]> git.openstreetmap.org Git - nominatim.git/blobdiff - lib/Geocode.php
reinstate key-value amenity search
[nominatim.git] / lib / Geocode.php
index b102c4b210ddd1b1eb7dd56a5a4d9f2f724feb4c..314d20bc88f0cf75e691a646ba8e472a99a7a8d3 100644 (file)
 <?php
-       require_once(CONST_BasePath.'/lib/PlaceLookup.php');
-       require_once(CONST_BasePath.'/lib/ReverseGeocode.php');
-
-       class Geocode
-       {
-               protected $oDB;
-
-               protected $aLangPrefOrder = array();
-
-               protected $bIncludeAddressDetails = false;
-               protected $bIncludeExtraTags = false;
-               protected $bIncludeNameDetails = false;
-
-               protected $bIncludePolygonAsPoints = false;
-               protected $bIncludePolygonAsText = false;
-               protected $bIncludePolygonAsGeoJSON = false;
-               protected $bIncludePolygonAsKML = false;
-               protected $bIncludePolygonAsSVG = false;
-               protected $fPolygonSimplificationThreshold = 0.0;
-
-               protected $aExcludePlaceIDs = array();
-               protected $bDeDupe = true;
-               protected $bReverseInPlan = false;
-
-               protected $iLimit = 20;
-               protected $iFinalLimit = 10;
-               protected $iOffset = 0;
-               protected $bFallback = false;
-
-               protected $aCountryCodes = false;
-               protected $aNearPoint = false;
-
-               protected $bBoundedSearch = false;
-               protected $aViewBox = false;
-               protected $sViewboxCentreSQL = false;
-               protected $sViewboxSmallSQL = false;
-               protected $sViewboxLargeSQL = false;
-
-               protected $iMaxRank = 20;
-               protected $iMinAddressRank = 0;
-               protected $iMaxAddressRank = 30;
-               protected $aAddressRankList = array();
-               protected $exactMatchCache = array();
-
-               protected $sAllowedTypesSQLList = false;
-
-               protected $sQuery = false;
-               protected $aStructuredQuery = false;
-
-               function Geocode(&$oDB)
-               {
-                       $this->oDB =& $oDB;
-               }
-
-               function setReverseInPlan($bReverse)
-               {
-                       $this->bReverseInPlan = $bReverse;
-               }
-
-               function setLanguagePreference($aLangPref)
-               {
-                       $this->aLangPrefOrder = $aLangPref;
-               }
-
-               function getIncludeAddressDetails()
-               {
-                       return $this->bIncludeAddressDetails;
-               }
-
-               function getIncludeExtraTags()
-               {
-                       return $this->bIncludeExtraTags;
-               }
-
-               function getIncludeNameDetails()
-               {
-                       return $this->bIncludeNameDetails;
-               }
-
-               function setIncludePolygonAsPoints($b = true)
-               {
-                       $this->bIncludePolygonAsPoints = $b;
-               }
-
-               function setIncludePolygonAsText($b = true)
-               {
-                       $this->bIncludePolygonAsText = $b;
-               }
-
-               function setIncludePolygonAsGeoJSON($b = true)
-               {
-                       $this->bIncludePolygonAsGeoJSON = $b;
-               }
-
-               function setIncludePolygonAsKML($b = true)
-               {
-                       $this->bIncludePolygonAsKML = $b;
-               }
-
-               function setIncludePolygonAsSVG($b = true)
-               {
-                       $this->bIncludePolygonAsSVG = $b;
-               }
-
-               function setPolygonSimplificationThreshold($f)
-               {
-                       $this->fPolygonSimplificationThreshold = $f;
-               }
-
-               function setLimit($iLimit = 10)
-               {
-                       if ($iLimit > 50) $iLimit = 50;
-                       if ($iLimit < 1) $iLimit = 1;
-
-                       $this->iFinalLimit = $iLimit;
-                       $this->iLimit = $iLimit + min($iLimit, 10);
-               }
-
-               function getExcludedPlaceIDs()
-               {
-                       return $this->aExcludePlaceIDs;
-               }
-
-               function getViewBoxString()
-               {
-                       if (!$this->aViewBox) return null;
-                       return $this->aViewBox[0].','.$this->aViewBox[3].','.$this->aViewBox[2].','.$this->aViewBox[1];
-               }
-
-               function setFeatureType($sFeatureType)
-               {
-                       switch($sFeatureType)
-                       {
-                       case 'country':
-                               $this->setRankRange(4, 4);
-                               break;
-                       case 'state':
-                               $this->setRankRange(8, 8);
-                               break;
-                       case 'city':
-                               $this->setRankRange(14, 16);
-                               break;
-                       case 'settlement':
-                               $this->setRankRange(8, 20);
-                               break;
-                       }
-               }
-
-               function setRankRange($iMin, $iMax)
-               {
-                       $this->iMinAddressRank = $iMin;
-                       $this->iMaxAddressRank = $iMax;
-               }
-
-               function setRoute($aRoutePoints, $fRouteWidth)
-               {
-                       $this->aViewBox = false;
-
-                       $this->sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
-                       $sSep = '';
-                       foreach($this->aRoutePoints as $aPoint)
-                       {
-                               $fPoint = (float)$aPoint;
-                               $this->sViewboxCentreSQL .= $sSep.$fPoint;
-                               $sSep = ($sSep == ' ') ? ',' : ' ';
-                       }
-                       $this->sViewboxCentreSQL .= ")'::geometry,4326)";
-
-                       $this->sViewboxSmallSQL = 'st_buffer('.$this->sViewboxCentreSQL;
-                       $this->sViewboxSmallSQL .= ','.($fRouteWidth/69).')';
-
-                       $this->sViewboxLargeSQL = 'st_buffer('.$this->sViewboxCentreSQL;
-                       $this->sViewboxLargeSQL .= ','.($fRouteWidth/30).')';
-               }
-
-               function setViewbox($aViewbox)
-               {
-                       $this->aViewBox = array_map('floatval', $aViewbox);
-
-                       $fHeight = $this->aViewBox[0] - $this->aViewBox[2];
-                       $fWidth = $this->aViewBox[1] - $this->aViewBox[3];
-                       $aBigViewBox[0] = $this->aViewBox[0] + $fHeight;
-                       $aBigViewBox[2] = $this->aViewBox[2] - $fHeight;
-                       $aBigViewBox[1] = $this->aViewBox[1] + $fWidth;
-                       $aBigViewBox[3] = $this->aViewBox[3] - $fWidth;
-
-                       $this->sViewboxCentreSQL = false;
-                       $this->sViewboxSmallSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".$this->aViewBox[0].",".$this->aViewBox[1]."),ST_Point(".$this->aViewBox[2].",".$this->aViewBox[3].")),4326)";
-                       $this->sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".$aBigViewBox[0].",".$aBigViewBox[1]."),ST_Point(".$aBigViewBox[2].",".$aBigViewBox[3].")),4326)";
-               }
-
-               function setNearPoint($aNearPoint, $fRadiusDeg = 0.1)
-               {
-                       $this->aNearPoint = array((float)$aNearPoint[0], (float)$aNearPoint[1], (float)$fRadiusDeg);
-               }
-
-               function setQuery($sQueryString)
-               {
-                       $this->sQuery = $sQueryString;
-                       $this->aStructuredQuery = false;
-               }
-
-               function getQueryString()
-               {
-                       return $this->sQuery;
-               }
-
-
-               function loadParamArray($oParams)
-               {
-                       $this->bIncludeAddressDetails = $oParams->getBool('addressdetails',
-                                                                         $this->bIncludeAddressDetails);
-                       $this->bIncludeExtraTags = $oParams->getBool('extratags',
-                                                                    $this->bIncludeExtraTags);
-                       $this->bIncludeNameDetails = $oParams->getBool('namedetails',
-                                                                      $this->bIncludeNameDetails);
-
-                       $this->bBoundedSearch = $oParams->getBool('bounded', $this->bBoundedSearch);
-                       $this->bDeDupe = $oParams->getBool('dedupe', $this->bDeDupe);
-
-                       $this->setLimit($oParams->getInt('limit', $this->iFinalLimit));
-                       $this->iOffset = $oParams->getInt('offset', $this->iOffset);
-
-                       $this->bFallback = $oParams->getBool('fallback', $this->bFallback);
-
-                       // List of excluded Place IDs - used for more acurate pageing
-                       $sExcluded = $oParams->getStringList('exclude_place_ids');
-                       if ($sExcluded)
-                       {
-                               foreach($sExcluded as $iExcludedPlaceID)
-                               {
-                                       $iExcludedPlaceID = (int)$iExcludedPlaceID;
-                                       if ($iExcludedPlaceID)
-                                               $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
-                               }
-
-                               if (isset($aExcludePlaceIDs))
-                                       $this->aExcludePlaceIDs = $aExcludePlaceIDs;
-                       }
-
-                       // Only certain ranks of feature
-                       $sFeatureType = $oParams->getString('featureType');
-                       if (!$sFeatureType) $sFeatureType = $oParams->getString('featuretype');
-                       if ($sFeatureType) $this->setFeatureType($sFeatureType);
-
-                       // Country code list
-                       $sCountries = $oParams->getStringList('countrycodes');
-                       if ($sCountries)
-                       {
-                               foreach($sCountries as $sCountryCode)
-                               {
-                                       if (preg_match('/^[a-zA-Z][a-zA-Z]$/', $sCountryCode))
-                                       {
-                                               $aCountries[] = strtolower($sCountryCode);
-                                       }
-                               }
-                               if (isset($aCountryCodes))
-                                       $this->aCountryCodes = $aCountries;
-                       }
-
-                       $aViewbox = $oParams->getStringList('viewboxlbrt');
-                       if ($aViewbox)
-                       {
-                               $this->setViewbox($aViewbox);
-                       }
-                       else
-                       {
-                               $aViewbox = $oParams->getStringList('viewbox');
-                               if ($aViewbox)
-                               {
-                                       $this->setViewBox(array($aViewbox[0], $aViewbox[3],
-                                                               $aViewbox[2], $aViewbox[1]));
-                               }
-                               else
-                               {
-                                       $aRoute = $oParams->getStringList('route');
-                                       $fRouteWidth = $oParams->getFloat('routewidth');
-                                       if ($aRoute && $fRouteWidth)
-                                       {
-                                               $this->setRoute($aRoute, $fRouteWidth);
-                                       }
-                               }
-                       }
-               }
-
-               function setQueryFromParams($oParams)
-               {
-                       // Search query
-                       $sQuery = $oParams->getString('q');
-                       if (!$sQuery)
-                       {
-                               $this->setStructuredQuery($oParams->getString('amenity'),
-                                                         $oParams->getString('street'),
-                                                         $oParams->getString('city'),
-                                                         $oParams->getString('county'),
-                                                         $oParams->getString('state'),
-                                                         $oParams->getString('country'),
-                                                         $oParams->getString('postalcode'));
-                               $this->setReverseInPlan(false);
-                       }
-                       else
-                       {
-                               $this->setQuery($sQuery);
-                       }
-               }
-
-               function loadStructuredAddressElement($sValue, $sKey, $iNewMinAddressRank, $iNewMaxAddressRank, $aItemListValues)
-               {
-                       $sValue = trim($sValue);
-                       if (!$sValue) return false;
-                       $this->aStructuredQuery[$sKey] = $sValue;
-                       if ($this->iMinAddressRank == 0 && $this->iMaxAddressRank == 30)
-                       {
-                               $this->iMinAddressRank = $iNewMinAddressRank;
-                               $this->iMaxAddressRank = $iNewMaxAddressRank;
-                       }
-                       if ($aItemListValues) $this->aAddressRankList = array_merge($this->aAddressRankList, $aItemListValues);
-                       return true;
-               }
-
-               function setStructuredQuery($sAmentiy = false, $sStreet = false, $sCity = false, $sCounty = false, $sState = false, $sCountry = false, $sPostalCode = false)
-               {
-                       $this->sQuery = false;
-
-                       // Reset
-                       $this->iMinAddressRank = 0;
-                       $this->iMaxAddressRank = 30;
-                       $this->aAddressRankList = array();
-
-                       $this->aStructuredQuery = array();
-                       $this->sAllowedTypesSQLList = '';
-
-                       $this->loadStructuredAddressElement($sAmentiy, 'amenity', 26, 30, false);
-                       $this->loadStructuredAddressElement($sStreet, 'street', 26, 30, false);
-                       $this->loadStructuredAddressElement($sCity, 'city', 14, 24, false);
-                       $this->loadStructuredAddressElement($sCounty, 'county', 9, 13, false);
-                       $this->loadStructuredAddressElement($sState, 'state', 8, 8, false);
-                       $this->loadStructuredAddressElement($sPostalCode, 'postalcode' , 5, 11, array(5, 11));
-                       $this->loadStructuredAddressElement($sCountry, 'country', 4, 4, false);
-
-                       if (sizeof($this->aStructuredQuery) > 0)
-                       {
-                               $this->sQuery = join(', ', $this->aStructuredQuery);
-                               if ($this->iMaxAddressRank < 30)
-                               {
-                                       $sAllowedTypesSQLList = '(\'place\',\'boundary\')';
-                               }
-                       }
-               }
-
-               function fallbackStructuredQuery()
-               {
-                       if (!$this->aStructuredQuery) return false;
-
-                       $aParams = $this->aStructuredQuery;
-
-                       if (sizeof($aParams) == 1) return false;
-
-                       $aOrderToFallback = array('postalcode', 'street', 'city', 'county', 'state');
-
-                       foreach($aOrderToFallback as $sType)
-                       {
-                               if (isset($aParams[$sType]))
-                               {
-                                       unset($aParams[$sType]);
-                                       $this->setStructuredQuery(@$aParams['amenity'], @$aParams['street'], @$aParams['city'], @$aParams['county'], @$aParams['state'], @$aParams['country'], @$aParams['postalcode']);
-                                       return true;
-                               }
-                       }
-
-                       return false;
-               }
-
-               function getDetails($aPlaceIDs)
-               {
-                       //$aPlaceIDs is an array with key: placeID and value: tiger-housenumber, if found, else -1
-                       if (sizeof($aPlaceIDs) == 0)  return array();
-
-                       $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$this->aLangPrefOrder))."]";
-
-                       // Get the details for display (is this a redundant extra step?)
-                       $sPlaceIDs = join(',', array_keys($aPlaceIDs));
-
-                       $sImportanceSQL = '';
-                       if ($this->sViewboxSmallSQL) $sImportanceSQL .= " case when ST_Contains($this->sViewboxSmallSQL, ST_Collect(centroid)) THEN 1 ELSE 0.75 END * ";
-                       if ($this->sViewboxLargeSQL) $sImportanceSQL .= " case when ST_Contains($this->sViewboxLargeSQL, ST_Collect(centroid)) THEN 1 ELSE 0.75 END * ";
-
-                       $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id, min(parent_place_id) as parent_place_id, calculated_country_code as country_code,";
-                       $sSQL .= "get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) as langaddress,";
-                       $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
-                       $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
-                       if ($this->bIncludeExtraTags) $sSQL .= "hstore_to_json(extratags)::text as extra,";
-                       if ($this->bIncludeNameDetails) $sSQL .= "hstore_to_json(name)::text as names,";
-                       $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
-                       $sSQL .= $sImportanceSQL."coalesce(importance,0.75-(rank_search::float/40)) as importance, ";
-                       $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(CASE WHEN placex.rank_search < 28 THEN placex.place_id ELSE placex.parent_place_id END) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
-                       $sSQL .= "(extratags->'place') as extra_place ";
-                       $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
-                       $sSQL .= "and (placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
-                       if (14 >= $this->iMinAddressRank && 14 <= $this->iMaxAddressRank) $sSQL .= " OR (extratags->'place') = 'city'";
-                       if ($this->aAddressRankList) $sSQL .= " OR placex.rank_address in (".join(',',$this->aAddressRankList).")";
-                       $sSQL .= ") ";
-                       if ($this->sAllowedTypesSQLList) $sSQL .= "and placex.class in $this->sAllowedTypesSQLList ";
-                       $sSQL .= "and linked_place_id is null ";
-                       $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,calculated_country_code,importance";
-                       if (!$this->bDeDupe) $sSQL .= ",place_id";
-                       $sSQL .= ",langaddress ";
-                       $sSQL .= ",placename ";
-                       $sSQL .= ",ref ";
-                       if ($this->bIncludeExtraTags) $sSQL .= ",extratags";
-                       if ($this->bIncludeNameDetails) $sSQL .= ",name";
-                       $sSQL .= ",extratags->'place' ";
-
-                       if (30 >= $this->iMinAddressRank && 30 <= $this->iMaxAddressRank)
-                       {
-                               //only Tiger housenumbers and interpolation lines need to be interpolated, because they are saved as lines 
-                               // with start- and endnumber, the common osm housenumbers are usually saved as points
-                               $sHousenumbers = "";
-                               $i = 0;
-                               $length = count($aPlaceIDs);
-                               foreach($aPlaceIDs as $placeID => $housenumber)
-                               {
-                                       $i++;
-                                       $sHousenumbers .= "(".$placeID.", ".$housenumber.")";
-                                       if($i<$length)
-                                               $sHousenumbers .= ", ";
-                               }
-                               if (CONST_Use_US_Tiger_Data)
-                               {
-                                       //Tiger search only if a housenumber was searched and if it was found (i.e. aPlaceIDs[placeID] = housenumber != -1) (realized through a join)
-                                       $sSQL .= " union";
-                                       $sSQL .= " select 'T' as osm_type, place_id as osm_id, 'place' as class, 'house' as type, null as admin_level, 30 as rank_search, 30 as rank_address, min(place_id) as place_id, min(parent_place_id) as parent_place_id, 'us' as country_code";
-                                       $sSQL .= ", get_address_by_language(place_id, housenumber_for_place, $sLanguagePrefArraySQL) as langaddress ";
-                                       $sSQL .= ", null as placename";
-                                       $sSQL .= ", null as ref";
-                                       if ($this->bIncludeExtraTags) $sSQL .= ", null as extra";
-                                       if ($this->bIncludeNameDetails) $sSQL .= ", null as names";
-                                       $sSQL .= ", avg(st_x(centroid)) as lon, avg(st_y(centroid)) as lat,";
-                                       $sSQL .= $sImportanceSQL."-1.15 as importance ";
-                                       $sSQL .= ", (select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(blub.parent_place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance ";
-                                       $sSQL .= ", null as extra_place ";
-                                       $sSQL .= " from (select place_id";
-                                       //interpolate the Tiger housenumbers here
-                                       $sSQL .= ", ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) as centroid, parent_place_id, housenumber_for_place";
-                                       $sSQL .= " from (location_property_tiger ";
-                                       $sSQL .= " join (values ".$sHousenumbers.") as housenumbers(place_id, housenumber_for_place) using(place_id)) ";
-                                       $sSQL .= " where housenumber_for_place>=0 and 30 between $this->iMinAddressRank and $this->iMaxAddressRank) as blub"; //postgres wants an alias here
-                                       $sSQL .= " group by place_id, housenumber_for_place"; //is this group by really needed?, place_id + housenumber (in combination) are unique
-                                       if (!$this->bDeDupe) $sSQL .= ", place_id ";
-                               }
-                               // osmline
-                               // interpolation line search only if a housenumber was searched and if it was found (i.e. aPlaceIDs[placeID] = housenumber != -1) (realized through a join)
-                               $sSQL .= " union ";
-                               $sSQL .= "select 'W' as osm_type, place_id as osm_id, 'place' as class, 'house' as type, null as admin_level, 30 as rank_search, 30 as rank_address, min(place_id) as place_id, min(parent_place_id) as parent_place_id, calculated_country_code as country_code, ";
-                               $sSQL .= "get_address_by_language(place_id, housenumber_for_place, $sLanguagePrefArraySQL) as langaddress, ";
-                               $sSQL .= "null as placename, ";
-                               $sSQL .= "null as ref, ";
-                               if ($this->bIncludeExtraTags) $sSQL .= "null as extra, ";
-                               if ($this->bIncludeNameDetails) $sSQL .= "null as names, ";
-                               $sSQL .= " avg(st_x(centroid)) as lon, avg(st_y(centroid)) as lat,";
-                               $sSQL .= $sImportanceSQL."-0.1 as importance, ";  // slightly smaller than the importance for normal houses with rank 30, which is 0
-                               $sSQL .= " (select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p";
-                               $sSQL .= " where s.place_id = min(blub.parent_place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance,";
-                               $sSQL .= " null as extra_place ";
-                               $sSQL .= " from (select place_id, calculated_country_code ";
-                               //interpolate the housenumbers here
-                               $sSQL .= ", CASE WHEN startnumber != endnumber THEN ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) ";
-                               $sSQL .= " ELSE ST_LineInterpolatePoint(linegeo, 0.5) END as centroid";
-                               $sSQL .= ", parent_place_id, housenumber_for_place ";
-                               $sSQL .= " from (location_property_osmline ";
-                               $sSQL .= " join (values ".$sHousenumbers.") as housenumbers(place_id, housenumber_for_place) using(place_id)) ";
-                               $sSQL .= " where housenumber_for_place>=0 and 30 between $this->iMinAddressRank and $this->iMaxAddressRank) as blub"; //postgres wants an alias here
-                               $sSQL .= " group by place_id, housenumber_for_place, calculated_country_code "; //is this group by really needed?, place_id + housenumber (in combination) are unique
-                               if (!$this->bDeDupe) $sSQL .= ", place_id ";
-
-                               if (CONST_Use_Aux_Location_data)
-                               {
-                                       $sSQL .= " union ";
-                                       $sSQL .= "select 'L' as osm_type, place_id as osm_id, 'place' as class, 'house' as type, null as admin_level, 0 as rank_search, 0 as rank_address, min(place_id) as place_id, min(parent_place_id) as parent_place_id, 'us' as country_code, ";
-                                       $sSQL .= "get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) as langaddress, ";
-                                       $sSQL .= "null as placename, ";
-                                       $sSQL .= "null as ref, ";
-                                       if ($this->bIncludeExtraTags) $sSQL .= "null as extra, ";
-                                       if ($this->bIncludeNameDetails) $sSQL .= "null as names, ";
-                                       $sSQL .= "avg(ST_X(centroid)) as lon, avg(ST_Y(centroid)) as lat, ";
-                                       $sSQL .= $sImportanceSQL."-1.10 as importance, ";
-                                       $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_aux.parent_place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
-                                       $sSQL .= "null as extra_place ";
-                                       $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
-                                       $sSQL .= "and 30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
-                                       $sSQL .= "group by place_id";
-                                       if (!$this->bDeDupe) $sSQL .= ", place_id";
-                                       $sSQL .= ", get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) ";
-                               }
-                       }
-
-                       $sSQL .= " order by importance desc";
-                       if (CONST_Debug) { echo "<hr>"; var_dump($sSQL); }
-                       $aSearchResults = chksql($this->oDB->getAll($sSQL),
-                                                "Could not get details for place.");
-
-                       return $aSearchResults;
-               }
-
-               function getGroupedSearches($aSearches, $aPhraseTypes, $aPhrases, $aValidTokens, $aWordFrequencyScores, $bStructuredPhrases)
-               {
-                       /*
-                                Calculate all searches using aValidTokens i.e.
-                                'Wodsworth Road, Sheffield' =>
-
-                                Phrase Wordset
-                                0      0       (wodsworth road)
-                                0      1       (wodsworth)(road)
-                                1      0       (sheffield)
-
-                                Score how good the search is so they can be ordered
-                        */
-                       foreach($aPhrases as $iPhrase => $sPhrase)
-                       {
-                               $aNewPhraseSearches = array();
-                               if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
-                               else $sPhraseType = '';
-
-                               foreach($aPhrases[$iPhrase]['wordsets'] as $iWordSet => $aWordset)
-                               {
-                                       // Too many permutations - too expensive
-                                       if ($iWordSet > 120) break;
-
-                                       $aWordsetSearches = $aSearches;
-
-                                       // Add all words from this wordset
-                                       foreach($aWordset as $iToken => $sToken)
-                                       {
-                                               //echo "<br><b>$sToken</b>";
-                                               $aNewWordsetSearches = array();
-
-                                               foreach($aWordsetSearches as $aCurrentSearch)
-                                               {
-                                                       //echo "<i>";
-                                                       //var_dump($aCurrentSearch);
-                                                       //echo "</i>";
-
-                                                       // If the token is valid
-                                                       if (isset($aValidTokens[' '.$sToken]))
-                                                       {
-                                                               foreach($aValidTokens[' '.$sToken] as $aSearchTerm)
-                                                               {
-                                                                       $aSearch = $aCurrentSearch;
-                                                                       $aSearch['iSearchRank']++;
-                                                                       if (($sPhraseType == '' || $sPhraseType == 'country') && !empty($aSearchTerm['country_code']) && $aSearchTerm['country_code'] != '0')
-                                                                       {
-                                                                               if ($aSearch['sCountryCode'] === false)
-                                                                               {
-                                                                                       $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
-                                                                                       // Country is almost always at the end of the string - increase score for finding it anywhere else (optimisation)
-                                                                                       if (($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases)))
-                                                                                       {
-                                                                                               $aSearch['iSearchRank'] += 5;
-                                                                                       }
-                                                                                       if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                               }
-                                                                       }
-                                                                       elseif (isset($aSearchTerm['lat']) && $aSearchTerm['lat'] !== '' && $aSearchTerm['lat'] !== null)
-                                                                       {
-                                                                               if ($aSearch['fLat'] === '')
-                                                                               {
-                                                                                       $aSearch['fLat'] = $aSearchTerm['lat'];
-                                                                                       $aSearch['fLon'] = $aSearchTerm['lon'];
-                                                                                       $aSearch['fRadius'] = $aSearchTerm['radius'];
-                                                                                       if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                               }
-                                                                       }
-                                                                       elseif ($sPhraseType == 'postalcode')
-                                                                       {
-                                                                               // We need to try the case where the postal code is the primary element (i.e. no way to tell if it is (postalcode, city) OR (city, postalcode) so try both
-                                                                               if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
-                                                                               {
-                                                                                       // If we already have a name try putting the postcode first
-                                                                                       if (sizeof($aSearch['aName']))
-                                                                                       {
-                                                                                               $aNewSearch = $aSearch;
-                                                                                               $aNewSearch['aAddress'] = array_merge($aNewSearch['aAddress'], $aNewSearch['aName']);
-                                                                                               $aNewSearch['aName'] = array();
-                                                                                               $aNewSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                                               if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aNewSearch;
-                                                                                       }
-
-                                                                                       if (sizeof($aSearch['aName']))
-                                                                                       {
-                                                                                               if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strpos($sToken, ' ') !== false))
-                                                                                               {
-                                                                                                       $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                                               }
-                                                                                               else
-                                                                                               {
-                                                                                                       $aCurrentSearch['aFullNameAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                                                       $aSearch['iSearchRank'] += 1000; // skip;
-                                                                                               }
-                                                                                       }
-                                                                                       else
-                                                                                       {
-                                                                                               $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                                               //$aSearch['iNamePhrase'] = $iPhrase;
-                                                                                       }
-                                                                                       if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                               }
-
-                                                                       }
-                                                                       elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
-                                                                       {
-                                                                               if ($aSearch['sHouseNumber'] === '')
-                                                                               {
-                                                                                       $aSearch['sHouseNumber'] = $sToken;
-                                                                                       // sanity check: if the housenumber is not mainly made
-                                                                                       // up of numbers, add a penalty
-                                                                                       if (preg_match_all("/[^0-9]/", $sToken, $aMatches) > 2) $aSearch['iSearchRank']++;
-                                                                                       // also housenumbers should appear in the first or second phrase
-                                                                                       if ($iPhrase > 1) $aSearch['iSearchRank'] += 1;
-                                                                                       if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                                       /*
-                                                                                       // Fall back to not searching for this item (better than nothing)
-                                                                                       $aSearch = $aCurrentSearch;
-                                                                                       $aSearch['iSearchRank'] += 1;
-                                                                                       if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                                        */
-                                                                               }
-                                                                       }
-                                                                       elseif ($sPhraseType == '' && $aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
-                                                                       {
-                                                                               if ($aSearch['sClass'] === '')
-                                                                               {
-                                                                                       $aSearch['sOperator'] = $aSearchTerm['operator'];
-                                                                                       $aSearch['sClass'] = $aSearchTerm['class'];
-                                                                                       $aSearch['sType'] = $aSearchTerm['type'];
-                                                                                       if (sizeof($aSearch['aName'])) $aSearch['sOperator'] = 'name';
-                                                                                       else $aSearch['sOperator'] = 'near'; // near = in for the moment
-                                                                                       if (strlen($aSearchTerm['operator']) == 0) $aSearch['iSearchRank'] += 1;
-
-                                                                                       if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                               }
-                                                                       }
-                                                                       elseif (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
-                                                                       {
-                                                                               if (sizeof($aSearch['aName']))
-                                                                               {
-                                                                                       if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strpos($sToken, ' ') !== false))
-                                                                                       {
-                                                                                               $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                                       }
-                                                                                       else
-                                                                                       {
-                                                                                               $aCurrentSearch['aFullNameAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                                               $aSearch['iSearchRank'] += 1000; // skip;
-                                                                                       }
-                                                                               }
-                                                                               else
-                                                                               {
-                                                                                       $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                                       //$aSearch['iNamePhrase'] = $iPhrase;
-                                                                               }
-                                                                               if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                       }
-                                                               }
-                                                       }
-                                                       // Look for partial matches.
-                                                       // Note that there is no point in adding country terms here
-                                                       // because country are omitted in the address.
-                                                       if (isset($aValidTokens[$sToken]) && $sPhraseType != 'country')
-                                                       {
-                                                               // Allow searching for a word - but at extra cost
-                                                               foreach($aValidTokens[$sToken] as $aSearchTerm)
-                                                               {
-                                                                       if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
-                                                                       {
-                                                                               if ((!$bStructuredPhrases || $iPhrase > 0) && sizeof($aCurrentSearch['aName']) && strpos($sToken, ' ') === false)
-                                                                               {
-                                                                                       $aSearch = $aCurrentSearch;
-                                                                                       $aSearch['iSearchRank'] += 1;
-                                                                                       if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
-                                                                                       {
-                                                                                               $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                                               if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                                       }
-                                                                                       elseif (isset($aValidTokens[' '.$sToken])) // revert to the token version?
-                                                                                       {
-                                                                                               $aSearch['aAddressNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                                               $aSearch['iSearchRank'] += 1;
-                                                                                               if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                                               foreach($aValidTokens[' '.$sToken] as $aSearchTermToken)
-                                                                                               {
-                                                                                                       if (empty($aSearchTermToken['country_code'])
-                                                                                                                       && empty($aSearchTermToken['lat'])
-                                                                                                                       && empty($aSearchTermToken['class']))
-                                                                                                       {
-                                                                                                               $aSearch = $aCurrentSearch;
-                                                                                                               $aSearch['iSearchRank'] += 1;
-                                                                                                               $aSearch['aAddress'][$aSearchTermToken['word_id']] = $aSearchTermToken['word_id'];
-                                                                                                               if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                                                       }
-                                                                                               }
-                                                                                       }
-                                                                                       else
-                                                                                       {
-                                                                                               $aSearch['aAddressNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                                               if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
-                                                                                               if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                                       }
-                                                                               }
-
-                                                                               if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
-                                                                               {
-                                                                                       $aSearch = $aCurrentSearch;
-                                                                                       $aSearch['iSearchRank'] += 1;
-                                                                                       if (!sizeof($aCurrentSearch['aName'])) $aSearch['iSearchRank'] += 1;
-                                                                                       if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
-                                                                                       if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
-                                                                                               $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                                       else
-                                                                                               $aSearch['aNameNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                                       $aSearch['iNamePhrase'] = $iPhrase;
-                                                                                       if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                               }
-                                                                       }
-                                                               }
-                                                       }
-                                                       else
-                                                       {
-                                                               // Allow skipping a word - but at EXTREAM cost
-                                                               //$aSearch = $aCurrentSearch;
-                                                               //$aSearch['iSearchRank']+=100;
-                                                               //$aNewWordsetSearches[] = $aSearch;
-                                                       }
-                                               }
-                                               // Sort and cut
-                                               usort($aNewWordsetSearches, 'bySearchRank');
-                                               $aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
-                                       }
-                                       //var_Dump('<hr>',sizeof($aWordsetSearches)); exit;
-
-                                       $aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
-                                       usort($aNewPhraseSearches, 'bySearchRank');
-
-                                       $aSearchHash = array();
-                                       foreach($aNewPhraseSearches as $iSearch => $aSearch)
-                                       {
-                                               $sHash = serialize($aSearch);
-                                               if (isset($aSearchHash[$sHash])) unset($aNewPhraseSearches[$iSearch]);
-                                               else $aSearchHash[$sHash] = 1;
-                                       }
-
-                                       $aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
-                               }
-
-                               // Re-group the searches by their score, junk anything over 20 as just not worth trying
-                               $aGroupedSearches = array();
-                               foreach($aNewPhraseSearches as $aSearch)
-                               {
-                                       if ($aSearch['iSearchRank'] < $this->iMaxRank)
-                                       {
-                                               if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
-                                               $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
-                                       }
-                               }
-                               ksort($aGroupedSearches);
-
-                               $iSearchCount = 0;
-                               $aSearches = array();
-                               foreach($aGroupedSearches as $iScore => $aNewSearches)
-                               {
-                                       $iSearchCount += sizeof($aNewSearches);
-                                       $aSearches = array_merge($aSearches, $aNewSearches);
-                                       if ($iSearchCount > 50) break;
-                               }
-
-                               //if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
-
-                       }
-                       return $aGroupedSearches;
-
-               }
-
-               /* Perform the actual query lookup.
-
-                       Returns an ordered list of results, each with the following fields:
-                               osm_type: type of corresponding OSM object
-                                                       N - node
-                                                       W - way
-                                                       R - relation
-                                                       P - postcode (internally computed)
-                               osm_id: id of corresponding OSM object
-                               class: general object class (corresponds to tag key of primary OSM tag)
-                               type: subclass of object (corresponds to tag value of primary OSM tag)
-                               admin_level: see http://wiki.openstreetmap.org/wiki/Admin_level
-                               rank_search: rank in search hierarchy
-                                                       (see also http://wiki.openstreetmap.org/wiki/Nominatim/Development_overview#Country_to_street_level)
-                               rank_address: rank in address hierarchy (determines orer in address)
-                               place_id: internal key (may differ between different instances)
-                               country_code: ISO country code
-                               langaddress: localized full address
-                               placename: localized name of object
-                               ref: content of ref tag (if available)
-                               lon: longitude
-                               lat: latitude
-                               importance: importance of place based on Wikipedia link count
-                               addressimportance: cumulated importance of address elements
-                               extra_place: type of place (for admin boundaries, if there is a place tag)
-                               aBoundingBox: bounding Box
-                               label: short description of the object class/type (English only)
-                               name: full name (currently the same as langaddress)
-                               foundorder: secondary ordering for places with same importance
-               */
-               function lookup()
-               {
-                       if (!$this->sQuery && !$this->aStructuredQuery) return false;
-
-                       $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$this->aLangPrefOrder))."]";
-                       $sCountryCodesSQL = false;
-                       if ($this->aCountryCodes)
-                       {
-                               $sCountryCodesSQL = join(',', array_map('addQuotes', $this->aCountryCodes));
-                       }
-
-                       $sQuery = $this->sQuery;
-
-                       // Conflicts between US state abreviations and various words for 'the' in different languages
-                       if (isset($this->aLangPrefOrder['name:en']))
-                       {
-                               $sQuery = preg_replace('/(^|,)\s*il\s*(,|$)/','\1illinois\2', $sQuery);
-                               $sQuery = preg_replace('/(^|,)\s*al\s*(,|$)/','\1alabama\2', $sQuery);
-                               $sQuery = preg_replace('/(^|,)\s*la\s*(,|$)/','\1louisiana\2', $sQuery);
-                       }
-
-                       $bBoundingBoxSearch = $this->bBoundedSearch && $this->sViewboxSmallSQL;
-                       if ($this->sViewboxCentreSQL)
-                       {
-                               // For complex viewboxes (routes) precompute the bounding geometry
-                               $sGeom = chksql($this->oDB->getOne("select ".$this->sViewboxSmallSQL),
-                                               "Could not get small viewbox");
-                               $this->sViewboxSmallSQL = "'".$sGeom."'::geometry";
-
-                               $sGeom = chksql($this->oDB->getOne("select ".$this->sViewboxLargeSQL),
-                                               "Could not get large viewbox");
-                               $this->sViewboxLargeSQL = "'".$sGeom."'::geometry";
-                       }
-
-                       // Do we have anything that looks like a lat/lon pair?
-                       if ( $aLooksLike = looksLikeLatLonPair($sQuery) )
-                       {
-                               $this->setNearPoint(array($aLooksLike['lat'], $aLooksLike['lon']));
-                               $sQuery = $aLooksLike['query'];
-                       }
-
-                       $aSearchResults = array();
-                       if ($sQuery || $this->aStructuredQuery)
-                       {
-                               // Start with a blank search
-                               $aSearches = array(
-                                       array('iSearchRank' => 0,
-                                                               'iNamePhrase' => -1,
-                                                               'sCountryCode' => false,
-                                                               'aName' => array(),
-                                                               'aAddress' => array(),
-                                                               'aFullNameAddress' => array(),
-                                                               'aNameNonSearch' => array(),
-                                                               'aAddressNonSearch' => array(),
-                                                               'sOperator' => '',
-                                                               'aFeatureName' => array(),
-                                                               'sClass' => '',
-                                                               'sType' => '',
-                                                               'sHouseNumber' => '',
-                                                               'fLat' => '',
-                                                               'fLon' => '',
-                                                               'fRadius' => ''
-                                                       )
-                               );
-
-                               // Do we have a radius search?
-                               $sNearPointSQL = false;
-                               if ($this->aNearPoint)
-                               {
-                                       $sNearPointSQL = "ST_SetSRID(ST_Point(".(float)$this->aNearPoint[1].",".(float)$this->aNearPoint[0]."),4326)";
-                                       $aSearches[0]['fLat'] = (float)$this->aNearPoint[0];
-                                       $aSearches[0]['fLon'] = (float)$this->aNearPoint[1];
-                                       $aSearches[0]['fRadius'] = (float)$this->aNearPoint[2];
-                               }
-
-                               // Any 'special' terms in the search?
-                               $bSpecialTerms = false;
-                               preg_match_all('/\\[(.*)=(.*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
-                               $aSpecialTerms = array();
-                               foreach($aSpecialTermsRaw as $aSpecialTerm)
-                               {
-                                       $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
-                                       $aSpecialTerms[strtolower($aSpecialTerm[1])] = $aSpecialTerm[2];
-                               }
-
-                               preg_match_all('/\\[([\\w ]*)\\]/u', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
-                               $aSpecialTerms = array();
-                               if (isset($this->aStructuredQuery['amenity']) && $this->aStructuredQuery['amenity'])
-                               {
-                                       $aSpecialTermsRaw[] = array('['.$this->aStructuredQuery['amenity'].']', $this->aStructuredQuery['amenity']);
-                                       unset($this->aStructuredQuery['amenity']);
-                               }
-                               foreach($aSpecialTermsRaw as $aSpecialTerm)
-                               {
-                                       $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
-                                       $sToken = chksql($this->oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string"));
-                                       $sSQL = 'select * from (select word_id,word_token, word, class, type, country_code, operator';
-                                       $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\')) or country_code is not null';
-                                       if (CONST_Debug) var_Dump($sSQL);
-                                       $aSearchWords = chksql($this->oDB->getAll($sSQL));
-                                       $aNewSearches = array();
-                                       foreach($aSearches as $aSearch)
-                                       {
-                                               foreach($aSearchWords as $aSearchTerm)
-                                               {
-                                                       $aNewSearch = $aSearch;
-                                                       if ($aSearchTerm['country_code'])
-                                                       {
-                                                               $aNewSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
-                                                               $aNewSearches[] = $aNewSearch;
-                                                               $bSpecialTerms = true;
-                                                       }
-                                                       if ($aSearchTerm['class'])
-                                                       {
-                                                               $aNewSearch['sClass'] = $aSearchTerm['class'];
-                                                               $aNewSearch['sType'] = $aSearchTerm['type'];
-                                                               $aNewSearches[] = $aNewSearch;
-                                                               $bSpecialTerms = true;
-                                                       }
-                                               }
-                                       }
-                                       $aSearches = $aNewSearches;
-                               }
-
-                               // Split query into phrases
-                               // Commas are used to reduce the search space by indicating where phrases split
-                               if ($this->aStructuredQuery)
-                               {
-                                       $aPhrases = $this->aStructuredQuery;
-                                       $bStructuredPhrases = true;
-                               }
-                               else
-                               {
-                                       $aPhrases = explode(',',$sQuery);
-                                       $bStructuredPhrases = false;
-                               }
-
-                               // Convert each phrase to standard form
-                               // Create a list of standard words
-                               // Get all 'sets' of words
-                               // Generate a complete list of all
-                               $aTokens = array();
-                               foreach($aPhrases as $iPhrase => $sPhrase)
-                               {
-                                       $aPhrase = chksql($this->oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string"),
-                                                         "Cannot nomralize query string (is it an UTF-8 string?)");
-                                       if (trim($aPhrase['string']))
-                                       {
-                                               $aPhrases[$iPhrase] = $aPhrase;
-                                               $aPhrases[$iPhrase]['words'] = explode(' ',$aPhrases[$iPhrase]['string']);
-                                               $aPhrases[$iPhrase]['wordsets'] = getWordSets($aPhrases[$iPhrase]['words'], 0);
-                                               $aTokens = array_merge($aTokens, getTokensFromSets($aPhrases[$iPhrase]['wordsets']));
-                                       }
-                                       else
-                                       {
-                                               unset($aPhrases[$iPhrase]);
-                                       }
-                               }
-
-                               // Reindex phrases - we make assumptions later on that they are numerically keyed in order
-                               $aPhraseTypes = array_keys($aPhrases);
-                               $aPhrases = array_values($aPhrases);
-
-                               if (sizeof($aTokens))
-                               {
-                                       // Check which tokens we have, get the ID numbers
-                                       $sSQL = 'select word_id,word_token, word, class, type, country_code, operator, search_name_count';
-                                       $sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
-
-                                       if (CONST_Debug) var_Dump($sSQL);
-
-                                       $aValidTokens = array();
-                                       if (sizeof($aTokens))
-                                       {
-                                               $aDatabaseWords = chksql($this->oDB->getAll($sSQL),
-                                                                        "Could not get word tokens.");
-                                       }
-                                       else
-                                       {
-                                               $aDatabaseWords = array();
-                                       }
-                                       $aPossibleMainWordIDs = array();
-                                       $aWordFrequencyScores = array();
-                                       foreach($aDatabaseWords as $aToken)
-                                       {
-                                               // Very special case - require 2 letter country param to match the country code found
-                                               if ($bStructuredPhrases && $aToken['country_code'] && !empty($this->aStructuredQuery['country'])
-                                                               && strlen($this->aStructuredQuery['country']) == 2 && strtolower($this->aStructuredQuery['country']) != $aToken['country_code'])
-                                               {
-                                                       continue;
-                                               }
-
-                                               if (isset($aValidTokens[$aToken['word_token']]))
-                                               {
-                                                       $aValidTokens[$aToken['word_token']][] = $aToken;
-                                               }
-                                               else
-                                               {
-                                                       $aValidTokens[$aToken['word_token']] = array($aToken);
-                                               }
-                                               if (!$aToken['class'] && !$aToken['country_code']) $aPossibleMainWordIDs[$aToken['word_id']] = 1;
-                                               $aWordFrequencyScores[$aToken['word_id']] = $aToken['search_name_count'] + 1;
-                                       }
-                                       if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
-
-                                       // Try and calculate GB postcodes we might be missing
-                                       foreach($aTokens as $sToken)
-                                       {
-                                               // Source of gb postcodes is now definitive - always use
-                                               if (preg_match('/^([A-Z][A-Z]?[0-9][0-9A-Z]? ?[0-9])([A-Z][A-Z])$/', strtoupper(trim($sToken)), $aData))
-                                               {
-                                                       if (substr($aData[1],-2,1) != ' ')
-                                                       {
-                                                               $aData[0] = substr($aData[0],0,strlen($aData[1])-1).' '.substr($aData[0],strlen($aData[1])-1);
-                                                               $aData[1] = substr($aData[1],0,-1).' '.substr($aData[1],-1,1);
-                                                       }
-                                                       $aGBPostcodeLocation = gbPostcodeCalculate($aData[0], $aData[1], $aData[2], $this->oDB);
-                                                       if ($aGBPostcodeLocation)
-                                                       {
-                                                               $aValidTokens[$sToken] = $aGBPostcodeLocation;
-                                                       }
-                                               }
-                                               // US ZIP+4 codes - if there is no token,
-                                               //      merge in the 5-digit ZIP code
-                                               else if (!isset($aValidTokens[$sToken]) && preg_match('/^([0-9]{5}) [0-9]{4}$/', $sToken, $aData))
-                                               {
-                                                       if (isset($aValidTokens[$aData[1]]))
-                                                       {
-                                                               foreach($aValidTokens[$aData[1]] as $aToken)
-                                                               {
-                                                                       if (!$aToken['class'])
-                                                                       {
-                                                                               if (isset($aValidTokens[$sToken]))
-                                                                               {
-                                                                                       $aValidTokens[$sToken][] = $aToken;
-                                                                               }
-                                                                               else
-                                                                               {
-                                                                                       $aValidTokens[$sToken] = array($aToken);
-                                                                               }
-                                                                       }
-                                                               }
-                                                       }
-                                               }
-                                       }
-
-                                       foreach($aTokens as $sToken)
-                                       {
-                                               // Unknown single word token with a number - assume it is a house number
-                                               if (!isset($aValidTokens[' '.$sToken]) && strpos($sToken,' ') === false && preg_match('/[0-9]/', $sToken))
-                                               {
-                                                       $aValidTokens[' '.$sToken] = array(array('class'=>'place','type'=>'house'));
-                                               }
-                                       }
-
-                                       // Any words that have failed completely?
-                                       // TODO: suggestions
-
-                                       // Start the search process
-                                       // array with: placeid => -1 | tiger-housenumber
-                                       $aResultPlaceIDs = array();
-
-                                       $aGroupedSearches = $this->getGroupedSearches($aSearches, $aPhraseTypes, $aPhrases, $aValidTokens, $aWordFrequencyScores, $bStructuredPhrases);
-
-                                       if ($this->bReverseInPlan)
-                                       {
-                                               // Reverse phrase array and also reverse the order of the wordsets in
-                                               // the first and final phrase. Don't bother about phrases in the middle
-                                               // because order in the address doesn't matter.
-                                               $aPhrases = array_reverse($aPhrases);
-                                               $aPhrases[0]['wordsets'] = getInverseWordSets($aPhrases[0]['words'], 0);
-                                               if (sizeof($aPhrases) > 1)
-                                               {
-                                                       $aFinalPhrase = end($aPhrases);
-                                                       $aPhrases[sizeof($aPhrases)-1]['wordsets'] = getInverseWordSets($aFinalPhrase['words'], 0);
-                                               }
-                                               $aReverseGroupedSearches = $this->getGroupedSearches($aSearches, null, $aPhrases, $aValidTokens, $aWordFrequencyScores, false);
-
-                                               foreach($aGroupedSearches as $aSearches)
-                                               {
-                                                       foreach($aSearches as $aSearch)
-                                                       {
-                                                               if ($aSearch['iSearchRank'] < $this->iMaxRank)
-                                                               {
-                                                                       if (!isset($aReverseGroupedSearches[$aSearch['iSearchRank']])) $aReverseGroupedSearches[$aSearch['iSearchRank']] = array();
-                                                                       $aReverseGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
-                                                               }
-
-                                                       }
-                                               }
-
-                                               $aGroupedSearches = $aReverseGroupedSearches;
-                                               ksort($aGroupedSearches);
-                                       }
-                               }
-                               else
-                               {
-                                       // Re-group the searches by their score, junk anything over 20 as just not worth trying
-                                       $aGroupedSearches = array();
-                                       foreach($aSearches as $aSearch)
-                                       {
-                                               if ($aSearch['iSearchRank'] < $this->iMaxRank)
-                                               {
-                                                       if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
-                                                       $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
-                                               }
-                                       }
-                                       ksort($aGroupedSearches);
-                               }
-
-                               if (CONST_Debug) var_Dump($aGroupedSearches);
-
-                               if (CONST_Search_TryDroppedAddressTerms && sizeof($this->aStructuredQuery) > 0)
-                               {
-                                       $aCopyGroupedSearches = $aGroupedSearches;
-                                       foreach($aCopyGroupedSearches as $iGroup => $aSearches)
-                                       {
-                                               foreach($aSearches as $iSearch => $aSearch)
-                                               {
-                                                       $aReductionsList = array($aSearch['aAddress']);
-                                                       $iSearchRank = $aSearch['iSearchRank'];
-                                                       while(sizeof($aReductionsList) > 0)
-                                                       {
-                                                               $iSearchRank += 5;
-                                                               if ($iSearchRank > iMaxRank) break 3;
-                                                               $aNewReductionsList = array();
-                                                               foreach($aReductionsList as $aReductionsWordList)
-                                                               {
-                                                                       for ($iReductionWord = 0; $iReductionWord < sizeof($aReductionsWordList); $iReductionWord++)
-                                                                       {
-                                                                               $aReductionsWordListResult = array_merge(array_slice($aReductionsWordList, 0, $iReductionWord), array_slice($aReductionsWordList, $iReductionWord+1));
-                                                                               $aReverseSearch = $aSearch;
-                                                                               $aSearch['aAddress'] = $aReductionsWordListResult;
-                                                                               $aSearch['iSearchRank'] = $iSearchRank;
-                                                                               $aGroupedSearches[$iSearchRank][] = $aReverseSearch;
-                                                                               if (sizeof($aReductionsWordListResult) > 0)
-                                                                               {
-                                                                                       $aNewReductionsList[] = $aReductionsWordListResult;
-                                                                               }
-                                                                       }
-                                                               }
-                                                               $aReductionsList = $aNewReductionsList;
-                                                       }
-                                               }
-                                       }
-                                       ksort($aGroupedSearches);
-                               }
-
-                               // Filter out duplicate searches
-                               $aSearchHash = array();
-                               foreach($aGroupedSearches as $iGroup => $aSearches)
-                               {
-                                       foreach($aSearches as $iSearch => $aSearch)
-                                       {
-                                               $sHash = serialize($aSearch);
-                                               if (isset($aSearchHash[$sHash]))
-                                               {
-                                                       unset($aGroupedSearches[$iGroup][$iSearch]);
-                                                       if (sizeof($aGroupedSearches[$iGroup]) == 0) unset($aGroupedSearches[$iGroup]);
-                                               }
-                                               else
-                                               {
-                                                       $aSearchHash[$sHash] = 1;
-                                               }
-                                       }
-                               }
-
-                               if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
-
-                               $iGroupLoop = 0;
-                               $iQueryLoop = 0;
-                               foreach($aGroupedSearches as $iGroupedRank => $aSearches)
-                               {
-                                       $iGroupLoop++;
-                                       foreach($aSearches as $aSearch)
-                                       {
-                                               $iQueryLoop++;
-                                               $searchedHousenumber = -1;
-
-                                               if (CONST_Debug) { echo "<hr><b>Search Loop, group $iGroupLoop, loop $iQueryLoop</b>"; }
-                                               if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
-
-                                               // No location term?
-                                               if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['fLon'])
-                                               {
-                                                       if ($aSearch['sCountryCode'] && !$aSearch['sClass'] && !$aSearch['sHouseNumber'])
-                                                       {
-                                                               // Just looking for a country by code - look it up
-                                                               if (4 >= $this->iMinAddressRank && 4 <= $this->iMaxAddressRank)
-                                                               {
-                                                                       $sSQL = "select place_id from placex where calculated_country_code='".$aSearch['sCountryCode']."' and rank_search = 4";
-                                                                       if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
-                                                                       if ($bBoundingBoxSearch)
-                                                                               $sSQL .= " and _st_intersects($this->sViewboxSmallSQL, geometry)";
-                                                                       $sSQL .= " order by st_area(geometry) desc limit 1";
-                                                                       if (CONST_Debug) var_dump($sSQL);
-                                                                       $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
-                                                               }
-                                                               else
-                                                               {
-                                                                       $aPlaceIDs = array();
-                                                               }
-                                                       }
-                                                       else
-                                                       {
-                                                               if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
-                                                               if (!$aSearch['sClass']) continue;
-                                                               $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
-                                                               if (chksql($this->oDB->getOne($sSQL)))
-                                                               {
-                                                                       $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
-                                                                       if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
-                                                                       $sSQL .= " where st_contains($this->sViewboxSmallSQL, ct.centroid)";
-                                                                       if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
-                                                                       if (sizeof($this->aExcludePlaceIDs))
-                                                                       {
-                                                                               $sSQL .= " and place_id not in (".join(',',$this->aExcludePlaceIDs).")";
-                                                                       }
-                                                                       if ($this->sViewboxCentreSQL) $sSQL .= " order by st_distance($this->sViewboxCentreSQL, ct.centroid) asc";
-                                                                       $sSQL .= " limit $this->iLimit";
-                                                                       if (CONST_Debug) var_dump($sSQL);
-                                                                       $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
-
-                                                                       // If excluded place IDs are given, it is fair to assume that
-                                                                       // there have been results in the small box, so no further
-                                                                       // expansion in that case.
-                                                                       // Also don't expand if bounded results were requested.
-                                                                       if (!sizeof($aPlaceIDs) && !sizeof($this->aExcludePlaceIDs) && !$this->bBoundedSearch)
-                                                                       {
-                                                                               $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
-                                                                               if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
-                                                                               $sSQL .= " where st_contains($this->sViewboxLargeSQL, ct.centroid)";
-                                                                               if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
-                                                                               if ($this->sViewboxCentreSQL) $sSQL .= " order by st_distance($this->sViewboxCentreSQL, ct.centroid) asc";
-                                                                               $sSQL .= " limit $this->iLimit";
-                                                                               if (CONST_Debug) var_dump($sSQL);
-                                                                               $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
-                                                                       }
-                                                               }
-                                                               else
-                                                               {
-                                                                       $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
-                                                                       $sSQL .= " and st_contains($this->sViewboxSmallSQL, geometry) and linked_place_id is null";
-                                                                       if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
-                                                                       if ($this->sViewboxCentreSQL)   $sSQL .= " order by st_distance($this->sViewboxCentreSQL, centroid) asc";
-                                                                       $sSQL .= " limit $this->iLimit";
-                                                                       if (CONST_Debug) var_dump($sSQL);
-                                                                       $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
-                                                               }
-                                                       }
-                                               }
-                                               // If a coordinate is given, the search must either
-                                               // be for a name or a special search. Ignore everythin else.
-                                               else if ($aSearch['fLon'] && !sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['sClass'])
-                                               {
-                                                       $aPlaceIDs = array();
-                                               }
-                                               else
-                                               {
-                                                       $aPlaceIDs = array();
-
-                                                       // First we need a position, either aName or fLat or both
-                                                       $aTerms = array();
-                                                       $aOrder = array();
-
-                                                       if ($aSearch['sHouseNumber'] && sizeof($aSearch['aAddress']))
-                                                       {
-                                                               $sHouseNumberRegex = '\\\\m'.$aSearch['sHouseNumber'].'\\\\M';
-                                $aOrder[] = "";
-                                                               $aOrder[0] = " (exists(select place_id from placex where parent_place_id = search_name.place_id";
-                                $aOrder[0] .= " and transliteration(housenumber) ~* E'".$sHouseNumberRegex."' limit 1) ";
-                                                               // also housenumbers from interpolation lines table are needed
-                                                               $aOrder[0] .= " or exists(select place_id from location_property_osmline where parent_place_id = search_name.place_id";
-                                $aOrder[0] .= " and ".intval($aSearch['sHouseNumber']).">=startnumber and ".intval($aSearch['sHouseNumber'])."<=endnumber limit 1))";
-                                                               $aOrder[0] .= " desc";
-                                                       }
-
-                                                       // TODO: filter out the pointless search terms (2 letter name tokens and less)
-                                                       // they might be right - but they are just too darned expensive to run
-                                                       if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";
-                                                       if (sizeof($aSearch['aNameNonSearch'])) $aTerms[] = "array_cat(name_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aNameNonSearch'],",")."]";
-                                                       if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress'])
-                                                       {
-                                                               // For infrequent name terms disable index usage for address
-                                                               if (CONST_Search_NameOnlySearchFrequencyThreshold &&
-                                                                               sizeof($aSearch['aName']) == 1 &&
-                                                                               $aWordFrequencyScores[$aSearch['aName'][reset($aSearch['aName'])]] < CONST_Search_NameOnlySearchFrequencyThreshold)
-                                                               {
-                                                                       $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join(array_merge($aSearch['aAddress'],$aSearch['aAddressNonSearch']),",")."]";
-                                                               }
-                                                               else
-                                                               {
-                                                                       $aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'],",")."]";
-                                                                       if (sizeof($aSearch['aAddressNonSearch'])) $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aAddressNonSearch'],",")."]";
-                                                               }
-                                                       }
-                                                       if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
-                                                       if ($aSearch['sHouseNumber'])
-                                                       {
-                                                               $aTerms[] = "address_rank between 16 and 27";
-                                                       }
-                                                       else
-                                                       {
-                                                               if ($this->iMinAddressRank > 0)
-                                                               {
-                                                                       $aTerms[] = "address_rank >= ".$this->iMinAddressRank;
-                                                               }
-                                                               if ($this->iMaxAddressRank < 30)
-                                                               {
-                                                                       $aTerms[] = "address_rank <= ".$this->iMaxAddressRank;
-                                                               }
-                                                       }
-                                                       if ($aSearch['fLon'] && $aSearch['fLat'])
-                                                       {
-                                                               $aTerms[] = "ST_DWithin(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326), ".$aSearch['fRadius'].")";
-                                                               $aOrder[] = "ST_Distance(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326)) ASC";
-                                                       }
-                                                       if (sizeof($this->aExcludePlaceIDs))
-                                                       {
-                                                               $aTerms[] = "place_id not in (".join(',',$this->aExcludePlaceIDs).")";
-                                                       }
-                                                       if ($sCountryCodesSQL)
-                                                       {
-                                                               $aTerms[] = "country_code in ($sCountryCodesSQL)";
-                                                       }
-
-                                                       if ($bBoundingBoxSearch) $aTerms[] = "centroid && $this->sViewboxSmallSQL";
-                                                       if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc";
-
-                                                       if ($aSearch['sHouseNumber'])
-                                                       {
-                                                               $sImportanceSQL = '- abs(26 - address_rank) + 3';
-                                                       }
-                                                       else
-                                                       {
-                                                               $sImportanceSQL = '(case when importance = 0 OR importance IS NULL then 0.75-(search_rank::float/40) else importance end)';
-                                                       }
-                                                       if ($this->sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($this->sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END";
-                                                       if ($this->sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($this->sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END";
-
-                                                       $aOrder[] = "$sImportanceSQL DESC";
-                                                       if (sizeof($aSearch['aFullNameAddress']))
-                                                       {
-                                                               $sExactMatchSQL = '(select count(*) from (select unnest(ARRAY['.join($aSearch['aFullNameAddress'],",").']) INTERSECT select unnest(nameaddress_vector))s) as exactmatch';
-                                                               $aOrder[] = 'exactmatch DESC';
-                                                       } else {
-                                                               $sExactMatchSQL = '0::int as exactmatch';
-                                                       }
-
-                                                       if (sizeof($aTerms))
-                                                       {
-                                                               $sSQL = "select place_id, ";
-                                                               $sSQL .= $sExactMatchSQL;
-                                                               $sSQL .= " from search_name";
-                                                               $sSQL .= " where ".join(' and ',$aTerms);
-                                                               $sSQL .= " order by ".join(', ',$aOrder);
-                                                               if ($aSearch['sHouseNumber'] || $aSearch['sClass'])
-                                                                       $sSQL .= " limit 20";
-                                                               elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
-                                                                       $sSQL .= " limit 1";
-                                                               else
-                                                                       $sSQL .= " limit ".$this->iLimit;
-
-                                                               if (CONST_Debug) { var_dump($sSQL); }
-                                                               $aViewBoxPlaceIDs = chksql($this->oDB->getAll($sSQL),
-                                                                                          "Could not get places for search terms.");
-                                                               //var_dump($aViewBoxPlaceIDs);
-                                                               // Did we have an viewbox matches?
-                                                               $aPlaceIDs = array();
-                                                               $bViewBoxMatch = false;
-                                                               foreach($aViewBoxPlaceIDs as $aViewBoxRow)
-                                                               {
-                                                                       //if ($bViewBoxMatch == 1 && $aViewBoxRow['in_small'] == 'f') break;
-                                                                       //if ($bViewBoxMatch == 2 && $aViewBoxRow['in_large'] == 'f') break;
-                                                                       //if ($aViewBoxRow['in_small'] == 't') $bViewBoxMatch = 1;
-                                                                       //else if ($aViewBoxRow['in_large'] == 't') $bViewBoxMatch = 2;
-                                                                       $aPlaceIDs[] = $aViewBoxRow['place_id'];
-                                                                       $this->exactMatchCache[$aViewBoxRow['place_id']] = $aViewBoxRow['exactmatch'];
-                                                               }
-                                                       }
-                                                       //var_Dump($aPlaceIDs);
-                                                       //exit;
-
-                                                       //now search for housenumber, if housenumber provided
-                                                       if ($aSearch['sHouseNumber'] && sizeof($aPlaceIDs))
-                                                       {
-                                                               $searchedHousenumber = intval($aSearch['sHouseNumber']);
-                                                               $aRoadPlaceIDs = $aPlaceIDs;
-                                                               $sPlaceIDs = join(',',$aPlaceIDs);
-
-                                                               // Now they are indexed, look for a house attached to a street we found
-                                                               $sHouseNumberRegex = '\\\\m'.$aSearch['sHouseNumber'].'\\\\M';
-                                                               $sSQL = "select place_id from placex where parent_place_id in (".$sPlaceIDs.") and transliteration(housenumber) ~* E'".$sHouseNumberRegex."'";
-                                                               if (sizeof($this->aExcludePlaceIDs))
-                                                               {
-                                                                       $sSQL .= " and place_id not in (".join(',',$this->aExcludePlaceIDs).")";
-                                                               }
-                                                               $sSQL .= " limit $this->iLimit";
-                                                               if (CONST_Debug) var_dump($sSQL);
-                                                               $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
-                                                               
-                                                               // if nothing found, search in the interpolation line table
-                                                               if(!sizeof($aPlaceIDs))
-                                                               {
-                                                                       // do we need to use transliteration and the regex for housenumbers???
-                                                                       //new query for lines, not housenumbers anymore
-                                                                       if($searchedHousenumber%2 == 0){
-                                                                               //if housenumber is even, look for housenumber in streets with interpolationtype even or all
-                                                                               $sSQL = "select distinct place_id from location_property_osmline where parent_place_id in (".$sPlaceIDs.") and (interpolationtype='even' or interpolationtype='all') and ".$searchedHousenumber.">=startnumber and ".$searchedHousenumber."<=endnumber";
-                                                                       }else{
-                                                                               //look for housenumber in streets with interpolationtype odd or all
-                                                                               $sSQL = "select distinct place_id from location_property_osmline where parent_place_id in (".$sPlaceIDs.") and (interpolationtype='odd' or interpolationtype='all') and ".$searchedHousenumber.">=startnumber and ".$searchedHousenumber."<=endnumber";
-                                                                       }
-
-                                                                       if (sizeof($this->aExcludePlaceIDs))
-                                                                       {
-                                                                               $sSQL .= " and place_id not in (".join(',', $this->aExcludePlaceIDs).")";
-                                                                       }
-                                                                       //$sSQL .= " limit $this->iLimit";
-                                                                       if (CONST_Debug) var_dump($sSQL);
-                                                                       //get place IDs
-                                                                       $aPlaceIDs = chksql($this->oDB->getCol($sSQL, 0));
-                                                               }
-                                                                       
-                                                               // If nothing found try the aux fallback table
-                                                               if (CONST_Use_Aux_Location_data && !sizeof($aPlaceIDs))
-                                                               {
-                                                                       $sSQL = "select place_id from location_property_aux where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
-                                                                       if (sizeof($this->aExcludePlaceIDs))
-                                                                       {
-                                                                               $sSQL .= " and parent_place_id not in (".join(',',$this->aExcludePlaceIDs).")";
-                                                                       }
-                                                                       //$sSQL .= " limit $this->iLimit";
-                                                                       if (CONST_Debug) var_dump($sSQL);
-                                                                       $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
-                                                               }
-
-                                                               //if nothing was found in placex or location_property_aux, then search in Tiger data for this housenumber(location_property_tiger)
-                                                               if (CONST_Use_US_Tiger_Data && !sizeof($aPlaceIDs))
-                                                               {
-                                                                       //new query for lines, not housenumbers anymore
-                                                                       if($searchedHousenumber%2 == 0){
-                                                                               //if housenumber is even, look for housenumber in streets with interpolationtype even or all
-                                                                               $sSQL = "select distinct place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and (interpolationtype='even' or interpolationtype='all') and ".$searchedHousenumber.">=startnumber and ".$searchedHousenumber."<=endnumber";
-                                                                       }else{
-                                                                               //look for housenumber in streets with interpolationtype odd or all
-                                                                               $sSQL = "select distinct place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and (interpolationtype='odd' or interpolationtype='all') and ".$searchedHousenumber.">=startnumber and ".$searchedHousenumber."<=endnumber";
-                                                                       }
-
-                                                                       if (sizeof($this->aExcludePlaceIDs))
-                                                                       {
-                                                                               $sSQL .= " and place_id not in (".join(',', $this->aExcludePlaceIDs).")";
-                                                                       }
-                                                                       //$sSQL .= " limit $this->iLimit";
-                                                                       if (CONST_Debug) var_dump($sSQL);
-                                                                       //get place IDs
-                                                                       $aPlaceIDs = chksql($this->oDB->getCol($sSQL, 0));
-                                                               }
-
-                                                               // Fallback to the road (if no housenumber was found)
-                                                               if (!sizeof($aPlaceIDs) && preg_match('/[0-9]+/', $aSearch['sHouseNumber']))
-                                                               {
-                                                                       $aPlaceIDs = $aRoadPlaceIDs;
-                                                                       //set to -1, if no housenumbers were found
-                                                                       $searchedHousenumber = -1;
-                                                               }
-                                                               //else: housenumber was found, remains saved in searchedHousenumber
-                                                       }
-
-
-                                                       if ($aSearch['sClass'] && sizeof($aPlaceIDs))
-                                                       {
-                                                               $sPlaceIDs = join(',', $aPlaceIDs);
-                                                               $aClassPlaceIDs = array();
-
-                                                               if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
-                                                               {
-                                                                       // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
-                                                                       $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
-                                                                       $sSQL .= " and linked_place_id is null";
-                                                                       if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
-                                                                       $sSQL .= " order by rank_search asc limit $this->iLimit";
-                                                                       if (CONST_Debug) var_dump($sSQL);
-                                                                       $aClassPlaceIDs = chksql($this->oDB->getCol($sSQL));
-                                                               }
-
-                                                               if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
-                                                               {
-                                                                       $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
-                                                                       $bCacheTable = chksql($this->oDB->getOne($sSQL));
-
-                                                                       $sSQL = "select min(rank_search) from placex where place_id in ($sPlaceIDs)";
-
-                                                                       if (CONST_Debug) var_dump($sSQL);
-                                                                       $this->iMaxRank = ((int)chksql($this->oDB->getOne($sSQL)));
-
-                                                                       // For state / country level searches the normal radius search doesn't work very well
-                                                                       $sPlaceGeom = false;
-                                                                       if ($this->iMaxRank < 9 && $bCacheTable)
-                                                                       {
-                                                                               // Try and get a polygon to search in instead
-                                                                               $sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $this->iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
-                                                                               if (CONST_Debug) var_dump($sSQL);
-                                                                               $sPlaceGeom = chksql($this->oDB->getOne($sSQL));
-                                                                       }
-
-                                                                       if ($sPlaceGeom)
-                                                                       {
-                                                                               $sPlaceIDs = false;
-                                                                       }
-                                                                       else
-                                                                       {
-                                                                               $this->iMaxRank += 5;
-                                                                               $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $this->iMaxRank";
-                                                                               if (CONST_Debug) var_dump($sSQL);
-                                                                               $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
-                                                                               $sPlaceIDs = join(',',$aPlaceIDs);
-                                                                       }
-
-                                                                       if ($sPlaceIDs || $sPlaceGeom)
-                                                                       {
-
-                                                                               $fRange = 0.01;
-                                                                               if ($bCacheTable)
-                                                                               {
-                                                                                       // More efficient - can make the range bigger
-                                                                                       $fRange = 0.05;
-
-                                                                                       $sOrderBySQL = '';
-                                                                                       if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.centroid)";
-                                                                                       else if ($sPlaceIDs) $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
-                                                                                       else if ($sPlaceGeom) $sOrderBysSQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
-
-                                                                                       $sSQL = "select distinct l.place_id".($sOrderBySQL?','.$sOrderBySQL:'')." from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";
-                                                                                       if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";
-                                                                                       if ($sPlaceIDs)
-                                                                                       {
-                                                                                               $sSQL .= ",placex as f where ";
-                                                                                               $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, f.centroid, $fRange) ";
-                                                                                       }
-                                                                                       if ($sPlaceGeom)
-                                                                                       {
-                                                                                               $sSQL .= " where ";
-                                                                                               $sSQL .= "ST_Contains('".$sPlaceGeom."', l.centroid) ";
-                                                                                       }
-                                                                                       if (sizeof($this->aExcludePlaceIDs))
-                                                                                       {
-                                                                                               $sSQL .= " and l.place_id not in (".join(',',$this->aExcludePlaceIDs).")";
-                                                                                       }
-                                                                                       if ($sCountryCodesSQL) $sSQL .= " and lp.calculated_country_code in ($sCountryCodesSQL)";
-                                                                                       if ($sOrderBySQL) $sSQL .= "order by ".$sOrderBySQL." asc";
-                                                                                       if ($this->iOffset) $sSQL .= " offset $this->iOffset";
-                                                                                       $sSQL .= " limit $this->iLimit";
-                                                                                       if (CONST_Debug) var_dump($sSQL);
-                                                                                       $aClassPlaceIDs = array_merge($aClassPlaceIDs, chksql($this->oDB->getCol($sSQL)));
-                                                                               }
-                                                                               else
-                                                                               {
-                                                                                       if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];
-
-                                                                                       $sOrderBySQL = '';
-                                                                                       if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.geometry)";
-                                                                                       else $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
-
-                                                                                       $sSQL = "select distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'')." from placex as l,placex as f where ";
-                                                                                       $sSQL .= "f.place_id in ( $sPlaceIDs) and ST_DWithin(l.geometry, f.centroid, $fRange) ";
-                                                                                       $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
-                                                                                       if (sizeof($this->aExcludePlaceIDs))
-                                                                                       {
-                                                                                               $sSQL .= " and l.place_id not in (".join(',',$this->aExcludePlaceIDs).")";
-                                                                                       }
-                                                                                       if ($sCountryCodesSQL) $sSQL .= " and l.calculated_country_code in ($sCountryCodesSQL)";
-                                                                                       if ($sOrderBy) $sSQL .= "order by ".$OrderBysSQL." asc";
-                                                                                       if ($this->iOffset) $sSQL .= " offset $this->iOffset";
-                                                                                       $sSQL .= " limit $this->iLimit";
-                                                                                       if (CONST_Debug) var_dump($sSQL);
-                                                                                       $aClassPlaceIDs = array_merge($aClassPlaceIDs, chksql($this->oDB->getCol($sSQL)));
-                                                                               }
-                                                                       }
-                                                               }
-
-                                                               $aPlaceIDs = $aClassPlaceIDs;
-
-                                                       }
-
-                                               }
-
-                                               if (CONST_Debug) { echo "<br><b>Place IDs:</b> "; var_Dump($aPlaceIDs); }
-
-                                               foreach($aPlaceIDs as $iPlaceID)
-                                               {
-                                                       // array for placeID => -1 | Tiger housenumber
-                                                       $aResultPlaceIDs[$iPlaceID] = $searchedHousenumber;
-                                               }
-                                               if ($iQueryLoop > 20) break;
-                                       }
-
-                                       if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs) && ($this->iMinAddressRank != 0 || $this->iMaxAddressRank != 30))
-                                       {
-                                               // Need to verify passes rank limits before dropping out of the loop (yuk!)
-                                               // reduces the number of place ids, like a filter
-                                               // rank_address is 30 for interpolated housenumbers
-                                               $sSQL = "select place_id from placex where place_id in (".join(',',array_keys($aResultPlaceIDs)).") ";
-                                               $sSQL .= "and (placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
-                                               if (14 >= $this->iMinAddressRank && 14 <= $this->iMaxAddressRank) $sSQL .= " OR (extratags->'place') = 'city'";
-                                               if ($this->aAddressRankList) $sSQL .= " OR placex.rank_address in (".join(',',$this->aAddressRankList).")";
-                                               if (CONST_Use_US_Tiger_Data)
-                                               {
-                                                       $sSQL .= ") UNION select place_id from location_property_tiger where place_id in (".join(',',array_keys($aResultPlaceIDs)).") ";
-                                                       $sSQL .= "and (30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
-                                                       if ($this->aAddressRankList) $sSQL .= " OR 30 in (".join(',',$this->aAddressRankList).")";
-                                               }
-                                               $sSQL .= ") UNION select place_id from location_property_osmline where place_id in (".join(',',array_keys($aResultPlaceIDs)).")";
-                                               $sSQL .= " and (30 between $this->iMinAddressRank and $this->iMaxAddressRank)";
-                                               if (CONST_Debug) var_dump($sSQL);
-                                               $aFilteredPlaceIDs = chksql($this->oDB->getCol($sSQL));
-                                               $tempIDs = array();
-                                               foreach($aFilteredPlaceIDs as $placeID)
-                                               {
-                                                       $tempIDs[$placeID] = $aResultPlaceIDs[$placeID];  //assign housenumber to placeID
-                                               }
-                                               $aResultPlaceIDs = $tempIDs;
-                                       }
-
-                                       //exit;
-                                       if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs)) break;
-                                       if ($iGroupLoop > 4) break;
-                                       if ($iQueryLoop > 30) break;
-                               }
-
-                               // Did we find anything?
-                               if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs))
-                               {
-                                       $aSearchResults = $this->getDetails($aResultPlaceIDs);
-                               }
-
-                       }
-                       else
-                       {
-                               // Just interpret as a reverse geocode
-                               $oReverse = new ReverseGeocode($this->oDB);
-                               $oReverse->setZoom(18);
-
-                               $aLookup = $oReverse->lookup((float)$this->aNearPoint[0],
-                                                            (float)$this->aNearPoint[1],
-                                                            false);
-
-                               if (CONST_Debug) var_dump("Reverse search", $aLookup);
-
-                               if ($aLookup['place_id'])
-                                       $aSearchResults = $this->getDetails(array($aLookup['place_id'] => -1));
-                               else
-                                       $aSearchResults = array();
-                       }
-
-                       // No results? Done
-                       if (!sizeof($aSearchResults))
-                       {
-                               if ($this->bFallback)
-                               {
-                                       if ($this->fallbackStructuredQuery())
-                                       {
-                                               return $this->lookup();
-                                       }
-                               }
-
-                               return array();
-                       }
-
-                       $aClassType = getClassTypesWithImportance();
-                       $aRecheckWords = preg_split('/\b[\s,\\-]*/u',$sQuery);
-                       foreach($aRecheckWords as $i => $sWord)
-                       {
-                               if (!preg_match('/\pL/', $sWord)) unset($aRecheckWords[$i]);
-                       }
-
-                       if (CONST_Debug) { echo '<i>Recheck words:<\i>'; var_dump($aRecheckWords); }
-
-                       $oPlaceLookup = new PlaceLookup($this->oDB);
-                       $oPlaceLookup->setIncludePolygonAsPoints($this->bIncludePolygonAsPoints);
-                       $oPlaceLookup->setIncludePolygonAsText($this->bIncludePolygonAsText);
-                       $oPlaceLookup->setIncludePolygonAsGeoJSON($this->bIncludePolygonAsGeoJSON);
-                       $oPlaceLookup->setIncludePolygonAsKML($this->bIncludePolygonAsKML);
-                       $oPlaceLookup->setIncludePolygonAsSVG($this->bIncludePolygonAsSVG);
-                       $oPlaceLookup->setPolygonSimplificationThreshold($this->fPolygonSimplificationThreshold);
-
-                       foreach($aSearchResults as $iResNum => $aResult)
-                       {
-                               // Default
-                               $fDiameter = getResultDiameter($aResult);
-
-                               $aOutlineResult = $oPlaceLookup->getOutlines($aResult['place_id'], $aResult['lon'], $aResult['lat'], $fDiameter/2);
-                               if ($aOutlineResult)
-                               {
-                                       $aResult = array_merge($aResult, $aOutlineResult);
-                               }
-                               
-                               if ($aResult['extra_place'] == 'city')
-                               {
-                                       $aResult['class'] = 'place';
-                                       $aResult['type'] = 'city';
-                                       $aResult['rank_search'] = 16;
-                               }
-
-                               // Is there an icon set for this type of result?
-                               if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
-                                               && $aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
-                               {
-                                       $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
-                               }
-
-                               if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['label'])
-                                               && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['label'])
-                               {
-                                       $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['label'];
-                               }
-                               elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['label'])
-                                               && $aClassType[$aResult['class'].':'.$aResult['type']]['label'])
-                               {
-                                       $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type']]['label'];
-                               }
-                               // if tag '&addressdetails=1' is set in query
-                               if ($this->bIncludeAddressDetails)
-                               {
-                                       // getAddressDetails() is defined in lib.php and uses the SQL function get_addressdata in functions.sql
-                                       $aResult['address'] = getAddressDetails($this->oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code'], $aResultPlaceIDs[$aResult['place_id']]);
-                                       if ($aResult['extra_place'] == 'city' && !isset($aResult['address']['city']))
-                                       {
-                                               $aResult['address'] = array_merge(array('city' => array_shift(array_values($aResult['address']))), $aResult['address']);
-                                       }
-                               }
-                               if ($this->bIncludeExtraTags)
-                               {
-                                       if ($aResult['extra'])
-                                       {
-                                               $aResult['sExtraTags'] = json_decode($aResult['extra']);
-                                       }
-                                       else
-                                       {
-                                               $aResult['sExtraTags'] = (object) array();
-                                       }
-                               }
-
-                               if ($this->bIncludeNameDetails)
-                               {
-                                       if ($aResult['names'])
-                                       {
-                                               $aResult['sNameDetails'] = json_decode($aResult['names']);
-                                       }
-                                       else
-                                       {
-                                               $aResult['sNameDetails'] = (object) array();
-                                       }
-                               }
-
-                               // Adjust importance for the number of exact string matches in the result
-                               $aResult['importance'] = max(0.001,$aResult['importance']);
-                               $iCountWords = 0;
-                               $sAddress = $aResult['langaddress'];
-                               foreach($aRecheckWords as $i => $sWord)
-                               {
-                                       if (stripos($sAddress, $sWord)!==false)
-                                       {
-                                               $iCountWords++;
-                                               if (preg_match("/(^|,)\s*".preg_quote($sWord, '/')."\s*(,|$)/", $sAddress)) $iCountWords += 0.1;
-                                       }
-                               }
-
-                               $aResult['importance'] = $aResult['importance'] + ($iCountWords*0.1); // 0.1 is a completely arbitrary number but something in the range 0.1 to 0.5 would seem right
-
-                               $aResult['name'] = $aResult['langaddress'];
-                               // secondary ordering (for results with same importance (the smaller the better):
-                               //   - approximate importance of address parts
-                               $aResult['foundorder'] = -$aResult['addressimportance']/10;
-                               //   - number of exact matches from the query
-                               if (isset($this->exactMatchCache[$aResult['place_id']]))
-                                       $aResult['foundorder'] -= $this->exactMatchCache[$aResult['place_id']];
-                               else if (isset($this->exactMatchCache[$aResult['parent_place_id']]))
-                                       $aResult['foundorder'] -= $this->exactMatchCache[$aResult['parent_place_id']];
-                               //  - importance of the class/type
-                               if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
-                                       && $aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
-                               {
-                                       $aResult['foundorder'] += 0.0001 * $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
-                               }
-                               else
-                               {
-                                       $aResult['foundorder'] += 0.01;
-                               }
-                               if (CONST_Debug) { var_dump($aResult); }
-                               $aSearchResults[$iResNum] = $aResult;
-                       }
-                       uasort($aSearchResults, 'byImportance');
-
-                       $aOSMIDDone = array();
-                       $aClassTypeNameDone = array();
-                       $aToFilter = $aSearchResults;
-                       $aSearchResults = array();
-
-                       $bFirst = true;
-                       foreach($aToFilter as $iResNum => $aResult)
-                       {
-                               $this->aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
-                               if ($bFirst)
-                               {
-                                       $fLat = $aResult['lat'];
-                                       $fLon = $aResult['lon'];
-                                       if (isset($aResult['zoom'])) $iZoom = $aResult['zoom'];
-                                       $bFirst = false;
-                               }
-                               if (!$this->bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
-                                                       && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']])))
-                               {
-                                       $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
-                                       $aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']] = true;
-                                       $aSearchResults[] = $aResult;
-                               }
-
-                               // Absolute limit on number of results
-                               if (sizeof($aSearchResults) >= $this->iFinalLimit) break;
-                       }
-
-                       return $aSearchResults;
-
-               } // end lookup()
-
-
-       } // end class
 
+namespace Nominatim;
+
+require_once(CONST_BasePath.'/lib/NearPoint.php');
+require_once(CONST_BasePath.'/lib/PlaceLookup.php');
+require_once(CONST_BasePath.'/lib/ReverseGeocode.php');
+
+class Geocode
+{
+    protected $oDB;
+
+    protected $aLangPrefOrder = array();
+
+    protected $bIncludeAddressDetails = false;
+    protected $bIncludeExtraTags = false;
+    protected $bIncludeNameDetails = false;
+
+    protected $bIncludePolygonAsPoints = false;
+    protected $bIncludePolygonAsText = false;
+    protected $bIncludePolygonAsGeoJSON = false;
+    protected $bIncludePolygonAsKML = false;
+    protected $bIncludePolygonAsSVG = false;
+    protected $fPolygonSimplificationThreshold = 0.0;
+
+    protected $aExcludePlaceIDs = array();
+    protected $bDeDupe = true;
+    protected $bReverseInPlan = false;
+
+    protected $iLimit = 20;
+    protected $iFinalLimit = 10;
+    protected $iOffset = 0;
+    protected $bFallback = false;
+
+    protected $aCountryCodes = false;
+
+    protected $bBoundedSearch = false;
+    protected $aViewBox = false;
+    protected $sViewboxCentreSQL = false;
+    protected $sViewboxSmallSQL = false;
+    protected $sViewboxLargeSQL = false;
+
+    protected $iMaxRank = 20;
+    protected $iMinAddressRank = 0;
+    protected $iMaxAddressRank = 30;
+    protected $aAddressRankList = array();
+    protected $exactMatchCache = array();
+
+    protected $sAllowedTypesSQLList = false;
+
+    protected $sQuery = false;
+    protected $aStructuredQuery = false;
+
+    protected $oNormalizer = null;
+
+
+    public function __construct(&$oDB)
+    {
+        $this->oDB =& $oDB;
+        $this->oNormalizer = \Transliterator::createFromRules(CONST_Term_Normalization_Rules);
+    }
+
+    private function normTerm($sTerm)
+    {
+        if ($this->oNormalizer === null) {
+            return null;
+        }
+
+        return $this->oNormalizer->transliterate($sTerm);
+    }
+
+    public function setReverseInPlan($bReverse)
+    {
+        $this->bReverseInPlan = $bReverse;
+    }
+
+    public function setLanguagePreference($aLangPref)
+    {
+        $this->aLangPrefOrder = $aLangPref;
+    }
+
+    public function getMoreUrlParams()
+    {
+        if ($this->aStructuredQuery) {
+            $aParams = $this->aStructuredQuery;
+        } else {
+            $aParams = array('q' => $this->sQuery);
+        }
+
+        if ($this->aExcludePlaceIDs) {
+            $aParams['exclude_place_ids'] = implode(',', $this->aExcludePlaceIDs);
+        }
+
+        if ($this->bIncludeAddressDetails) $aParams['addressdetails'] = '1';
+        if ($this->bIncludeExtraTags) $aParams['extratags'] = '1';
+        if ($this->bIncludeNameDetails) $aParams['namedetails'] = '1';
+
+        if ($this->bIncludePolygonAsPoints) $aParams['polygon'] = '1';
+        if ($this->bIncludePolygonAsText) $aParams['polygon_text'] = '1';
+        if ($this->bIncludePolygonAsGeoJSON) $aParams['polygon_geojson'] = '1';
+        if ($this->bIncludePolygonAsKML) $aParams['polygon_kml'] = '1';
+        if ($this->bIncludePolygonAsSVG) $aParams['polygon_svg'] = '1';
+
+        if ($this->fPolygonSimplificationThreshold > 0.0) {
+            $aParams['polygon_threshold'] = $this->fPolygonSimplificationThreshold;
+        }
+
+        if ($this->bBoundedSearch) $aParams['bounded'] = '1';
+        if (!$this->bDeDupe) $aParams['dedupe'] = '0';
+
+        if ($this->aCountryCodes) {
+            $aParams['countrycodes'] = implode(',', $this->aCountryCodes);
+        }
+
+        if ($this->aViewBox) {
+            $aParams['viewbox'] = $this->aViewBox[0].','.$this->aViewBox[3]
+                                  .','.$this->aViewBox[2].','.$this->aViewBox[1];
+        }
+
+        return $aParams;
+    }
+
+    public function setIncludePolygonAsPoints($b = true)
+    {
+        $this->bIncludePolygonAsPoints = $b;
+    }
+
+    public function setIncludePolygonAsText($b = true)
+    {
+        $this->bIncludePolygonAsText = $b;
+    }
+
+    public function setIncludePolygonAsGeoJSON($b = true)
+    {
+        $this->bIncludePolygonAsGeoJSON = $b;
+    }
+
+    public function setIncludePolygonAsKML($b = true)
+    {
+        $this->bIncludePolygonAsKML = $b;
+    }
+
+    public function setIncludePolygonAsSVG($b = true)
+    {
+        $this->bIncludePolygonAsSVG = $b;
+    }
+
+    public function setPolygonSimplificationThreshold($f)
+    {
+        $this->fPolygonSimplificationThreshold = $f;
+    }
+
+    public function setLimit($iLimit = 10)
+    {
+        if ($iLimit > 50) $iLimit = 50;
+        if ($iLimit < 1) $iLimit = 1;
+
+        $this->iFinalLimit = $iLimit;
+        $this->iLimit = $iLimit + min($iLimit, 10);
+    }
+
+    public function setFeatureType($sFeatureType)
+    {
+        switch ($sFeatureType) {
+            case 'country':
+                $this->setRankRange(4, 4);
+                break;
+            case 'state':
+                $this->setRankRange(8, 8);
+                break;
+            case 'city':
+                $this->setRankRange(14, 16);
+                break;
+            case 'settlement':
+                $this->setRankRange(8, 20);
+                break;
+        }
+    }
+
+    public function setRankRange($iMin, $iMax)
+    {
+        $this->iMinAddressRank = $iMin;
+        $this->iMaxAddressRank = $iMax;
+    }
+
+    public function setRoute($aRoutePoints, $fRouteWidth)
+    {
+        $this->aViewBox = false;
+
+        $this->sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
+        $sSep = '';
+        foreach ($aRoutePoints as $aPoint) {
+            $fPoint = (float)$aPoint;
+            $this->sViewboxCentreSQL .= $sSep.$fPoint;
+            $sSep = ($sSep == ' ') ? ',' : ' ';
+        }
+        $this->sViewboxCentreSQL .= ")'::geometry,4326)";
+
+        $this->sViewboxSmallSQL = 'ST_BUFFER('.$this->sViewboxCentreSQL;
+        $this->sViewboxSmallSQL .= ','.($fRouteWidth/69).')';
+
+        $this->sViewboxLargeSQL = 'ST_BUFFER('.$this->sViewboxCentreSQL;
+        $this->sViewboxLargeSQL .= ','.($fRouteWidth/30).')';
+    }
+
+    public function setViewbox($aViewbox)
+    {
+        $this->aViewBox = array_map('floatval', $aViewbox);
+
+        $this->aViewBox[0] = max(-180.0, min(180, $this->aViewBox[0]));
+        $this->aViewBox[1] = max(-90.0, min(90, $this->aViewBox[1]));
+        $this->aViewBox[2] = max(-180.0, min(180, $this->aViewBox[2]));
+        $this->aViewBox[3] = max(-90.0, min(90, $this->aViewBox[3]));
+
+        if (abs($this->aViewBox[0] - $this->aViewBox[2]) < 0.000000001
+            || abs($this->aViewBox[1] - $this->aViewBox[3]) < 0.000000001
+        ) {
+            userError("Bad parameter 'viewbox'. Not a box.");
+        }
+
+        $fHeight = $this->aViewBox[0] - $this->aViewBox[2];
+        $fWidth = $this->aViewBox[1] - $this->aViewBox[3];
+        $aBigViewBox[0] = $this->aViewBox[0] + $fHeight;
+        $aBigViewBox[2] = $this->aViewBox[2] - $fHeight;
+        $aBigViewBox[1] = $this->aViewBox[1] + $fWidth;
+        $aBigViewBox[3] = $this->aViewBox[3] - $fWidth;
+
+        $this->sViewboxCentreSQL = false;
+        $this->sViewboxSmallSQL = sprintf(
+            'ST_SetSRID(ST_MakeBox2D(ST_Point(%F,%F),ST_Point(%F,%F)),4326)',
+            $this->aViewBox[0],
+            $this->aViewBox[1],
+            $this->aViewBox[2],
+            $this->aViewBox[3]
+        );
+        $this->sViewboxLargeSQL = sprintf(
+            'ST_SetSRID(ST_MakeBox2D(ST_Point(%F,%F),ST_Point(%F,%F)),4326)',
+            $aBigViewBox[0],
+            $aBigViewBox[1],
+            $aBigViewBox[2],
+            $aBigViewBox[3]
+        );
+    }
+
+    public function setQuery($sQueryString)
+    {
+        $this->sQuery = $sQueryString;
+        $this->aStructuredQuery = false;
+    }
+
+    public function getQueryString()
+    {
+        return $this->sQuery;
+    }
+
+
+    public function loadParamArray($oParams)
+    {
+        $this->bIncludeAddressDetails
+         = $oParams->getBool('addressdetails', $this->bIncludeAddressDetails);
+        $this->bIncludeExtraTags
+         = $oParams->getBool('extratags', $this->bIncludeExtraTags);
+        $this->bIncludeNameDetails
+         = $oParams->getBool('namedetails', $this->bIncludeNameDetails);
+
+        $this->bBoundedSearch = $oParams->getBool('bounded', $this->bBoundedSearch);
+        $this->bDeDupe = $oParams->getBool('dedupe', $this->bDeDupe);
+
+        $this->setLimit($oParams->getInt('limit', $this->iFinalLimit));
+        $this->iOffset = $oParams->getInt('offset', $this->iOffset);
+
+        $this->bFallback = $oParams->getBool('fallback', $this->bFallback);
+
+        // List of excluded Place IDs - used for more acurate pageing
+        $sExcluded = $oParams->getStringList('exclude_place_ids');
+        if ($sExcluded) {
+            foreach ($sExcluded as $iExcludedPlaceID) {
+                $iExcludedPlaceID = (int)$iExcludedPlaceID;
+                if ($iExcludedPlaceID)
+                    $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
+            }
+
+            if (isset($aExcludePlaceIDs))
+                $this->aExcludePlaceIDs = $aExcludePlaceIDs;
+        }
+
+        // Only certain ranks of feature
+        $sFeatureType = $oParams->getString('featureType');
+        if (!$sFeatureType) $sFeatureType = $oParams->getString('featuretype');
+        if ($sFeatureType) $this->setFeatureType($sFeatureType);
+
+        // Country code list
+        $sCountries = $oParams->getStringList('countrycodes');
+        if ($sCountries) {
+            foreach ($sCountries as $sCountryCode) {
+                if (preg_match('/^[a-zA-Z][a-zA-Z]$/', $sCountryCode)) {
+                    $aCountries[] = strtolower($sCountryCode);
+                }
+            }
+            if (isset($aCountries))
+                $this->aCountryCodes = $aCountries;
+        }
+
+        $aViewbox = $oParams->getStringList('viewboxlbrt');
+        if ($aViewbox) {
+            if (count($aViewbox) != 4) {
+                userError("Bad parmater 'viewboxlbrt'. Expected 4 coordinates.");
+            }
+            $this->setViewbox($aViewbox);
+        } else {
+            $aViewbox = $oParams->getStringList('viewbox');
+            if ($aViewbox) {
+                if (count($aViewbox) != 4) {
+                    userError("Bad parmater 'viewbox'. Expected 4 coordinates.");
+                }
+                $this->setViewBox(array(
+                                   $aViewbox[0],
+                                   $aViewbox[3],
+                                   $aViewbox[2],
+                                   $aViewbox[1]
+                                  ));
+            } else {
+                $aRoute = $oParams->getStringList('route');
+                $fRouteWidth = $oParams->getFloat('routewidth');
+                if ($aRoute && $fRouteWidth) {
+                    $this->setRoute($aRoute, $fRouteWidth);
+                }
+            }
+        }
+    }
+
+    public function setQueryFromParams($oParams)
+    {
+        // Search query
+        $sQuery = $oParams->getString('q');
+        if (!$sQuery) {
+            $this->setStructuredQuery(
+                $oParams->getString('amenity'),
+                $oParams->getString('street'),
+                $oParams->getString('city'),
+                $oParams->getString('county'),
+                $oParams->getString('state'),
+                $oParams->getString('country'),
+                $oParams->getString('postalcode')
+            );
+            $this->setReverseInPlan(false);
+        } else {
+            $this->setQuery($sQuery);
+        }
+    }
+
+    public function loadStructuredAddressElement($sValue, $sKey, $iNewMinAddressRank, $iNewMaxAddressRank, $aItemListValues)
+    {
+        $sValue = trim($sValue);
+        if (!$sValue) return false;
+        $this->aStructuredQuery[$sKey] = $sValue;
+        if ($this->iMinAddressRank == 0 && $this->iMaxAddressRank == 30) {
+            $this->iMinAddressRank = $iNewMinAddressRank;
+            $this->iMaxAddressRank = $iNewMaxAddressRank;
+        }
+        if ($aItemListValues) $this->aAddressRankList = array_merge($this->aAddressRankList, $aItemListValues);
+        return true;
+    }
+
+    public function setStructuredQuery($sAmenity = false, $sStreet = false, $sCity = false, $sCounty = false, $sState = false, $sCountry = false, $sPostalCode = false)
+    {
+        $this->sQuery = false;
+
+        // Reset
+        $this->iMinAddressRank = 0;
+        $this->iMaxAddressRank = 30;
+        $this->aAddressRankList = array();
+
+        $this->aStructuredQuery = array();
+        $this->sAllowedTypesSQLList = False;
+
+        $this->loadStructuredAddressElement($sAmenity, 'amenity', 26, 30, false);
+        $this->loadStructuredAddressElement($sStreet, 'street', 26, 30, false);
+        $this->loadStructuredAddressElement($sCity, 'city', 14, 24, false);
+        $this->loadStructuredAddressElement($sCounty, 'county', 9, 13, false);
+        $this->loadStructuredAddressElement($sState, 'state', 8, 8, false);
+        $this->loadStructuredAddressElement($sPostalCode, 'postalcode', 5, 11, array(5, 11));
+        $this->loadStructuredAddressElement($sCountry, 'country', 4, 4, false);
+
+        if (sizeof($this->aStructuredQuery) > 0) {
+            $this->sQuery = join(', ', $this->aStructuredQuery);
+            if ($this->iMaxAddressRank < 30) {
+                $this->sAllowedTypesSQLList = '(\'place\',\'boundary\')';
+            }
+        }
+    }
+
+    public function fallbackStructuredQuery()
+    {
+        if (!$this->aStructuredQuery) return false;
+
+        $aParams = $this->aStructuredQuery;
+
+        if (sizeof($aParams) == 1) return false;
+
+        $aOrderToFallback = array('postalcode', 'street', 'city', 'county', 'state');
+
+        foreach ($aOrderToFallback as $sType) {
+            if (isset($aParams[$sType])) {
+                unset($aParams[$sType]);
+                $this->setStructuredQuery(@$aParams['amenity'], @$aParams['street'], @$aParams['city'], @$aParams['county'], @$aParams['state'], @$aParams['country'], @$aParams['postalcode']);
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public function getDetails($aPlaceIDs)
+    {
+        //$aPlaceIDs is an array with key: placeID and value: tiger-housenumber, if found, else -1
+        if (sizeof($aPlaceIDs) == 0) return array();
+
+        $sLanguagePrefArraySQL = "ARRAY[".join(',', array_map("getDBQuoted", $this->aLangPrefOrder))."]";
+
+        // Get the details for display (is this a redundant extra step?)
+        $sPlaceIDs = join(',', array_keys($aPlaceIDs));
+
+        $sImportanceSQL = '';
+        $sImportanceSQLGeom = '';
+        if ($this->sViewboxSmallSQL) {
+            $sImportanceSQL .= " CASE WHEN ST_Contains($this->sViewboxSmallSQL, ST_Collect(centroid)) THEN 1 ELSE 0.75 END * ";
+            $sImportanceSQLGeom .= " CASE WHEN ST_Contains($this->sViewboxSmallSQL, geometry) THEN 1 ELSE 0.75 END * ";
+        }
+        if ($this->sViewboxLargeSQL) {
+            $sImportanceSQL .= " CASE WHEN ST_Contains($this->sViewboxLargeSQL, ST_Collect(centroid)) THEN 1 ELSE 0.75 END * ";
+            $sImportanceSQLGeom .= " CASE WHEN ST_Contains($this->sViewboxLargeSQL, geometry) THEN 1 ELSE 0.75 END * ";
+        }
+
+        $sSQL  = "SELECT ";
+        $sSQL .= "    osm_type,";
+        $sSQL .= "    osm_id,";
+        $sSQL .= "    class,";
+        $sSQL .= "    type,";
+        $sSQL .= "    admin_level,";
+        $sSQL .= "    rank_search,";
+        $sSQL .= "    rank_address,";
+        $sSQL .= "    min(place_id) AS place_id, ";
+        $sSQL .= "    min(parent_place_id) AS parent_place_id, ";
+        $sSQL .= "    country_code, ";
+        $sSQL .= "    get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) AS langaddress,";
+        $sSQL .= "    get_name_by_language(name, $sLanguagePrefArraySQL) AS placename,";
+        $sSQL .= "    get_name_by_language(name, ARRAY['ref']) AS ref,";
+        if ($this->bIncludeExtraTags) $sSQL .= "hstore_to_json(extratags)::text AS extra,";
+        if ($this->bIncludeNameDetails) $sSQL .= "hstore_to_json(name)::text AS names,";
+        $sSQL .= "    avg(ST_X(centroid)) AS lon, ";
+        $sSQL .= "    avg(ST_Y(centroid)) AS lat, ";
+        $sSQL .= "    ".$sImportanceSQL."COALESCE(importance,0.75-(rank_search::float/40)) AS importance, ";
+        $sSQL .= "    ( ";
+        $sSQL .= "       SELECT max(p.importance*(p.rank_address+2))";
+        $sSQL .= "       FROM ";
+        $sSQL .= "         place_addressline s, ";
+        $sSQL .= "         placex p";
+        $sSQL .= "       WHERE s.place_id = min(CASE WHEN placex.rank_search < 28 THEN placex.place_id ELSE placex.parent_place_id END)";
+        $sSQL .= "         AND p.place_id = s.address_place_id ";
+        $sSQL .= "         AND s.isaddress ";
+        $sSQL .= "         AND p.importance is not null ";
+        $sSQL .= "    ) AS addressimportance, ";
+        $sSQL .= "    (extratags->'place') AS extra_place ";
+        $sSQL .= " FROM placex";
+        $sSQL .= " WHERE place_id in ($sPlaceIDs) ";
+        $sSQL .= "   AND (";
+        $sSQL .= "            placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
+        if (14 >= $this->iMinAddressRank && 14 <= $this->iMaxAddressRank) {
+            $sSQL .= "        OR (extratags->'place') = 'city'";
+        }
+        if ($this->aAddressRankList) {
+            $sSQL .= "        OR placex.rank_address in (".join(',', $this->aAddressRankList).")";
+        }
+        $sSQL .= "       ) ";
+        if ($this->sAllowedTypesSQLList) {
+            $sSQL .= "AND placex.class in $this->sAllowedTypesSQLList ";
+        }
+        $sSQL .= "    AND linked_place_id is null ";
+        $sSQL .= " GROUP BY ";
+        $sSQL .= "     osm_type, ";
+        $sSQL .= "     osm_id, ";
+        $sSQL .= "     class, ";
+        $sSQL .= "     type, ";
+        $sSQL .= "     admin_level, ";
+        $sSQL .= "     rank_search, ";
+        $sSQL .= "     rank_address, ";
+        $sSQL .= "     country_code, ";
+        $sSQL .= "     importance, ";
+        if (!$this->bDeDupe) $sSQL .= "place_id,";
+        $sSQL .= "     langaddress, ";
+        $sSQL .= "     placename, ";
+        $sSQL .= "     ref, ";
+        if ($this->bIncludeExtraTags) $sSQL .= "extratags, ";
+        if ($this->bIncludeNameDetails) $sSQL .= "name, ";
+        $sSQL .= "     extratags->'place' ";
+
+        // postcode table
+        $sSQL .= "UNION ";
+        $sSQL .= "SELECT";
+        $sSQL .= "  'P' as osm_type,";
+        $sSQL .= "  (SELECT osm_id from placex p WHERE p.place_id = lp.parent_place_id) as osm_id,";
+        $sSQL .= "  'place' as class, 'postcode' as type,";
+        $sSQL .= "  null as admin_level, rank_search, rank_address,";
+        $sSQL .= "  place_id, parent_place_id, country_code,";
+        $sSQL .= "  get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) AS langaddress,";
+        $sSQL .= "  postcode as placename,";
+        $sSQL .= "  postcode as ref,";
+        if ($this->bIncludeExtraTags) $sSQL .= "null AS extra,";
+        if ($this->bIncludeNameDetails) $sSQL .= "null AS names,";
+        $sSQL .= "  ST_x(st_centroid(geometry)) AS lon, ST_y(st_centroid(geometry)) AS lat,";
+        $sSQL .=    $sImportanceSQLGeom."(0.75-(rank_search::float/40)) AS importance, ";
+        $sSQL .= "  (";
+        $sSQL .= "     SELECT max(p.importance*(p.rank_address+2))";
+        $sSQL .= "     FROM ";
+        $sSQL .= "       place_addressline s, ";
+        $sSQL .= "       placex p";
+        $sSQL .= "     WHERE s.place_id = lp.parent_place_id";
+        $sSQL .= "       AND p.place_id = s.address_place_id ";
+        $sSQL .= "       AND s.isaddress";
+        $sSQL .= "       AND p.importance is not null";
+        $sSQL .= "  ) AS addressimportance, ";
+        $sSQL .= "  null AS extra_place ";
+        $sSQL .= "FROM location_postcode lp";
+        $sSQL .= " WHERE place_id in ($sPlaceIDs) ";
+
+        if (30 >= $this->iMinAddressRank && 30 <= $this->iMaxAddressRank) {
+            // only Tiger housenumbers and interpolation lines need to be interpolated, because they are saved as lines
+            // with start- and endnumber, the common osm housenumbers are usually saved as points
+            $sHousenumbers = "";
+            $i = 0;
+            $length = count($aPlaceIDs);
+            foreach ($aPlaceIDs as $placeID => $housenumber) {
+                $i++;
+                $sHousenumbers .= "(".$placeID.", ".$housenumber.")";
+                if ($i<$length) $sHousenumbers .= ", ";
+            }
+
+            if (CONST_Use_US_Tiger_Data) {
+                // Tiger search only if a housenumber was searched and if it was found (i.e. aPlaceIDs[placeID] = housenumber != -1) (realized through a join)
+                $sSQL .= " union";
+                $sSQL .= " SELECT ";
+                $sSQL .= "     'T' AS osm_type, ";
+                $sSQL .= "     (SELECT osm_id from placex p WHERE p.place_id=min(blub.parent_place_id)) as osm_id, ";
+                $sSQL .= "     'place' AS class, ";
+                $sSQL .= "     'house' AS type, ";
+                $sSQL .= "     null AS admin_level, ";
+                $sSQL .= "     30 AS rank_search, ";
+                $sSQL .= "     30 AS rank_address, ";
+                $sSQL .= "     min(place_id) AS place_id, ";
+                $sSQL .= "     min(parent_place_id) AS parent_place_id, ";
+                $sSQL .= "     'us' AS country_code, ";
+                $sSQL .= "     get_address_by_language(place_id, housenumber_for_place, $sLanguagePrefArraySQL) AS langaddress,";
+                $sSQL .= "     null AS placename, ";
+                $sSQL .= "     null AS ref, ";
+                if ($this->bIncludeExtraTags) $sSQL .= "null AS extra,";
+                if ($this->bIncludeNameDetails) $sSQL .= "null AS names,";
+                $sSQL .= "     avg(st_x(centroid)) AS lon, ";
+                $sSQL .= "     avg(st_y(centroid)) AS lat,";
+                $sSQL .= "     ".$sImportanceSQL."-1.15 AS importance, ";
+                $sSQL .= "     (";
+                $sSQL .= "        SELECT max(p.importance*(p.rank_address+2))";
+                $sSQL .= "        FROM ";
+                $sSQL .= "          place_addressline s, ";
+                $sSQL .= "          placex p";
+                $sSQL .= "        WHERE s.place_id = min(blub.parent_place_id)";
+                $sSQL .= "          AND p.place_id = s.address_place_id ";
+                $sSQL .= "          AND s.isaddress";
+                $sSQL .= "          AND p.importance is not null";
+                $sSQL .= "     ) AS addressimportance, ";
+                $sSQL .= "     null AS extra_place ";
+                $sSQL .= " FROM (";
+                $sSQL .= "     SELECT place_id, ";    // interpolate the Tiger housenumbers here
+                $sSQL .= "         ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) AS centroid, ";
+                $sSQL .= "         parent_place_id, ";
+                $sSQL .= "         housenumber_for_place";
+                $sSQL .= "     FROM (";
+                $sSQL .= "            location_property_tiger ";
+                $sSQL .= "            JOIN (values ".$sHousenumbers.") AS housenumbers(place_id, housenumber_for_place) USING(place_id)) ";
+                $sSQL .= "     WHERE ";
+                $sSQL .= "         housenumber_for_place>=0";
+                $sSQL .= "         AND 30 between $this->iMinAddressRank AND $this->iMaxAddressRank";
+                $sSQL .= " ) AS blub"; //postgres wants an alias here
+                $sSQL .= " GROUP BY";
+                $sSQL .= "      place_id, ";
+                $sSQL .= "      housenumber_for_place"; //is this group by really needed?, place_id + housenumber (in combination) are unique
+                if (!$this->bDeDupe) $sSQL .= ", place_id ";
+            }
+            // osmline
+            // interpolation line search only if a housenumber was searched and if it was found (i.e. aPlaceIDs[placeID] = housenumber != -1) (realized through a join)
+            $sSQL .= " UNION ";
+            $sSQL .= "SELECT ";
+            $sSQL .= "  'W' AS osm_type, ";
+            $sSQL .= "  osm_id, ";
+            $sSQL .= "  'place' AS class, ";
+            $sSQL .= "  'house' AS type, ";
+            $sSQL .= "  null AS admin_level, ";
+            $sSQL .= "  30 AS rank_search, ";
+            $sSQL .= "  30 AS rank_address, ";
+            $sSQL .= "  min(place_id) as place_id, ";
+            $sSQL .= "  min(parent_place_id) AS parent_place_id, ";
+            $sSQL .= "  country_code, ";
+            $sSQL .= "  get_address_by_language(place_id, housenumber_for_place, $sLanguagePrefArraySQL) AS langaddress, ";
+            $sSQL .= "  null AS placename, ";
+            $sSQL .= "  null AS ref, ";
+            if ($this->bIncludeExtraTags) $sSQL .= "null AS extra, ";
+            if ($this->bIncludeNameDetails) $sSQL .= "null AS names, ";
+            $sSQL .= "  AVG(st_x(centroid)) AS lon, ";
+            $sSQL .= "  AVG(st_y(centroid)) AS lat, ";
+            $sSQL .= "  ".$sImportanceSQL."-0.1 AS importance, ";  // slightly smaller than the importance for normal houses with rank 30, which is 0
+            $sSQL .= "  (";
+            $sSQL .= "     SELECT ";
+            $sSQL .= "       MAX(p.importance*(p.rank_address+2)) ";
+            $sSQL .= "     FROM";
+            $sSQL .= "       place_addressline s, ";
+            $sSQL .= "       placex p";
+            $sSQL .= "     WHERE s.place_id = min(blub.parent_place_id) ";
+            $sSQL .= "       AND p.place_id = s.address_place_id ";
+            $sSQL .= "       AND s.isaddress ";
+            $sSQL .= "       AND p.importance is not null";
+            $sSQL .= "  ) AS addressimportance,";
+            $sSQL .= "  null AS extra_place ";
+            $sSQL .= "  FROM (";
+            $sSQL .= "     SELECT ";
+            $sSQL .= "         osm_id, ";
+            $sSQL .= "         place_id, ";
+            $sSQL .= "         country_code, ";
+            $sSQL .= "         CASE ";             // interpolate the housenumbers here
+            $sSQL .= "           WHEN startnumber != endnumber ";
+            $sSQL .= "           THEN ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) ";
+            $sSQL .= "           ELSE ST_LineInterpolatePoint(linegeo, 0.5) ";
+            $sSQL .= "         END as centroid, ";
+            $sSQL .= "         parent_place_id, ";
+            $sSQL .= "         housenumber_for_place ";
+            $sSQL .= "     FROM (";
+            $sSQL .= "            location_property_osmline ";
+            $sSQL .= "            JOIN (values ".$sHousenumbers.") AS housenumbers(place_id, housenumber_for_place) USING(place_id)";
+            $sSQL .= "          ) ";
+            $sSQL .= "     WHERE housenumber_for_place>=0 ";
+            $sSQL .= "       AND 30 between $this->iMinAddressRank AND $this->iMaxAddressRank";
+            $sSQL .= "  ) as blub"; //postgres wants an alias here
+            $sSQL .= "  GROUP BY ";
+            $sSQL .= "    osm_id, ";
+            $sSQL .= "    place_id, ";
+            $sSQL .= "    housenumber_for_place, ";
+            $sSQL .= "    country_code "; //is this group by really needed?, place_id + housenumber (in combination) are unique
+            if (!$this->bDeDupe) $sSQL .= ", place_id ";
+
+            if (CONST_Use_Aux_Location_data) {
+                $sSQL .= " UNION ";
+                $sSQL .= "  SELECT ";
+                $sSQL .= "     'L' AS osm_type, ";
+                $sSQL .= "     place_id AS osm_id, ";
+                $sSQL .= "     'place' AS class,";
+                $sSQL .= "     'house' AS type, ";
+                $sSQL .= "     null AS admin_level, ";
+                $sSQL .= "     0 AS rank_search,";
+                $sSQL .= "     0 AS rank_address, ";
+                $sSQL .= "     min(place_id) AS place_id,";
+                $sSQL .= "     min(parent_place_id) AS parent_place_id, ";
+                $sSQL .= "     'us' AS country_code, ";
+                $sSQL .= "     get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) AS langaddress, ";
+                $sSQL .= "     null AS placename, ";
+                $sSQL .= "     null AS ref, ";
+                if ($this->bIncludeExtraTags) $sSQL .= "null AS extra, ";
+                if ($this->bIncludeNameDetails) $sSQL .= "null AS names, ";
+                $sSQL .= "     avg(ST_X(centroid)) AS lon, ";
+                $sSQL .= "     avg(ST_Y(centroid)) AS lat, ";
+                $sSQL .= "     ".$sImportanceSQL."-1.10 AS importance, ";
+                $sSQL .= "     ( ";
+                $sSQL .= "       SELECT max(p.importance*(p.rank_address+2))";
+                $sSQL .= "       FROM ";
+                $sSQL .= "          place_addressline s, ";
+                $sSQL .= "          placex p";
+                $sSQL .= "       WHERE s.place_id = min(location_property_aux.parent_place_id)";
+                $sSQL .= "         AND p.place_id = s.address_place_id ";
+                $sSQL .= "         AND s.isaddress";
+                $sSQL .= "         AND p.importance is not null";
+                $sSQL .= "     ) AS addressimportance, ";
+                $sSQL .= "     null AS extra_place ";
+                $sSQL .= "  FROM location_property_aux ";
+                $sSQL .= "  WHERE place_id in ($sPlaceIDs) ";
+                $sSQL .= "    AND 30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
+                $sSQL .= "  GROUP BY ";
+                $sSQL .= "     place_id, ";
+                if (!$this->bDeDupe) $sSQL .= "place_id, ";
+                $sSQL .= "     get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) ";
+            }
+        }
+
+        $sSQL .= " order by importance desc";
+        if (CONST_Debug) {
+            echo "<hr>";
+            var_dump($sSQL);
+        }
+        $aSearchResults = chksql(
+            $this->oDB->getAll($sSQL),
+            "Could not get details for place."
+        );
+
+        return $aSearchResults;
+    }
+
+    public function getGroupedSearches($aSearches, $aPhraseTypes, $aPhrases, $aValidTokens, $aWordFrequencyScores, $bStructuredPhrases, $sNormQuery)
+    {
+        /*
+             Calculate all searches using aValidTokens i.e.
+             'Wodsworth Road, Sheffield' =>
+
+             Phrase Wordset
+             0      0       (wodsworth road)
+             0      1       (wodsworth)(road)
+             1      0       (sheffield)
+
+             Score how good the search is so they can be ordered
+         */
+        foreach ($aPhrases as $iPhrase => $aPhrase) {
+            $aNewPhraseSearches = array();
+            if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
+            else $sPhraseType = '';
+
+            foreach ($aPhrase['wordsets'] as $iWordSet => $aWordset) {
+                // Too many permutations - too expensive
+                if ($iWordSet > 120) break;
+
+                $aWordsetSearches = $aSearches;
+
+                // Add all words from this wordset
+                foreach ($aWordset as $iToken => $sToken) {
+                    //echo "<br><b>$sToken</b>";
+                    $aNewWordsetSearches = array();
+
+                    foreach ($aWordsetSearches as $aCurrentSearch) {
+                        //echo "<i>";
+                        //var_dump($aCurrentSearch);
+                        //echo "</i>";
+
+                        // If the token is valid
+                        if (isset($aValidTokens[' '.$sToken])) {
+                            foreach ($aValidTokens[' '.$sToken] as $aSearchTerm) {
+                                $aSearch = $aCurrentSearch;
+                                $aSearch['iSearchRank']++;
+                                if (($sPhraseType == '' || $sPhraseType == 'country') && !empty($aSearchTerm['country_code']) && $aSearchTerm['country_code'] != '0') {
+                                    if ($aSearch['sCountryCode'] === false) {
+                                        $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
+                                        // Country is almost always at the end of the string - increase score for finding it anywhere else (optimisation)
+                                        if (($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases))) {
+                                            $aSearch['iSearchRank'] += 5;
+                                        }
+                                        if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                    }
+                                } elseif ($sPhraseType == 'postalcode' || ($aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'postcode')) {
+                                    // We need to try the case where the postal code is the primary element (i.e. no way to tell if it is (postalcode, city) OR (city, postalcode) so try both
+                                    if ($aSearch['sPostcode'] === '' && $aSearch['sHouseNumber'] === '' &&
+                                        isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'] && strpos($sNormQuery, $this->normTerm($aSearchTerm['word'])) !== false) {
+                                        // If we have structured search or this is the first term,
+                                        // make the postcode the primary search element.
+                                        if ($aSearch['sOperator'] === '' && ($sPhraseType == 'postalcode' || ($iToken == 0 && $iPhrase == 0))) {
+                                            $aNewSearch = $aSearch;
+                                            $aNewSearch['sOperator'] = 'postcode';
+                                            $aNewSearch['aAddress'] = array_merge($aNewSearch['aAddress'], $aNewSearch['aName']);
+                                            $aNewSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word'];
+                                            if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aNewSearch;
+                                        }
+
+                                        // If we have a structured search or this is not the first term,
+                                        // add the postcode as an addendum.
+                                        if ($aSearch['sOperator'] !== 'postcode' && ($sPhraseType == 'postalcode' || sizeof($aSearch['aName']))) {
+                                            $aSearch['sPostcode'] = $aSearchTerm['word'];
+                                            if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                        }
+                                    }
+                                } elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house') {
+                                    if ($aSearch['sHouseNumber'] === '' && $aSearch['sOperator'] !== 'postcode') {
+                                        $aSearch['sHouseNumber'] = $sToken;
+                                        // sanity check: if the housenumber is not mainly made
+                                        // up of numbers, add a penalty
+                                        if (preg_match_all("/[^0-9]/", $sToken, $aMatches) > 2) $aSearch['iSearchRank']++;
+                                        // also housenumbers should appear in the first or second phrase
+                                        if ($iPhrase > 1) $aSearch['iSearchRank'] += 1;
+                                        if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                        /*
+                                        // Fall back to not searching for this item (better than nothing)
+                                        $aSearch = $aCurrentSearch;
+                                        $aSearch['iSearchRank'] += 1;
+                                        if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                         */
+                                    }
+                                } elseif ($sPhraseType == '' && $aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null) {
+                                    // require a normalized exact match of the term
+                                    // if we have the normalizer version of the query
+                                    // available
+                                    if ($aSearch['sClass'] === ''
+                                        && ($sNormQuery === null || !($aSearchTerm['word'] && strpos($sNormQuery, $aSearchTerm['word']) === false))) {
+                                        $aSearch['sClass'] = $aSearchTerm['class'];
+                                        $aSearch['sType'] = $aSearchTerm['type'];
+                                        if ($aSearchTerm['operator'] == '') {
+                                            $aSearch['sOperator'] = sizeof($aSearch['aName']) ? 'name' :  'near';
+                                            $aSearch['iSearchRank'] += 2;
+                                        } else {
+                                            $aSearch['sOperator'] = 'near'; // near = in for the moment
+                                        }
+
+                                        if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                    }
+                                } elseif (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id']) {
+                                    if (sizeof($aSearch['aName'])) {
+                                        if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strpos($sToken, ' ') !== false)) {
+                                            $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
+                                        } else {
+                                            $aCurrentSearch['aFullNameAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
+                                            $aSearch['iSearchRank'] += 1000; // skip;
+                                        }
+                                    } else {
+                                        $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
+                                        //$aSearch['iNamePhrase'] = $iPhrase;
+                                    }
+                                    if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                }
+                            }
+                        }
+                        // Look for partial matches.
+                        // Note that there is no point in adding country terms here
+                        // because country are omitted in the address.
+                        if (isset($aValidTokens[$sToken]) && $sPhraseType != 'country') {
+                            // Allow searching for a word - but at extra cost
+                            foreach ($aValidTokens[$sToken] as $aSearchTerm) {
+                                if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id']) {
+                                    if ((!$bStructuredPhrases || $iPhrase > 0) && sizeof($aCurrentSearch['aName']) && strpos($sToken, ' ') === false) {
+                                        $aSearch = $aCurrentSearch;
+                                        $aSearch['iSearchRank'] += 1;
+                                        if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency) {
+                                            $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
+                                            if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                        } elseif (isset($aValidTokens[' '.$sToken])) { // revert to the token version?
+                                            $aSearch['aAddressNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
+                                            $aSearch['iSearchRank'] += 1;
+                                            if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                            foreach ($aValidTokens[' '.$sToken] as $aSearchTermToken) {
+                                                if (empty($aSearchTermToken['country_code'])
+                                                    && empty($aSearchTermToken['lat'])
+                                                    && empty($aSearchTermToken['class'])
+                                                ) {
+                                                    $aSearch = $aCurrentSearch;
+                                                    $aSearch['iSearchRank'] += 1;
+                                                    $aSearch['aAddress'][$aSearchTermToken['word_id']] = $aSearchTermToken['word_id'];
+                                                    if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                                }
+                                            }
+                                        } else {
+                                            $aSearch['aAddressNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
+                                            if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
+                                            if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                        }
+                                    }
+
+                                    if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase) {
+                                        $aSearch = $aCurrentSearch;
+                                        $aSearch['iSearchRank'] += 1;
+                                        if (!sizeof($aCurrentSearch['aName'])) $aSearch['iSearchRank'] += 1;
+                                        if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
+                                        if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency) {
+                                            $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
+                                        } else {
+                                            $aSearch['aNameNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
+                                        }
+                                        $aSearch['iNamePhrase'] = $iPhrase;
+                                        if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                    }
+                                }
+                            }
+                        } else {
+                            // Allow skipping a word - but at EXTREAM cost
+                            //$aSearch = $aCurrentSearch;
+                            //$aSearch['iSearchRank']+=100;
+                            //$aNewWordsetSearches[] = $aSearch;
+                        }
+                    }
+                    // Sort and cut
+                    usort($aNewWordsetSearches, 'bySearchRank');
+                    $aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
+                }
+                //var_Dump('<hr>',sizeof($aWordsetSearches)); exit;
+
+                $aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
+                usort($aNewPhraseSearches, 'bySearchRank');
+
+                $aSearchHash = array();
+                foreach ($aNewPhraseSearches as $iSearch => $aSearch) {
+                    $sHash = serialize($aSearch);
+                    if (isset($aSearchHash[$sHash])) unset($aNewPhraseSearches[$iSearch]);
+                    else $aSearchHash[$sHash] = 1;
+                }
+
+                $aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
+            }
+
+            // Re-group the searches by their score, junk anything over 20 as just not worth trying
+            $aGroupedSearches = array();
+            foreach ($aNewPhraseSearches as $aSearch) {
+                if ($aSearch['iSearchRank'] < $this->iMaxRank) {
+                    if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
+                    $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
+                }
+            }
+            ksort($aGroupedSearches);
+
+            $iSearchCount = 0;
+            $aSearches = array();
+            foreach ($aGroupedSearches as $iScore => $aNewSearches) {
+                $iSearchCount += sizeof($aNewSearches);
+                $aSearches = array_merge($aSearches, $aNewSearches);
+                if ($iSearchCount > 50) break;
+            }
+
+            //if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
+        }
+        return $aGroupedSearches;
+    }
+
+    /* Perform the actual query lookup.
+
+        Returns an ordered list of results, each with the following fields:
+            osm_type: type of corresponding OSM object
+                        N - node
+                        W - way
+                        R - relation
+                        P - postcode (internally computed)
+            osm_id: id of corresponding OSM object
+            class: general object class (corresponds to tag key of primary OSM tag)
+            type: subclass of object (corresponds to tag value of primary OSM tag)
+            admin_level: see http://wiki.openstreetmap.org/wiki/Admin_level
+            rank_search: rank in search hierarchy
+                        (see also http://wiki.openstreetmap.org/wiki/Nominatim/Development_overview#Country_to_street_level)
+            rank_address: rank in address hierarchy (determines orer in address)
+            place_id: internal key (may differ between different instances)
+            country_code: ISO country code
+            langaddress: localized full address
+            placename: localized name of object
+            ref: content of ref tag (if available)
+            lon: longitude
+            lat: latitude
+            importance: importance of place based on Wikipedia link count
+            addressimportance: cumulated importance of address elements
+            extra_place: type of place (for admin boundaries, if there is a place tag)
+            aBoundingBox: bounding Box
+            label: short description of the object class/type (English only)
+            name: full name (currently the same as langaddress)
+            foundorder: secondary ordering for places with same importance
+    */
+
+
+    public function lookup()
+    {
+        if (!$this->sQuery && !$this->aStructuredQuery) return array();
+
+        $sNormQuery = $this->normTerm($this->sQuery);
+        $sLanguagePrefArraySQL = "ARRAY[".join(',', array_map("getDBQuoted", $this->aLangPrefOrder))."]";
+        $sCountryCodesSQL = false;
+        if ($this->aCountryCodes) {
+            $sCountryCodesSQL = join(',', array_map('addQuotes', $this->aCountryCodes));
+        }
+
+        $sQuery = $this->sQuery;
+        if (!preg_match('//u', $sQuery)) {
+            userError("Query string is not UTF-8 encoded.");
+        }
+
+        // Conflicts between US state abreviations and various words for 'the' in different languages
+        if (isset($this->aLangPrefOrder['name:en'])) {
+            $sQuery = preg_replace('/(^|,)\s*il\s*(,|$)/', '\1illinois\2', $sQuery);
+            $sQuery = preg_replace('/(^|,)\s*al\s*(,|$)/', '\1alabama\2', $sQuery);
+            $sQuery = preg_replace('/(^|,)\s*la\s*(,|$)/', '\1louisiana\2', $sQuery);
+        }
+
+        $bBoundingBoxSearch = $this->bBoundedSearch && $this->sViewboxSmallSQL;
+        if ($this->sViewboxCentreSQL) {
+            // For complex viewboxes (routes) precompute the bounding geometry
+            $sGeom = chksql(
+                $this->oDB->getOne("select ".$this->sViewboxSmallSQL),
+                "Could not get small viewbox"
+            );
+            $this->sViewboxSmallSQL = "'".$sGeom."'::geometry";
+
+            $sGeom = chksql(
+                $this->oDB->getOne("select ".$this->sViewboxLargeSQL),
+                "Could not get large viewbox"
+            );
+            $this->sViewboxLargeSQL = "'".$sGeom."'::geometry";
+        }
+
+        // Do we have anything that looks like a lat/lon pair?
+        $oNearPoint = false;
+        if ($aLooksLike = NearPoint::extractFromQuery($sQuery)) {
+            $oNearPoint = $aLooksLike['pt'];
+            $sQuery = $aLooksLike['query'];
+        }
+
+        $aSearchResults = array();
+        if ($sQuery || $this->aStructuredQuery) {
+            // Start with a blank search
+            $aSearches = array(
+                          array(
+                           'iSearchRank' => 0,
+                           'iNamePhrase' => -1,
+                           'sCountryCode' => false,
+                           'aName' => array(),
+                           'aAddress' => array(),
+                           'aFullNameAddress' => array(),
+                           'aNameNonSearch' => array(),
+                           'aAddressNonSearch' => array(),
+                           'sOperator' => '',
+                           'aFeatureName' => array(),
+                           'sClass' => '',
+                           'sType' => '',
+                           'sHouseNumber' => '',
+                           'sPostcode' => '',
+                           'oNear' => $oNearPoint
+                          )
+                         );
+
+            // Any 'special' terms in the search?
+            $bSpecialTerms = false;
+            preg_match_all('/\\[([\\w_]*)=([\\w_]*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
+            foreach ($aSpecialTermsRaw as $aSpecialTerm) {
+                $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
+                if (!$bSpecialTerms) {
+                    $aNewSearches = array();
+                    foreach ($aSearches as $aSearch) {
+                        $aNewSearch = $aSearch;
+                        $aNewSearch['sClass'] = $aSpecialTerm[1];
+                        $aNewSearch['sType'] = $aSpecialTerm[2];
+                        $aNewSearches[] = $aNewSearch;
+                    }
+
+                    $aSearches = $aNewSearches;
+                    $bSpecialTerms = true;
+                }
+            }
+
+            preg_match_all('/\\[([\\w ]*)\\]/u', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
+            if (isset($this->aStructuredQuery['amenity']) && $this->aStructuredQuery['amenity']) {
+                $aSpecialTermsRaw[] = array('['.$this->aStructuredQuery['amenity'].']', $this->aStructuredQuery['amenity']);
+                unset($this->aStructuredQuery['amenity']);
+            }
+
+            foreach ($aSpecialTermsRaw as $aSpecialTerm) {
+                $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
+                if ($bSpecialTerms) {
+                    continue;
+                }
+
+                $sToken = chksql($this->oDB->getOne("SELECT make_standard_name('".$aSpecialTerm[1]."') AS string"));
+                $sSQL = 'SELECT * ';
+                $sSQL .= 'FROM ( ';
+                $sSQL .= '   SELECT word_id, word_token, word, class, type, country_code, operator';
+                $sSQL .= '   FROM word ';
+                $sSQL .= '   WHERE word_token in (\' '.$sToken.'\')';
+                $sSQL .= ') AS x ';
+                $sSQL .= ' WHERE (class is not null AND class not in (\'place\'))';
+                if (CONST_Debug) var_Dump($sSQL);
+                $aSearchWords = chksql($this->oDB->getAll($sSQL));
+                $aNewSearches = array();
+                foreach ($aSearches as $aSearch) {
+                    foreach ($aSearchWords as $aSearchTerm) {
+                        $aNewSearch = $aSearch;
+                        $aNewSearch['sClass'] = $aSearchTerm['class'];
+                        $aNewSearch['sType'] = $aSearchTerm['type'];
+                        $aNewSearches[] = $aNewSearch;
+                        $bSpecialTerms = true;
+                    }
+                }
+                $aSearches = $aNewSearches;
+            }
+
+            // Split query into phrases
+            // Commas are used to reduce the search space by indicating where phrases split
+            if ($this->aStructuredQuery) {
+                $aPhrases = $this->aStructuredQuery;
+                $bStructuredPhrases = true;
+            } else {
+                $aPhrases = explode(',', $sQuery);
+                $bStructuredPhrases = false;
+            }
+
+            // Convert each phrase to standard form
+            // Create a list of standard words
+            // Get all 'sets' of words
+            // Generate a complete list of all
+            $aTokens = array();
+            foreach ($aPhrases as $iPhrase => $sPhrase) {
+                $aPhrase = chksql(
+                    $this->oDB->getRow("SELECT make_standard_name('".pg_escape_string($sPhrase)."') as string"),
+                    "Cannot normalize query string (is it a UTF-8 string?)"
+                );
+                if (trim($aPhrase['string'])) {
+                    $aPhrases[$iPhrase] = $aPhrase;
+                    $aPhrases[$iPhrase]['words'] = explode(' ', $aPhrases[$iPhrase]['string']);
+                    $aPhrases[$iPhrase]['wordsets'] = getWordSets($aPhrases[$iPhrase]['words'], 0);
+                    $aTokens = array_merge($aTokens, getTokensFromSets($aPhrases[$iPhrase]['wordsets']));
+                } else {
+                    unset($aPhrases[$iPhrase]);
+                }
+            }
+
+            // Reindex phrases - we make assumptions later on that they are numerically keyed in order
+            $aPhraseTypes = array_keys($aPhrases);
+            $aPhrases = array_values($aPhrases);
+
+            if (sizeof($aTokens)) {
+                // Check which tokens we have, get the ID numbers
+                $sSQL = 'SELECT word_id, word_token, word, class, type, country_code, operator, search_name_count';
+                $sSQL .= ' FROM word ';
+                $sSQL .= ' WHERE word_token in ('.join(',', array_map("getDBQuoted", $aTokens)).')';
+
+                if (CONST_Debug) var_Dump($sSQL);
+
+                $aValidTokens = array();
+                if (sizeof($aTokens)) {
+                    $aDatabaseWords = chksql(
+                        $this->oDB->getAll($sSQL),
+                        "Could not get word tokens."
+                    );
+                } else {
+                    $aDatabaseWords = array();
+                }
+                $aPossibleMainWordIDs = array();
+                $aWordFrequencyScores = array();
+                foreach ($aDatabaseWords as $aToken) {
+                    // Very special case - require 2 letter country param to match the country code found
+                    if ($bStructuredPhrases && $aToken['country_code'] && !empty($this->aStructuredQuery['country'])
+                        && strlen($this->aStructuredQuery['country']) == 2 && strtolower($this->aStructuredQuery['country']) != $aToken['country_code']
+                    ) {
+                        continue;
+                    }
+
+                    if (isset($aValidTokens[$aToken['word_token']])) {
+                        $aValidTokens[$aToken['word_token']][] = $aToken;
+                    } else {
+                        $aValidTokens[$aToken['word_token']] = array($aToken);
+                    }
+                    if (!$aToken['class'] && !$aToken['country_code']) $aPossibleMainWordIDs[$aToken['word_id']] = 1;
+                    $aWordFrequencyScores[$aToken['word_id']] = $aToken['search_name_count'] + 1;
+                }
+                if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
+
+                // US ZIP+4 codes - if there is no token, merge in the 5-digit ZIP code
+                foreach ($aTokens as $sToken) {
+                    if (!isset($aValidTokens[$sToken]) && preg_match('/^([0-9]{5}) [0-9]{4}$/', $sToken, $aData)) {
+                        if (isset($aValidTokens[$aData[1]])) {
+                            foreach ($aValidTokens[$aData[1]] as $aToken) {
+                                if (!$aToken['class']) {
+                                    if (isset($aValidTokens[$sToken])) {
+                                        $aValidTokens[$sToken][] = $aToken;
+                                    } else {
+                                        $aValidTokens[$sToken] = array($aToken);
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+
+                foreach ($aTokens as $sToken) {
+                    // Unknown single word token with a number - assume it is a house number
+                    if (!isset($aValidTokens[' '.$sToken]) && strpos($sToken, ' ') === false && preg_match('/[0-9]/', $sToken)) {
+                        $aValidTokens[' '.$sToken] = array(array('class' => 'place', 'type' => 'house'));
+                    }
+                }
+
+                // Any words that have failed completely?
+                // TODO: suggestions
+
+                // Start the search process
+                // array with: placeid => -1 | tiger-housenumber
+                $aResultPlaceIDs = array();
+
+                $aGroupedSearches = $this->getGroupedSearches($aSearches, $aPhraseTypes, $aPhrases, $aValidTokens, $aWordFrequencyScores, $bStructuredPhrases, $sNormQuery);
+
+                if ($this->bReverseInPlan) {
+                    // Reverse phrase array and also reverse the order of the wordsets in
+                    // the first and final phrase. Don't bother about phrases in the middle
+                    // because order in the address doesn't matter.
+                    $aPhrases = array_reverse($aPhrases);
+                    $aPhrases[0]['wordsets'] = getInverseWordSets($aPhrases[0]['words'], 0);
+                    if (sizeof($aPhrases) > 1) {
+                        $aFinalPhrase = end($aPhrases);
+                        $aPhrases[sizeof($aPhrases)-1]['wordsets'] = getInverseWordSets($aFinalPhrase['words'], 0);
+                    }
+                    $aReverseGroupedSearches = $this->getGroupedSearches($aSearches, null, $aPhrases, $aValidTokens, $aWordFrequencyScores, false, $sNormQuery);
+
+                    foreach ($aGroupedSearches as $aSearches) {
+                        foreach ($aSearches as $aSearch) {
+                            if ($aSearch['iSearchRank'] < $this->iMaxRank) {
+                                if (!isset($aReverseGroupedSearches[$aSearch['iSearchRank']])) $aReverseGroupedSearches[$aSearch['iSearchRank']] = array();
+                                $aReverseGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
+                            }
+                        }
+                    }
+
+                    $aGroupedSearches = $aReverseGroupedSearches;
+                    ksort($aGroupedSearches);
+                }
+            } else {
+                // Re-group the searches by their score, junk anything over 20 as just not worth trying
+                $aGroupedSearches = array();
+                foreach ($aSearches as $aSearch) {
+                    if ($aSearch['iSearchRank'] < $this->iMaxRank) {
+                        if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
+                        $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
+                    }
+                }
+                ksort($aGroupedSearches);
+            }
+
+            if (CONST_Search_TryDroppedAddressTerms && sizeof($this->aStructuredQuery) > 0) {
+                $aCopyGroupedSearches = $aGroupedSearches;
+                foreach ($aCopyGroupedSearches as $iGroup => $aSearches) {
+                    foreach ($aSearches as $iSearch => $aSearch) {
+                        $aReductionsList = array($aSearch['aAddress']);
+                        $iSearchRank = $aSearch['iSearchRank'];
+                        while (sizeof($aReductionsList) > 0) {
+                            $iSearchRank += 5;
+                            if ($iSearchRank > iMaxRank) break 3;
+                            $aNewReductionsList = array();
+                            foreach ($aReductionsList as $aReductionsWordList) {
+                                for ($iReductionWord = 0; $iReductionWord < sizeof($aReductionsWordList); $iReductionWord++) {
+                                    $aReductionsWordListResult = array_merge(array_slice($aReductionsWordList, 0, $iReductionWord), array_slice($aReductionsWordList, $iReductionWord+1));
+                                    $aReverseSearch = $aSearch;
+                                    $aSearch['aAddress'] = $aReductionsWordListResult;
+                                    $aSearch['iSearchRank'] = $iSearchRank;
+                                    $aGroupedSearches[$iSearchRank][] = $aReverseSearch;
+                                    if (sizeof($aReductionsWordListResult) > 0) {
+                                        $aNewReductionsList[] = $aReductionsWordListResult;
+                                    }
+                                }
+                            }
+                            $aReductionsList = $aNewReductionsList;
+                        }
+                    }
+                }
+                ksort($aGroupedSearches);
+            }
+
+            // Filter out duplicate searches
+            $aSearchHash = array();
+            foreach ($aGroupedSearches as $iGroup => $aSearches) {
+                foreach ($aSearches as $iSearch => $aSearch) {
+                    $sHash = serialize($aSearch);
+                    if (isset($aSearchHash[$sHash])) {
+                        unset($aGroupedSearches[$iGroup][$iSearch]);
+                        if (sizeof($aGroupedSearches[$iGroup]) == 0) unset($aGroupedSearches[$iGroup]);
+                    } else {
+                        $aSearchHash[$sHash] = 1;
+                    }
+                }
+            }
+
+            if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
+
+            $iGroupLoop = 0;
+            $iQueryLoop = 0;
+            foreach ($aGroupedSearches as $iGroupedRank => $aSearches) {
+                $iGroupLoop++;
+                foreach ($aSearches as $aSearch) {
+                    $iQueryLoop++;
+                    $searchedHousenumber = -1;
+
+                    if (CONST_Debug) echo "<hr><b>Search Loop, group $iGroupLoop, loop $iQueryLoop</b>";
+                    if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
+
+                    if ($sCountryCodesSQL && $aSearch['sCountryCode'] && !in_array($aSearch['sCountryCode'], $this->aCountryCodes)) {
+                        continue;
+                    }
+
+                    // No location term?
+                    if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['oNear']) {
+                        if ($aSearch['sCountryCode'] && !$aSearch['sClass'] && !$aSearch['sHouseNumber']) {
+                            // Just looking for a country by code - look it up
+                            if (4 >= $this->iMinAddressRank && 4 <= $this->iMaxAddressRank) {
+                                $sSQL = "SELECT place_id FROM placex WHERE country_code='".$aSearch['sCountryCode']."' AND rank_search = 4";
+                                if ($bBoundingBoxSearch)
+                                    $sSQL .= " AND _st_intersects($this->sViewboxSmallSQL, geometry)";
+                                $sSQL .= " ORDER BY st_area(geometry) DESC LIMIT 1";
+                                if (CONST_Debug) var_dump($sSQL);
+                                $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
+                            } else {
+                                $aPlaceIDs = array();
+                            }
+                        } else {
+                            if (!$bBoundingBoxSearch && !$aSearch['oNear']) continue;
+                            if (!$aSearch['sClass']) continue;
+
+                            $sSQL = "SELECT COUNT(*) FROM pg_tables WHERE tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
+                            if (chksql($this->oDB->getOne($sSQL))) {
+                                $sSQL = "SELECT place_id FROM place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
+                                if ($sCountryCodesSQL) $sSQL .= " JOIN placex USING (place_id)";
+                                $sSQL .= " WHERE st_contains($this->sViewboxSmallSQL, ct.centroid)";
+                                if ($sCountryCodesSQL) $sSQL .= " AND country_code in ($sCountryCodesSQL)";
+                                if (sizeof($this->aExcludePlaceIDs)) {
+                                    $sSQL .= " AND place_id not in (".join(',', $this->aExcludePlaceIDs).")";
+                                }
+                                if ($this->sViewboxCentreSQL) $sSQL .= " ORDER BY ST_Distance($this->sViewboxCentreSQL, ct.centroid) ASC";
+                                $sSQL .= " limit $this->iLimit";
+                                if (CONST_Debug) var_dump($sSQL);
+                                $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
+
+                                // If excluded place IDs are given, it is fair to assume that
+                                // there have been results in the small box, so no further
+                                // expansion in that case.
+                                // Also don't expand if bounded results were requested.
+                                if (!sizeof($aPlaceIDs) && !sizeof($this->aExcludePlaceIDs) && !$this->bBoundedSearch) {
+                                    $sSQL = "SELECT place_id FROM place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
+                                    if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
+                                    $sSQL .= " WHERE ST_Contains($this->sViewboxLargeSQL, ct.centroid)";
+                                    if ($sCountryCodesSQL) $sSQL .= " AND country_code in ($sCountryCodesSQL)";
+                                    if ($this->sViewboxCentreSQL) $sSQL .= " ORDER BY ST_Distance($this->sViewboxCentreSQL, ct.centroid) ASC";
+                                    $sSQL .= " LIMIT $this->iLimit";
+                                    if (CONST_Debug) var_dump($sSQL);
+                                    $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
+                                }
+                            } else {
+                                $sSQL = "SELECT place_id ";
+                                $sSQL .= "FROM placex ";
+                                $sSQL .= "WHERE class='".$aSearch['sClass']."' ";
+                                $sSQL .= "  AND type='".$aSearch['sType']."'";
+                                $sSQL .= "  AND ST_Contains($this->sViewboxSmallSQL, geometry) ";
+                                $sSQL .= "  AND linked_place_id is null";
+                                if ($sCountryCodesSQL) $sSQL .= " AND country_code in ($sCountryCodesSQL)";
+                                if ($this->sViewboxCentreSQL)   $sSQL .= " ORDER BY ST_Distance($this->sViewboxCentreSQL, centroid) ASC";
+                                $sSQL .= " LIMIT $this->iLimit";
+                                if (CONST_Debug) var_dump($sSQL);
+                                $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
+                            }
+                        }
+                    } elseif ($aSearch['oNear'] && !sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['sClass']) {
+                        // If a coordinate is given, the search must either
+                        // be for a name or a special search. Ignore everythin else.
+                        $aPlaceIDs = array();
+                    } elseif ($aSearch['sOperator'] == 'postcode') {
+                        $sSQL  = "SELECT p.place_id FROM location_postcode p ";
+                        if (sizeof($aSearch['aAddress'])) {
+                            $sSQL .= ", search_name s ";
+                            $sSQL .= "WHERE s.place_id = p.parent_place_id ";
+                            $sSQL .= "AND array_cat(s.nameaddress_vector, s.name_vector) @> ARRAY[".join($aSearch['aAddress'], ",")."] AND ";
+                        } else {
+                            $sSQL .= " WHERE ";
+                        }
+                        $sSQL .= "p.postcode = '".pg_escape_string(reset($aSearch['aName']))."'";
+                        if ($aSearch['sCountryCode']) {
+                            $sSQL .= " AND p.country_code = '".$aSearch['sCountryCode']."'";
+                        } elseif ($sCountryCodesSQL) {
+                            $sSQL .= " AND p.country_code in ($sCountryCodesSQL)";
+                        }
+                        $sSQL .= " LIMIT $this->iLimit";
+                        if (CONST_Debug) var_dump($sSQL);
+                        $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
+                    } else {
+                        $aPlaceIDs = array();
+
+                        // First we need a position, either aName or fLat or both
+                        $aTerms = array();
+                        $aOrder = array();
+
+                        if ($aSearch['sHouseNumber'] && sizeof($aSearch['aAddress'])) {
+                            $sHouseNumberRegex = '\\\\m'.$aSearch['sHouseNumber'].'\\\\M';
+                            $aOrder[] = "";
+                            $aOrder[0] = "  (";
+                            $aOrder[0] .= "   EXISTS(";
+                            $aOrder[0] .= "     SELECT place_id ";
+                            $aOrder[0] .= "     FROM placex ";
+                            $aOrder[0] .= "     WHERE parent_place_id = search_name.place_id";
+                            $aOrder[0] .= "       AND transliteration(housenumber) ~* E'".$sHouseNumberRegex."' ";
+                            $aOrder[0] .= "     LIMIT 1";
+                            $aOrder[0] .= "   ) ";
+                            // also housenumbers from interpolation lines table are needed
+                            $aOrder[0] .= "   OR EXISTS(";
+                            $aOrder[0] .= "     SELECT place_id ";
+                            $aOrder[0] .= "     FROM location_property_osmline ";
+                            $aOrder[0] .= "     WHERE parent_place_id = search_name.place_id";
+                            $aOrder[0] .= "       AND startnumber is not NULL";
+                            $aOrder[0] .= "       AND ".intval($aSearch['sHouseNumber']).">=startnumber ";
+                            $aOrder[0] .= "       AND ".intval($aSearch['sHouseNumber'])."<=endnumber ";
+                            $aOrder[0] .= "     LIMIT 1";
+                            $aOrder[0] .= "   )";
+                            $aOrder[0] .= " )";
+                            $aOrder[0] .= " DESC";
+                        }
+
+                        // TODO: filter out the pointless search terms (2 letter name tokens and less)
+                        // they might be right - but they are just too darned expensive to run
+                        if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'], ",")."]";
+                        if (sizeof($aSearch['aNameNonSearch'])) $aTerms[] = "array_cat(name_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aNameNonSearch'], ",")."]";
+                        if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress']) {
+                            // For infrequent name terms disable index usage for address
+                            if (CONST_Search_NameOnlySearchFrequencyThreshold
+                                && sizeof($aSearch['aName']) == 1
+                                && $aWordFrequencyScores[$aSearch['aName'][reset($aSearch['aName'])]] < CONST_Search_NameOnlySearchFrequencyThreshold
+                            ) {
+                                $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join(array_merge($aSearch['aAddress'], $aSearch['aAddressNonSearch']), ",")."]";
+                            } else {
+                                $aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'], ",")."]";
+                                if (sizeof($aSearch['aAddressNonSearch'])) {
+                                    $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aAddressNonSearch'], ",")."]";
+                                }
+                            }
+                        }
+                        if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
+                        if ($aSearch['sHouseNumber']) {
+                            $aTerms[] = "address_rank between 16 and 27";
+                        } elseif (!$aSearch['sClass'] || $aSearch['sOperator'] == 'name') {
+                            if ($this->iMinAddressRank > 0) {
+                                $aTerms[] = "address_rank >= ".$this->iMinAddressRank;
+                            }
+                            if ($this->iMaxAddressRank < 30) {
+                                $aTerms[] = "address_rank <= ".$this->iMaxAddressRank;
+                            }
+                        }
+                        if ($aSearch['oNear']) {
+                            $aTerms[] = $aSearch['oNear']->withinSQL('centroid');
+
+                            $aOrder[] = $aSearch['oNear']->distanceSQL('centroid');
+                        } elseif ($aSearch['sPostcode']) {
+                            if (!sizeof($aSearch['aAddress'])) {
+                                $aTerms[] = "EXISTS(SELECT place_id FROM location_postcode p WHERE p.postcode = '".$aSearch['sPostcode']."' AND ST_DWithin(search_name.centroid, p.geometry, 0.1))";
+                            } else {
+                                $aOrder[] = "(SELECT min(ST_Distance(search_name.centroid, p.geometry)) FROM location_postcode p WHERE p.postcode = '".$aSearch['sPostcode']."')";
+                            }
+                        }
+                        if (sizeof($this->aExcludePlaceIDs)) {
+                            $aTerms[] = "place_id not in (".join(',', $this->aExcludePlaceIDs).")";
+                        }
+                        if ($sCountryCodesSQL) {
+                            $aTerms[] = "country_code in ($sCountryCodesSQL)";
+                        }
+
+                        if ($bBoundingBoxSearch) $aTerms[] = "centroid && $this->sViewboxSmallSQL";
+                        if ($oNearPoint) {
+                            $aOrder[] = $oNearPoint->distanceSQL('centroid');
+                        }
+
+                        if ($aSearch['sHouseNumber']) {
+                            $sImportanceSQL = '- abs(26 - address_rank) + 3';
+                        } else {
+                            $sImportanceSQL = '(CASE WHEN importance = 0 OR importance IS NULL THEN 0.75-(search_rank::float/40) ELSE importance END)';
+                        }
+                        if ($this->sViewboxSmallSQL) $sImportanceSQL .= " * CASE WHEN ST_Contains($this->sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END";
+                        if ($this->sViewboxLargeSQL) $sImportanceSQL .= " * CASE WHEN ST_Contains($this->sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END";
+
+                        $aOrder[] = "$sImportanceSQL DESC";
+                        if (sizeof($aSearch['aFullNameAddress'])) {
+                            $sExactMatchSQL = ' ( ';
+                            $sExactMatchSQL .= '   SELECT count(*) FROM ( ';
+                            $sExactMatchSQL .= '      SELECT unnest(ARRAY['.join($aSearch['aFullNameAddress'], ",").']) ';
+                            $sExactMatchSQL .= '      INTERSECT ';
+                            $sExactMatchSQL .= '      SELECT unnest(nameaddress_vector)';
+                            $sExactMatchSQL .= '   ) s';
+                            $sExactMatchSQL .= ') as exactmatch';
+                            $aOrder[] = 'exactmatch DESC';
+                        } else {
+                            $sExactMatchSQL = '0::int as exactmatch';
+                        }
+
+                        if (sizeof($aTerms)) {
+                            $sSQL = "SELECT place_id, ";
+                            $sSQL .= $sExactMatchSQL;
+                            $sSQL .= " FROM search_name";
+                            $sSQL .= " WHERE ".join(' and ', $aTerms);
+                            $sSQL .= " ORDER BY ".join(', ', $aOrder);
+                            if ($aSearch['sHouseNumber'] || $aSearch['sClass']) {
+                                $sSQL .= " LIMIT 20";
+                            } elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass']) {
+                                $sSQL .= " LIMIT 1";
+                            } else {
+                                $sSQL .= " LIMIT ".$this->iLimit;
+                            }
+
+                            if (CONST_Debug) var_dump($sSQL);
+                            $aViewBoxPlaceIDs = chksql(
+                                $this->oDB->getAll($sSQL),
+                                "Could not get places for search terms."
+                            );
+                            //var_dump($aViewBoxPlaceIDs);
+                            // Did we have an viewbox matches?
+                            $aPlaceIDs = array();
+                            $bViewBoxMatch = false;
+                            foreach ($aViewBoxPlaceIDs as $aViewBoxRow) {
+                                //if ($bViewBoxMatch == 1 && $aViewBoxRow['in_small'] == 'f') break;
+                                //if ($bViewBoxMatch == 2 && $aViewBoxRow['in_large'] == 'f') break;
+                                //if ($aViewBoxRow['in_small'] == 't') $bViewBoxMatch = 1;
+                                //else if ($aViewBoxRow['in_large'] == 't') $bViewBoxMatch = 2;
+                                $aPlaceIDs[] = $aViewBoxRow['place_id'];
+                                $this->exactMatchCache[$aViewBoxRow['place_id']] = $aViewBoxRow['exactmatch'];
+                            }
+                        }
+                        //var_Dump($aPlaceIDs);
+                        //exit;
+
+                        //now search for housenumber, if housenumber provided
+                        if ($aSearch['sHouseNumber'] && sizeof($aPlaceIDs)) {
+                            $searchedHousenumber = intval($aSearch['sHouseNumber']);
+                            $aRoadPlaceIDs = $aPlaceIDs;
+                            $sPlaceIDs = join(',', $aPlaceIDs);
+
+                            // Now they are indexed, look for a house attached to a street we found
+                            $sHouseNumberRegex = '\\\\m'.$aSearch['sHouseNumber'].'\\\\M';
+                            $sSQL = "SELECT place_id FROM placex ";
+                            $sSQL .= "WHERE parent_place_id in (".$sPlaceIDs.") and transliteration(housenumber) ~* E'".$sHouseNumberRegex."'";
+                            if (sizeof($this->aExcludePlaceIDs)) {
+                                $sSQL .= " AND place_id not in (".join(',', $this->aExcludePlaceIDs).")";
+                            }
+                            $sSQL .= " LIMIT $this->iLimit";
+                            if (CONST_Debug) var_dump($sSQL);
+                            $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
+
+                            // if nothing found, search in the interpolation line table
+                            if (!sizeof($aPlaceIDs)) {
+                                // do we need to use transliteration and the regex for housenumbers???
+                                //new query for lines, not housenumbers anymore
+                                $sSQL = "SELECT distinct place_id FROM location_property_osmline";
+                                $sSQL .= " WHERE startnumber is not NULL and parent_place_id in (".$sPlaceIDs.") and (";
+                                if ($searchedHousenumber%2 == 0) {
+                                    //if housenumber is even, look for housenumber in streets with interpolationtype even or all
+                                    $sSQL .= "interpolationtype='even'";
+                                } else {
+                                    //look for housenumber in streets with interpolationtype odd or all
+                                    $sSQL .= "interpolationtype='odd'";
+                                }
+                                $sSQL .= " or interpolationtype='all') and ";
+                                $sSQL .= $searchedHousenumber.">=startnumber and ";
+                                $sSQL .= $searchedHousenumber."<=endnumber";
+
+                                if (sizeof($this->aExcludePlaceIDs)) {
+                                    $sSQL .= " AND place_id not in (".join(',', $this->aExcludePlaceIDs).")";
+                                }
+                                //$sSQL .= " limit $this->iLimit";
+                                if (CONST_Debug) var_dump($sSQL);
+                                //get place IDs
+                                $aPlaceIDs = chksql($this->oDB->getCol($sSQL, 0));
+                            }
+
+                            // If nothing found try the aux fallback table
+                            if (CONST_Use_Aux_Location_data && !sizeof($aPlaceIDs)) {
+                                $sSQL = "SELECT place_id FROM location_property_aux ";
+                                $sSQL .= " WHERE parent_place_id in (".$sPlaceIDs.") ";
+                                $sSQL .= " AND housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
+                                if (sizeof($this->aExcludePlaceIDs)) {
+                                    $sSQL .= " AND parent_place_id not in (".join(',', $this->aExcludePlaceIDs).")";
+                                }
+                                //$sSQL .= " limit $this->iLimit";
+                                if (CONST_Debug) var_dump($sSQL);
+                                $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
+                            }
+
+                            //if nothing was found in placex or location_property_aux, then search in Tiger data for this housenumber(location_property_tiger)
+                            if (CONST_Use_US_Tiger_Data && !sizeof($aPlaceIDs)) {
+                                $sSQL = "SELECT distinct place_id FROM location_property_tiger";
+                                $sSQL .= " WHERE parent_place_id in (".$sPlaceIDs.") and (";
+                                if ($searchedHousenumber%2 == 0) {
+                                    $sSQL .= "interpolationtype='even'";
+                                } else {
+                                    $sSQL .= "interpolationtype='odd'";
+                                }
+                                $sSQL .= " or interpolationtype='all') and ";
+                                $sSQL .= $searchedHousenumber.">=startnumber and ";
+                                $sSQL .= $searchedHousenumber."<=endnumber";
+
+                                if (sizeof($this->aExcludePlaceIDs)) {
+                                    $sSQL .= " AND place_id not in (".join(',', $this->aExcludePlaceIDs).")";
+                                }
+                                //$sSQL .= " limit $this->iLimit";
+                                if (CONST_Debug) var_dump($sSQL);
+                                //get place IDs
+                                $aPlaceIDs = chksql($this->oDB->getCol($sSQL, 0));
+                            }
+
+                            // Fallback to the road (if no housenumber was found)
+                            if (!sizeof($aPlaceIDs) && preg_match('/[0-9]+/', $aSearch['sHouseNumber'])) {
+                                $aPlaceIDs = $aRoadPlaceIDs;
+                                //set to -1, if no housenumbers were found
+                                $searchedHousenumber = -1;
+                            }
+                            //else: housenumber was found, remains saved in searchedHousenumber
+                        }
+
+
+                        if ($aSearch['sClass'] && sizeof($aPlaceIDs)) {
+                            $sPlaceIDs = join(',', $aPlaceIDs);
+                            $aClassPlaceIDs = array();
+
+                            if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name') {
+                                // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
+                                $sSQL = "SELECT place_id ";
+                                $sSQL .= " FROM placex ";
+                                $sSQL .= " WHERE place_id in ($sPlaceIDs) ";
+                                $sSQL .= "   AND class='".$aSearch['sClass']."' ";
+                                $sSQL .= "   AND type='".$aSearch['sType']."'";
+                                $sSQL .= "   AND linked_place_id is null";
+                                if ($sCountryCodesSQL) $sSQL .= " AND country_code in ($sCountryCodesSQL)";
+                                $sSQL .= " ORDER BY rank_search ASC ";
+                                $sSQL .= " LIMIT $this->iLimit";
+                                if (CONST_Debug) var_dump($sSQL);
+                                $aClassPlaceIDs = chksql($this->oDB->getCol($sSQL));
+                            }
+
+                            if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') { // & in
+                                $sClassTable = 'place_classtype_'.$aSearch['sClass'].'_'.$aSearch['sType'];
+                                $sSQL = "SELECT count(*) FROM pg_tables ";
+                                $sSQL .= "WHERE tablename = '$sClassTable'";
+                                $bCacheTable = chksql($this->oDB->getOne($sSQL));
+
+                                $sSQL = "SELECT min(rank_search) FROM placex WHERE place_id in ($sPlaceIDs)";
+
+                                if (CONST_Debug) var_dump($sSQL);
+                                $this->iMaxRank = ((int)chksql($this->oDB->getOne($sSQL)));
+
+                                // For state / country level searches the normal radius search doesn't work very well
+                                $sPlaceGeom = false;
+                                if ($this->iMaxRank < 9 && $bCacheTable) {
+                                    // Try and get a polygon to search in instead
+                                    $sSQL = "SELECT geometry ";
+                                    $sSQL .= " FROM placex";
+                                    $sSQL .= " WHERE place_id in ($sPlaceIDs)";
+                                    $sSQL .= "   AND rank_search < $this->iMaxRank + 5";
+                                    $sSQL .= "   AND ST_Geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon')";
+                                    $sSQL .= " ORDER BY rank_search ASC ";
+                                    $sSQL .= " LIMIT 1";
+                                    if (CONST_Debug) var_dump($sSQL);
+                                    $sPlaceGeom = chksql($this->oDB->getOne($sSQL));
+                                }
+
+                                if ($sPlaceGeom) {
+                                    $sPlaceIDs = false;
+                                } else {
+                                    $this->iMaxRank += 5;
+                                    $sSQL = "SELECT place_id FROM placex WHERE place_id in ($sPlaceIDs) and rank_search < $this->iMaxRank";
+                                    if (CONST_Debug) var_dump($sSQL);
+                                    $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
+                                    $sPlaceIDs = join(',', $aPlaceIDs);
+                                }
+
+                                if ($sPlaceIDs || $sPlaceGeom) {
+                                    $fRange = 0.01;
+                                    if ($bCacheTable) {
+                                        // More efficient - can make the range bigger
+                                        $fRange = 0.05;
+
+                                        $sOrderBySQL = '';
+                                        if ($oNearPoint) {
+                                            $sOrderBySQL = $oNearPoint->distanceSQL('l.centroid');
+                                        } elseif ($sPlaceIDs) {
+                                            $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
+                                        } elseif ($sPlaceGeom) {
+                                            $sOrderBySQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
+                                        }
+
+                                        $sSQL = "select distinct i.place_id".($sOrderBySQL?', i.order_term':'')." from (";
+                                        $sSQL .= "select l.place_id".($sOrderBySQL?','.$sOrderBySQL.' as order_term':'')." from ".$sClassTable." as l";
+                                        if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";
+                                        if ($sPlaceIDs) {
+                                            $sSQL .= ",placex as f where ";
+                                            $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, f.centroid, $fRange) ";
+                                        }
+                                        if ($sPlaceGeom) {
+                                            $sSQL .= " where ";
+                                            $sSQL .= "ST_Contains('".$sPlaceGeom."', l.centroid) ";
+                                        }
+                                        if (sizeof($this->aExcludePlaceIDs)) {
+                                            $sSQL .= " and l.place_id not in (".join(',', $this->aExcludePlaceIDs).")";
+                                        }
+                                        if ($sCountryCodesSQL) $sSQL .= " and lp.country_code in ($sCountryCodesSQL)";
+                                        $sSQL .= 'limit 300) i ';
+                                        if ($sOrderBySQL) $sSQL .= "order by order_term asc";
+                                        if ($this->iOffset) $sSQL .= " offset $this->iOffset";
+                                        $sSQL .= " limit $this->iLimit";
+                                        if (CONST_Debug) var_dump($sSQL);
+                                        $aClassPlaceIDs = array_merge($aClassPlaceIDs, chksql($this->oDB->getCol($sSQL)));
+                                    } else {
+                                        if ($aSearch['oNear']) {
+                                            $fRange = $aSearch['oNear']->radius();
+                                        }
+
+                                        $sOrderBySQL = '';
+                                        if ($oNearPoint) {
+                                            $sOrderBySQL = $oNearPoint->distanceSQL('l.geometry');
+                                        } else {
+                                            $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
+                                        }
+
+                                        $sSQL = "SELECT distinct l.place_id".($sOrderBySQL?','.$sOrderBySQL:'');
+                                        $sSQL .= " FROM placex as l, placex as f ";
+                                        $sSQL .= " WHERE f.place_id in ($sPlaceIDs) ";
+                                        $sSQL .= "  AND ST_DWithin(l.geometry, f.centroid, $fRange) ";
+                                        $sSQL .= "  AND l.class='".$aSearch['sClass']."' ";
+                                        $sSQL .= "  AND l.type='".$aSearch['sType']."' ";
+                                        if (sizeof($this->aExcludePlaceIDs)) {
+                                            $sSQL .= " AND l.place_id not in (".join(',', $this->aExcludePlaceIDs).")";
+                                        }
+                                        if ($sCountryCodesSQL) $sSQL .= " AND l.country_code in ($sCountryCodesSQL)";
+                                        if ($sOrderBySQL) $sSQL .= "ORDER BY ".$sOrderBySQL." ASC";
+                                        if ($this->iOffset) $sSQL .= " OFFSET $this->iOffset";
+                                        $sSQL .= " limit $this->iLimit";
+                                        if (CONST_Debug) var_dump($sSQL);
+                                        $aClassPlaceIDs = array_merge($aClassPlaceIDs, chksql($this->oDB->getCol($sSQL)));
+                                    }
+                                }
+                            }
+                            $aPlaceIDs = $aClassPlaceIDs;
+                        }
+                    }
+
+                    if (CONST_Debug) {
+                        echo "<br><b>Place IDs:</b> ";
+                        var_Dump($aPlaceIDs);
+                    }
+
+                    if (sizeof($aPlaceIDs) && $aSearch['sPostcode']) {
+                        $sSQL = 'SELECT place_id FROM placex';
+                        $sSQL .= ' WHERE place_id in ('.join(',', $aPlaceIDs).')';
+                        $sSQL .= " AND postcode = '".pg_escape_string($aSearch['sPostcode'])."'";
+                        if (CONST_Debug) var_dump($sSQL);
+                        $aFilteredPlaceIDs = chksql($this->oDB->getCol($sSQL));
+                        if ($aFilteredPlaceIDs) {
+                            $aPlaceIDs = $aFilteredPlaceIDs;
+                            if (CONST_Debug) {
+                                echo "<br><b>Place IDs after postcode filtering:</b> ";
+                                var_Dump($aPlaceIDs);
+                            }
+                        }
+                    }
+
+                    foreach ($aPlaceIDs as $iPlaceID) {
+                        // array for placeID => -1 | Tiger housenumber
+                        $aResultPlaceIDs[$iPlaceID] = $searchedHousenumber;
+                    }
+                    if ($iQueryLoop > 20) break;
+                }
+
+                if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs) && ($this->iMinAddressRank != 0 || $this->iMaxAddressRank != 30)) {
+                    // Need to verify passes rank limits before dropping out of the loop (yuk!)
+                    // reduces the number of place ids, like a filter
+                    // rank_address is 30 for interpolated housenumbers
+                    $sSQL = "SELECT place_id ";
+                    $sSQL .= "FROM placex ";
+                    $sSQL .= "WHERE place_id in (".join(',', array_keys($aResultPlaceIDs)).") ";
+                    $sSQL .= "  AND (";
+                    $sSQL .= "         placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
+                    if (14 >= $this->iMinAddressRank && 14 <= $this->iMaxAddressRank) {
+                        $sSQL .= "     OR (extratags->'place') = 'city'";
+                    }
+                    if ($this->aAddressRankList) {
+                        $sSQL .= "     OR placex.rank_address in (".join(',', $this->aAddressRankList).")";
+                    }
+                    if (CONST_Use_US_Tiger_Data) {
+                        $sSQL .= "  ) ";
+                        $sSQL .= "UNION ";
+                        $sSQL .= "  SELECT place_id ";
+                        $sSQL .= "  FROM location_property_tiger ";
+                        $sSQL .= "  WHERE place_id in (".join(',', array_keys($aResultPlaceIDs)).") ";
+                        $sSQL .= "    AND (30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
+                        if ($this->aAddressRankList) $sSQL .= " OR 30 in (".join(',', $this->aAddressRankList).")";
+                    }
+                    $sSQL .= ") UNION ";
+                    $sSQL .= "  SELECT place_id ";
+                    $sSQL .= "  FROM location_property_osmline ";
+                    $sSQL .= "  WHERE place_id in (".join(',', array_keys($aResultPlaceIDs)).")";
+                    $sSQL .= "    AND startnumber is not NULL AND (30 between $this->iMinAddressRank and $this->iMaxAddressRank)";
+                    if (CONST_Debug) var_dump($sSQL);
+                    $aFilteredPlaceIDs = chksql($this->oDB->getCol($sSQL));
+                    $tempIDs = array();
+                    foreach ($aFilteredPlaceIDs as $placeID) {
+                        $tempIDs[$placeID] = $aResultPlaceIDs[$placeID];  //assign housenumber to placeID
+                    }
+                    $aResultPlaceIDs = $tempIDs;
+                }
+
+                //exit;
+                if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs)) break;
+                if ($iGroupLoop > 4) break;
+                if ($iQueryLoop > 30) break;
+            }
+
+            // Did we find anything?
+            if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs)) {
+                $aSearchResults = $this->getDetails($aResultPlaceIDs);
+            }
+        } else {
+            // Just interpret as a reverse geocode
+            $oReverse = new ReverseGeocode($this->oDB);
+            $oReverse->setZoom(18);
+
+            $aLookup = $oReverse->lookup(
+                $oNearPoint->lat(),
+                $oNearPoint->lon(),
+                false
+            );
+
+            if (CONST_Debug) var_dump("Reverse search", $aLookup);
+
+            if ($aLookup['place_id']) {
+                $aSearchResults = $this->getDetails(array($aLookup['place_id'] => -1));
+                $aResultPlaceIDs[$aLookup['place_id']] = -1;
+            } else {
+                $aSearchResults = array();
+            }
+        }
+
+        // No results? Done
+        if (!sizeof($aSearchResults)) {
+            if ($this->bFallback) {
+                if ($this->fallbackStructuredQuery()) {
+                    return $this->lookup();
+                }
+            }
+
+            return array();
+        }
+
+        $aClassType = getClassTypesWithImportance();
+        $aRecheckWords = preg_split('/\b[\s,\\-]*/u', $sQuery);
+        foreach ($aRecheckWords as $i => $sWord) {
+            if (!preg_match('/[\pL\pN]/', $sWord)) unset($aRecheckWords[$i]);
+        }
+
+        if (CONST_Debug) {
+            echo '<i>Recheck words:<\i>';
+            var_dump($aRecheckWords);
+        }
+
+        $oPlaceLookup = new PlaceLookup($this->oDB);
+        $oPlaceLookup->setIncludePolygonAsPoints($this->bIncludePolygonAsPoints);
+        $oPlaceLookup->setIncludePolygonAsText($this->bIncludePolygonAsText);
+        $oPlaceLookup->setIncludePolygonAsGeoJSON($this->bIncludePolygonAsGeoJSON);
+        $oPlaceLookup->setIncludePolygonAsKML($this->bIncludePolygonAsKML);
+        $oPlaceLookup->setIncludePolygonAsSVG($this->bIncludePolygonAsSVG);
+        $oPlaceLookup->setPolygonSimplificationThreshold($this->fPolygonSimplificationThreshold);
+
+        foreach ($aSearchResults as $iResNum => $aResult) {
+            // Default
+            $fDiameter = getResultDiameter($aResult);
+
+            $aOutlineResult = $oPlaceLookup->getOutlines($aResult['place_id'], $aResult['lon'], $aResult['lat'], $fDiameter/2);
+            if ($aOutlineResult) {
+                $aResult = array_merge($aResult, $aOutlineResult);
+            }
+            
+            if ($aResult['extra_place'] == 'city') {
+                $aResult['class'] = 'place';
+                $aResult['type'] = 'city';
+                $aResult['rank_search'] = 16;
+            }
+
+            // Is there an icon set for this type of result?
+            if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
+                && $aClassType[$aResult['class'].':'.$aResult['type']]['icon']
+            ) {
+                $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
+            }
+
+            if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['label'])
+                && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['label']
+            ) {
+                $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['label'];
+            } elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['label'])
+                && $aClassType[$aResult['class'].':'.$aResult['type']]['label']
+            ) {
+                $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type']]['label'];
+            }
+            // if tag '&addressdetails=1' is set in query
+            if ($this->bIncludeAddressDetails) {
+                // getAddressDetails() is defined in lib.php and uses the SQL function get_addressdata in functions.sql
+                $aResult['address'] = getAddressDetails($this->oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code'], $aResultPlaceIDs[$aResult['place_id']]);
+                if ($aResult['extra_place'] == 'city' && !isset($aResult['address']['city'])) {
+                    $aResult['address'] = array_merge(array('city' => array_values($aResult['address'])[0]), $aResult['address']);
+                }
+            }
+
+            if ($this->bIncludeExtraTags) {
+                if ($aResult['extra']) {
+                    $aResult['sExtraTags'] = json_decode($aResult['extra']);
+                } else {
+                    $aResult['sExtraTags'] = (object) array();
+                }
+            }
+
+            if ($this->bIncludeNameDetails) {
+                if ($aResult['names']) {
+                    $aResult['sNameDetails'] = json_decode($aResult['names']);
+                } else {
+                    $aResult['sNameDetails'] = (object) array();
+                }
+            }
+
+            // Adjust importance for the number of exact string matches in the result
+            $aResult['importance'] = max(0.001, $aResult['importance']);
+            $iCountWords = 0;
+            $sAddress = $aResult['langaddress'];
+            foreach ($aRecheckWords as $i => $sWord) {
+                if (stripos($sAddress, $sWord)!==false) {
+                    $iCountWords++;
+                    if (preg_match("/(^|,)\s*".preg_quote($sWord, '/')."\s*(,|$)/", $sAddress)) $iCountWords += 0.1;
+                }
+            }
+
+            $aResult['importance'] = $aResult['importance'] + ($iCountWords*0.1); // 0.1 is a completely arbitrary number but something in the range 0.1 to 0.5 would seem right
+
+            $aResult['name'] = $aResult['langaddress'];
+            // secondary ordering (for results with same importance (the smaller the better):
+            // - approximate importance of address parts
+            $aResult['foundorder'] = -$aResult['addressimportance']/10;
+            // - number of exact matches from the query
+            if (isset($this->exactMatchCache[$aResult['place_id']])) {
+                $aResult['foundorder'] -= $this->exactMatchCache[$aResult['place_id']];
+            } elseif (isset($this->exactMatchCache[$aResult['parent_place_id']])) {
+                $aResult['foundorder'] -= $this->exactMatchCache[$aResult['parent_place_id']];
+            }
+            // - importance of the class/type
+            if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
+                && $aClassType[$aResult['class'].':'.$aResult['type']]['importance']
+            ) {
+                $aResult['foundorder'] += 0.0001 * $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
+            } else {
+                $aResult['foundorder'] += 0.01;
+            }
+            if (CONST_Debug) var_dump($aResult);
+            $aSearchResults[$iResNum] = $aResult;
+        }
+        uasort($aSearchResults, 'byImportance');
+
+        $aOSMIDDone = array();
+        $aClassTypeNameDone = array();
+        $aToFilter = $aSearchResults;
+        $aSearchResults = array();
+
+        $bFirst = true;
+        foreach ($aToFilter as $iResNum => $aResult) {
+            $this->aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
+            if ($bFirst) {
+                $fLat = $aResult['lat'];
+                $fLon = $aResult['lon'];
+                if (isset($aResult['zoom'])) $iZoom = $aResult['zoom'];
+                $bFirst = false;
+            }
+            if (!$this->bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
+                && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']]))
+            ) {
+                $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
+                $aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']] = true;
+                $aSearchResults[] = $aResult;
+            }
+
+            // Absolute limit on number of results
+            if (sizeof($aSearchResults) >= $this->iFinalLimit) break;
+        }
+
+        return $aSearchResults;
+    } // end lookup()
+} // end class