website/search.php

   1 <?php
   2         require_once(dirname(dirname(__FILE__)).'/lib/init-website.php');
   3         require_once(CONST_BasePath.'/lib/log.php');
   4
   5         ini_set('memory_limit', '200M');
   6         $oDB =& getDB();
   7
   8         // Display defaults
   9         $fLat = CONST_Default_Lat;
  10         $fLon = CONST_Default_Lon;
  11         $iZoom = CONST_Default_Zoom;
  12         $bBoundingBoxSearch = isset($_GET['bounded'])?(bool)$_GET['bounded']:false;
  13         $sOutputFormat = 'html';
  14         $aSearchResults = array();
  15         $aExcludePlaceIDs = array();
  16         $sCountryCodesSQL = false;
  17         $sSuggestion = $sSuggestionURL = false;
  18         $bDeDupe = isset($_GET['dedupe'])?(bool)$_GET['dedupe']:true;
  19         $bReverseInPlan = false;
  20         $iLimit = isset($_GET['limit'])?(int)$_GET['limit']:10;
  21         $iOffset = isset($_GET['offset'])?(int)$_GET['offset']:0;
  22         $iMaxRank = 20;
  23         if ($iLimit > 100) $iLimit = 100;
  24         $iMinAddressRank = 0;
  25         $iMaxAddressRank = 30;
  26
  27         // Format for output
  28         if (isset($_GET['format']) && ($_GET['format'] == 'html' || $_GET['format'] == 'xml' || $_GET['format'] == 'json' ||  $_GET['format'] == 'jsonv2'))
  29         {
  30                 $sOutputFormat = $_GET['format'];
  31         }
  32
  33         // Show / use polygons
  34         $bShowPolygons = (boolean)isset($_GET['polygon']) && $_GET['polygon'];
  35         $bAsGeoJSON = (boolean)isset($_GET['polygon_geojson']) && $_GET['polygon_geojson'];
  36         $bAsKML = (boolean)isset($_GET['polygon_kml']) && $_GET['polygon_kml'];
  37         $bAsSVG = (boolean)isset($_GET['polygon_svg']) && $_GET['polygon_svg'];
  38         $bAsText = (boolean)isset($_GET['polygon_text']) && $_GET['polygon_text'];
  39
  40         // Show address breakdown
  41         $bShowAddressDetails = isset($_GET['addressdetails']) && $_GET['addressdetails'];
  42
  43         // Preferred language
  44         $aLangPrefOrder = getPreferredLanguages();
  45         if (isset($aLangPrefOrder['name:de'])) $bReverseInPlan = true;
  46         if (isset($aLangPrefOrder['name:ru'])) $bReverseInPlan = true;
  47         if (isset($aLangPrefOrder['name:ja'])) $bReverseInPlan = true;
  48
  49         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$aLangPrefOrder))."]";
  50
  51         if (isset($_GET['exclude_place_ids']) && $_GET['exclude_place_ids'])
  52         {
  53                 foreach(explode(',',$_GET['exclude_place_ids']) as $iExcludedPlaceID)
  54                 {
  55                         $iExcludedPlaceID = (int)$iExcludedPlaceID;
  56                         if ($iExcludedPlaceID) $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
  57                 }
  58         }
  59
  60         // Only certain ranks of feature
  61         if (isset($_GET['featureType']) && !isset($_GET['featuretype'])) $_GET['featuretype'] = $_GET['featureType'];
  62
  63         if (isset($_GET['featuretype']))
  64         {
  65                 switch($_GET['featuretype'])
  66                 {
  67                 case 'country':
  68                         $iMinAddressRank = $iMaxAddressRank = 4;
  69                         break;
  70                 case 'state':
  71                         $iMinAddressRank = $iMaxAddressRank = 8;
  72                         break;
  73                 case 'city':
  74                         $iMinAddressRank = 14;
  75                         $iMaxAddressRank = 16;
  76                         break;
  77                 case 'settlement':
  78                         $iMinAddressRank = 8;
  79                         $iMaxAddressRank = 20;
  80                         break;
  81                 }
  82         }
  83
  84         if (isset($_GET['countrycodes']))
  85         {
  86                 $aCountryCodes = array();
  87                 foreach(explode(',',$_GET['countrycodes']) as $sCountryCode)
  88                 {
  89                         if (preg_match('/^[a-zA-Z][a-zA-Z]$/', $sCountryCode))
  90                         {
  91                                 $aCountryCodes[] = "'".strtolower($sCountryCode)."'";
  92                         }
  93                 }
  94                 $sCountryCodesSQL = join(',', $aCountryCodes);
  95         }
  96
  97         // Search query
  98         $sQuery = (isset($_GET['q'])?trim($_GET['q']):'');
  99         if (!$sQuery && isset($_SERVER['PATH_INFO']) && $_SERVER['PATH_INFO'][0] == '/')
 100         {
 101                 $sQuery = substr($_SERVER['PATH_INFO'], 1);
 102
 103                 // reverse order of '/' separated string
 104                 $aPhrases = explode('/', $sQuery);
 105                 $aPhrases = array_reverse($aPhrases);
 106                 $sQuery = join(', ',$aPhrases);
 107         }
 108
 109         function structuredAddressElement(&$aStructuredQuery, &$iMinAddressRank, &$iMaxAddressRank, $aParams, $sKey, $iNewMinAddressRank, $iNewMaxAddressRank)
 110         {
 111                 if (!isset($_GET[$sKey])) return false;
 112                 $sValue = trim($_GET[$sKey]);
 113                 if (!$sValue) return false;
 114                 $aStructuredQuery[$sKey] = $sValue;
 115                 if ($iMinAddressRank == 0 && $iMaxAddressRank == 30) {
 116                         $iMinAddressRank = $iNewMinAddressRank;
 117                         $iMaxAddressRank = $iNewMaxAddressRank;
 118                 }
 119                 return true;
 120         }
 121
 122         // Structured query?
 123         $aStructuredOptions = array(
 124                                 array('amenity', 26, 30),
 125                                 array('street', 26, 30),
 126                                 array('city', 14, 24),
 127                                 array('county', 9, 13),
 128                                 array('state', 8, 8),
 129                                 array('country', 4, 4),
 130                                 array('postalcode', 16, 25),
 131                                 );
 132         $aStructuredQuery = array();
 133         foreach($aStructuredOptions as $aStructuredOption)
 134         {
 135                 loadStructuredAddressElement($aStructuredQuery, $iMinAddressRank, $iMaxAddressRank, $_GET, $aStructuredOption[0], $aStructuredOption[1], $aStructuredOption[2]);
 136         }
 137         if (sizeof($aStructuredQuery) > 0) {
 138                 $sQuery = join(', ', $aStructuredQuery);
 139         }
 140
 141         if ($sQuery)
 142         {
 143                 $hLog = logStart($oDB, 'search', $sQuery, $aLangPrefOrder);
 144
 145                 // Hack to make it handle "new york, ny" (and variants) correctly
 146                 $sQuery = str_ireplace(array('New York, ny','new york, new york', 'New York ny','new york new york'), 'new york city, ny', $sQuery);
 147                 if (isset($aLangPrefOrder['name:en']))
 148                 {
 149                         $sQuery = preg_replace('/,\s*il\s*(,|$)/',', illinois\1', $sQuery);
 150                         $sQuery = preg_replace('/,\s*al\s*(,|$)/',', alabama\1', $sQuery);
 151                         $sQuery = preg_replace('/,\s*la\s*(,|$)/',', louisiana\1', $sQuery);
 152                 }
 153
 154                 // If we have a view box create the SQL
 155                 // Small is the actual view box, Large is double (on each axis) that
 156                 $sViewboxCentreSQL = $sViewboxSmallSQL = $sViewboxLargeSQL = false;
 157                 if (isset($_GET['viewboxlbrt']) && $_GET['viewboxlbrt'])
 158                 {
 159                         $aCoOrdinatesLBRT = explode(',',$_GET['viewboxlbrt']);
 160                         $_GET['viewbox'] = $aCoOrdinatesLBRT[0].','.$aCoOrdinatesLBRT[3].','.$aCoOrdinatesLBRT[2].','.$aCoOrdinatesLBRT[1];
 161                 }
 162                 if (isset($_GET['viewbox']) && $_GET['viewbox'])
 163                 {
 164                         $aCoOrdinates = explode(',',$_GET['viewbox']);
 165                         $sViewboxSmallSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
 166                         $fHeight = $aCoOrdinates[0]-$aCoOrdinates[2];
 167                         $fWidth = $aCoOrdinates[1]-$aCoOrdinates[3];
 168                         $aCoOrdinates[0] += $fHeight;
 169                         $aCoOrdinates[2] -= $fHeight;
 170                         $aCoOrdinates[1] += $fWidth;
 171                         $aCoOrdinates[3] -= $fWidth;
 172                         $sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
 173                 } else {
 174                         $bBoundingBoxSearch = false;
 175                 }
 176                 if (isset($_GET['route']) && $_GET['route'] && isset($_GET['routewidth']) && $_GET['routewidth'])
 177                 {
 178                         $aPoints = explode(',',$_GET['route']);
 179                         if (sizeof($aPoints) % 2 != 0)
 180                         {
 181                                 echo "Uneven number of points";
 182                                 exit;
 183                         }
 184                         $sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
 185                         $fPrevCoord = false;
 186                         foreach($aPoints as $i => $fPoint)
 187                         {
 188                                 if ($i%2)
 189                                 {
 190                                         if ($i != 1) $sViewboxCentreSQL .= ",";
 191                                         $sViewboxCentreSQL .= ((float)$fPoint).' '.$fPrevCoord;
 192                                 }
 193                                 else
 194                                 {
 195                                         $fPrevCoord = (float)$fPoint;
 196                                 }
 197                         }
 198                         $sViewboxCentreSQL .= ")'::geometry,4326)";
 199
 200                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/69).")";
 201                         $sViewboxSmallSQL = $oDB->getOne($sSQL);
 202                         if (PEAR::isError($sViewboxSmallSQL))
 203                         {
 204                                 failInternalError("Could not get small viewbox.", $sSQL, $sViewboxSmallSQL);
 205                         }
 206                         $sViewboxSmallSQL = "'".$sViewboxSmallSQL."'::geometry";
 207
 208                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/30).")";
 209                         $sViewboxLargeSQL = $oDB->getOne($sSQL);
 210                         if (PEAR::isError($sViewboxLargeSQL))
 211                         {
 212                                 failInternalError("Could not get large viewbox.", $sSQL, $sViewboxLargeSQL);
 213                         }
 214                         $sViewboxLargeSQL = "'".$sViewboxLargeSQL."'::geometry";
 215                 }
 216
 217                 // Do we have anything that looks like a lat/lon pair?
 218                 if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[ ]+([0-9.]+)?[, ]+([EW])[ ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?\\b/', $sQuery, $aData))
 219                 {
 220                         $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
 221                         $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
 222                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 223                         {
 224                                 $_GET['nearlat'] = $fQueryLat;
 225                                 $_GET['nearlon'] = $fQueryLon;
 226                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 227                         }
 228                 }
 229                 elseif (preg_match('/\\b([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([NS])[, ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([EW])\\b/', $sQuery, $aData))
 230                 {
 231                         $fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
 232                         $fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
 233                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 234                         {
 235                                 $_GET['nearlat'] = $fQueryLat;
 236                                 $_GET['nearlon'] = $fQueryLon;
 237                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 238                         }
 239                 }
 240                 elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9.]*)[, ]+(-?[0-9]+[0-9.]*)(\\]|$|\\b)/', $sQuery, $aData))
 241                 {
 242                         $fQueryLat = $aData[2];
 243                         $fQueryLon = $aData[3];
 244                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 245                         {
 246                                 $_GET['nearlat'] = $fQueryLat;
 247                                 $_GET['nearlon'] = $fQueryLon;
 248                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 249                         }
 250                 }
 251
 252                 if ($sQuery || $aStructuredQuery)
 253                 {
 254                         // Start with a blank search
 255                         $aSearches = array(
 256                                 array('iSearchRank' => 0, 'iNamePhrase' => -1, 'sCountryCode' => false, 'aName'=>array(), 'aAddress'=>array(),
 257                                         'sOperator'=>'', 'aFeatureName' => array(), 'sClass'=>'', 'sType'=>'', 'sHouseNumber'=>'', 'fLat'=>'', 'fLon'=>'', 'fRadius'=>'')
 258                         );
 259
 260                         $sNearPointSQL = false;
 261                         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
 262                         {
 263                                 $sNearPointSQL = "ST_SetSRID(ST_Point(".(float)$_GET['nearlon'].",".$_GET['nearlat']."),4326)";
 264                                 $aSearches[0]['fLat'] = (float)$_GET['nearlat'];
 265                                 $aSearches[0]['fLon'] = (float)$_GET['nearlon'];
 266                                 $aSearches[0]['fRadius'] = 0.1;
 267                         }
 268
 269                         $bSpecialTerms = false;
 270                         preg_match_all('/\\[(.*)=(.*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 271                         $aSpecialTerms = array();
 272                         foreach($aSpecialTermsRaw as $aSpecialTerm)
 273                         {
 274                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 275                                 $aSpecialTerms[strtolower($aSpecialTerm[1])] = $aSpecialTerm[2];
 276                         }
 277
 278                         preg_match_all('/\\[([a-zA-Z]*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 279                         $aSpecialTerms = array();
 280                         if (isset($aStructuredQuery['amenity']) && $aStructuredQuery['amenity'])
 281                         {
 282                                 $aSpecialTermsRaw[] = array('['.$aStructuredQuery['amenity'].']', $aStructuredQuery['amenity']);
 283                                 unset($aStructuredQuery['amenity']);
 284                         }
 285                         foreach($aSpecialTermsRaw as $aSpecialTerm)
 286                         {
 287                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 288                                 $sToken = $oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
 289                                 $sSQL = 'select * from (select word_id,word_token, word, class, type, location, country_code, operator';
 290                                 $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\')) or country_code is not null';
 291                                 if (CONST_Debug) var_Dump($sSQL);
 292                                 $aSearchWords = $oDB->getAll($sSQL);
 293                                 $aNewSearches = array();
 294                                 foreach($aSearches as $aSearch)
 295                                 {
 296                                         foreach($aSearchWords as $aSearchTerm)
 297                                         {
 298                                                 $aNewSearch = $aSearch;
 299                                                 if ($aSearchTerm['country_code'])
 300                                                 {
 301                                                         $aNewSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 302                                                         $aNewSearches[] = $aNewSearch;
 303                                                         $bSpecialTerms = true;
 304                                                 }
 305                                                 if ($aSearchTerm['class'])
 306                                                 {
 307                                                         $aNewSearch['sClass'] = $aSearchTerm['class'];
 308                                                         $aNewSearch['sType'] = $aSearchTerm['type'];
 309                                                         $aNewSearches[] = $aNewSearch;
 310                                                         $bSpecialTerms = true;
 311                                                 }
 312                                         }
 313                                 }
 314                                 $aSearches = $aNewSearches;
 315                         }
 316
 317                         // Split query into phrases
 318                         // Commas are used to reduce the search space by indicating where phrases split
 319                         if (sizeof($aStructuredQuery) > 0)
 320                         {
 321                                 $aPhrases = $aStructuredQuery;
 322                                 $bStructuredPhrases = true;
 323                         }
 324                         else
 325                         {
 326                                 $aPhrases = explode(',',$sQuery);
 327                                 $bStructuredPhrases = false;
 328                         }
 329
 330
 331                         // Convert each phrase to standard form
 332                         // Create a list of standard words
 333                         // Get all 'sets' of words
 334                         // Generate a complete list of all
 335                         $aTokens = array();
 336                         foreach($aPhrases as $iPhrase => $sPhrase)
 337                         {
 338                                 $aPhrase = $oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
 339                                 if (PEAR::isError($aPhrase))
 340                                 {
 341                                         echo "Illegal query string (not an UTF-8 string): ".$sPhrase;
 342                                         if (CONST_Debug) var_dump($aPhrase);
 343                                         exit;
 344                                 }
 345                                 if (trim($aPhrase['string']))
 346                                 {
 347                                         $aPhrases[$iPhrase] = $aPhrase;
 348                                         $aPhrases[$iPhrase]['words'] = explode(' ',$aPhrases[$iPhrase]['string']);
 349                                         $aPhrases[$iPhrase]['wordsets'] = getWordSets($aPhrases[$iPhrase]['words']);
 350                                         $aTokens = array_merge($aTokens, getTokensFromSets($aPhrases[$iPhrase]['wordsets']));
 351                                 }
 352                                 else
 353                                 {
 354                                         unset($aPhrases[$iPhrase]);
 355                                 }
 356                         }
 357
 358                         // reindex phrases - we make assumptions later on
 359                         $aPhraseTypes = array_keys($aPhrases);
 360                         $aPhrases = array_values($aPhrases);
 361
 362                         if (sizeof($aTokens))
 363                         {
 364
 365                         // Check which tokens we have, get the ID numbers
 366                         $sSQL = 'select word_id,word_token, word, class, type, location, country_code, operator';
 367                         $sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
 368                         $sSQL .= ' and search_name_count < '.CONST_Max_Word_Frequency;
 369 //                      $sSQL .= ' group by word_token, word, class, type, location, country_code';
 370
 371                         if (CONST_Debug) var_Dump($sSQL);
 372
 373                         $aValidTokens = array();
 374                         if (sizeof($aTokens))
 375                                 $aDatabaseWords = $oDB->getAll($sSQL);
 376                         else
 377                                 $aDatabaseWords = array();
 378                         if (PEAR::IsError($aDatabaseWords))
 379                         {
 380                                 failInternalError("Could not get word tokens.", $sSQL, $aDatabaseWords);
 381                         }
 382                         $aPossibleMainWordIDs = array();
 383                         foreach($aDatabaseWords as $aToken)
 384                         {
 385                                 if (isset($aValidTokens[$aToken['word_token']]))
 386                                 {
 387                                         $aValidTokens[$aToken['word_token']][] = $aToken;
 388                                 }
 389                                 else
 390                                 {
 391                                         $aValidTokens[$aToken['word_token']] = array($aToken);
 392                                 }
 393                                 if ($aToken['word_token'][0]==' ' && !$aToken['class'] && !$aToken['country_code']) $aPossibleMainWordIDs[$aToken['word_id']] = 1;
 394                         }
 395                         if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
 396
 397                         $aSuggestion = array();
 398                         $bSuggestion = false;
 399                         if (CONST_Suggestions_Enabled)
 400                         {
 401                                 foreach($aPhrases as $iPhrase => $aPhrase)
 402                                 {
 403                                         if (!isset($aValidTokens[' '.$aPhrase['wordsets'][0][0]]))
 404                                         {
 405                                                 $sQuotedPhrase = getDBQuoted(' '.$aPhrase['wordsets'][0][0]);
 406                                                 $aSuggestionWords = getWordSuggestions($oDB, $aPhrase['wordsets'][0][0]);
 407                                                 $aRow = $aSuggestionWords[0];
 408                                                 if ($aRow && $aRow['word'])
 409                                                 {
 410                                                         $aSuggestion[] = $aRow['word'];
 411                                                         $bSuggestion = true;
 412                                                 }
 413                                                 else
 414                                                 {
 415                                                         $aSuggestion[] = $aPhrase['string'];
 416                                                 }
 417                                         }
 418                                         else
 419                                         {
 420                                                 $aSuggestion[] = $aPhrase['string'];
 421                                         }
 422                                 }
 423                         }
 424                         if ($bSuggestion) $sSuggestion = join(', ',$aSuggestion);
 425
 426                         // Try and calculate GB postcodes we might be missing
 427                         foreach($aTokens as $sToken)
 428                         {
 429                                 // Source of gb postcodes is now definitive - always use
 430                                 if (preg_match('/^([A-Z][A-Z]?[0-9][0-9A-Z]? ?[0-9])([A-Z][A-Z])$/', strtoupper(trim($sToken)), $aData))
 431                                 {
 432                                         if (substr($aData[1],-2,1) != ' ')
 433                                         {
 434                                                 $aData[0] = substr($aData[0],0,strlen($aData[1]-1)).' '.substr($aData[0],strlen($aData[1]-1));
 435                                                 $aData[1] = substr($aData[1],0,-1).' '.substr($aData[1],-1,1);
 436                                         }
 437                                         $aGBPostcodeLocation = gbPostcodeCalculate($aData[0], $aData[1], $aData[2], $oDB);
 438                                         if ($aGBPostcodeLocation)
 439                                         {
 440                                                 $aValidTokens[$sToken] = $aGBPostcodeLocation;
 441                                         }
 442                                 }
 443                         }
 444
 445                         foreach($aTokens as $sToken)
 446                         {
 447                                 // Unknown single word token with a number - assume it is a house number
 448                                 if (!isset($aValidTokens[' '.$sToken]) && strpos($sToken,' ') === false && preg_match('/[0-9]/', $sToken))
 449                                 {
 450                                         $aValidTokens[' '.$sToken] = array(array('class'=>'place','type'=>'house'));
 451                                 }
 452                         }
 453
 454                         // Any words that have failed completely?
 455                         // TODO: suggestions
 456
 457                         // Start the search process
 458                         $aResultPlaceIDs = array();
 459
 460                         /*
 461                                 Calculate all searches using aValidTokens i.e.
 462
 463                                 'Wodsworth Road, Sheffield' =>
 464
 465                                 Phrase Wordset
 466                                 0      0       (wodsworth road)
 467                                 0      1       (wodsworth)(road)
 468                                 1      0       (sheffield)
 469
 470                                 Score how good the search is so they can be ordered
 471                         */
 472                                 foreach($aPhrases as $iPhrase => $sPhrase)
 473                                 {
 474                                         $aNewPhraseSearches = array();
 475                                         if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
 476                                         else $sPhraseType = '';
 477
 478                                         foreach($aPhrases[$iPhrase]['wordsets'] as $aWordset)
 479                                         {
 480                                                 $aWordsetSearches = $aSearches;
 481
 482                                                 // Add all words from this wordset
 483                                                 foreach($aWordset as $iToken => $sToken)
 484                                                 {
 485 //echo "<br><b>$sToken</b>";
 486                                                         $aNewWordsetSearches = array();
 487
 488                                                         foreach($aWordsetSearches as $aCurrentSearch)
 489                                                         {
 490 //echo "<i>";
 491 //var_dump($aCurrentSearch);
 492 //echo "</i>";
 493
 494                                                                 // If the token is valid
 495                                                                 if (isset($aValidTokens[' '.$sToken]))
 496                                                                 {
 497                                                                         foreach($aValidTokens[' '.$sToken] as $aSearchTerm)
 498                                                                         {
 499                                                                                 $aSearch = $aCurrentSearch;
 500                                                                                 $aSearch['iSearchRank']++;
 501                                                                                 if (($sPhraseType == '' || $sPhraseType == 'country') && $aSearchTerm['country_code'] !== null && $aSearchTerm['country_code'] != '0')
 502                                                                                 {
 503                                                                                         if ($aSearch['sCountryCode'] === false)
 504                                                                                         {
 505                                                                                                 $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 506                                                                                                 // Country is almost always at the end of the string - increase score for finding it anywhere else (optimisation)
 507                                                                                                 if ($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases)) $aSearch['iSearchRank'] += 5;
 508                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 509                                                                                         }
 510                                                                                 }
 511                                                                                 elseif (isset($aSearchTerm['lat']) && $aSearchTerm['lat'] !== '' && $aSearchTerm['lat'] !== null)
 512                                                                                 {
 513                                                                                         if ($aSearch['fLat'] === '')
 514                                                                                         {
 515                                                                                                 $aSearch['fLat'] = $aSearchTerm['lat'];
 516                                                                                                 $aSearch['fLon'] = $aSearchTerm['lon'];
 517                                                                                                 $aSearch['fRadius'] = $aSearchTerm['radius'];
 518                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 519                                                                                         }
 520                                                                                 }
 521                                                                                 elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
 522                                                                                 {
 523                                                                                         if ($aSearch['sHouseNumber'] === '')
 524                                                                                         {
 525                                                                                                 $aSearch['sHouseNumber'] = $sToken;
 526                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 527 /*
 528                                                                                                 // Fall back to not searching for this item (better than nothing)
 529                                                                                                 $aSearch = $aCurrentSearch;
 530                                                                                                 $aSearch['iSearchRank'] += 1;
 531                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 532 */
 533                                                                                         }
 534                                                                                 }
 535                                                                                 elseif ($sPhraseType == '' && $aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
 536                                                                                 {
 537                                                                                         if ($aSearch['sClass'] === '')
 538                                                                                         {
 539                                                                                                 $aSearch['sOperator'] = $aSearchTerm['operator'];
 540                                                                                                 $aSearch['sClass'] = $aSearchTerm['class'];
 541                                                                                                 $aSearch['sType'] = $aSearchTerm['type'];
 542                                                                                                 if (sizeof($aSearch['aName'])) $aSearch['sOperator'] = 'name';
 543                                                                                                 else $aSearch['sOperator'] = 'near'; // near = in for the moment
 544
 545                                                                                                 // Do we have a shortcut id?
 546                                                                                                 if ($aSearch['sOperator'] == 'name')
 547                                                                                                 {
 548                                                                                                         $sSQL = "select get_tagpair('".$aSearch['sClass']."', '".$aSearch['sType']."')";
 549                                                                                                         if ($iAmenityID = $oDB->getOne($sSQL))
 550                                                                                                         {
 551                                                                                                                 $aValidTokens[$aSearch['sClass'].':'.$aSearch['sType']] = array('word_id' => $iAmenityID);
 552                                                                                                                 $aSearch['aName'][$iAmenityID] = $iAmenityID;
 553                                                                                                                 $aSearch['sClass'] = '';
 554                                                                                                                 $aSearch['sType'] = '';
 555                                                                                                         }
 556                                                                                                 }
 557                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 558                                                                                         }
 559                                                                                 }
 560                                                                                 elseif (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
 561                                                                                 {
 562                                                                                         if (sizeof($aSearch['aName']))
 563                                                                                         {
 564                                                                                                 if (($sPhraseType != 'street' && $sPhraseType != 'country') && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
 565                                                                                                 {
 566                                                                                                         $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 567                                                                                                 }
 568                                                                                                 else
 569                                                                                                 {
 570                                                                                                         $aSearch['iSearchRank'] += 1000; // skip;
 571                                                                                                 }
 572                                                                                         }
 573                                                                                         else
 574                                                                                         {
 575                                                                                                 $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 576 //                                                                                              $aSearch['iNamePhrase'] = $iPhrase;
 577                                                                                         }
 578                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 579                                                                                 }
 580                                                                         }
 581                                                                 }
 582                                                                 if (isset($aValidTokens[$sToken]))
 583                                                                 {
 584                                                                         // Allow searching for a word - but at extra cost
 585                                                                         foreach($aValidTokens[$sToken] as $aSearchTerm)
 586                                                                         {
 587                                                                                 if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
 588                                                                                 {
 589                                                                                         if (($sPhraseType != 'street') && sizeof($aCurrentSearch['aName']) && strlen($sToken) >= 4)
 590                                                                                         {
 591                                                                                                 $aSearch = $aCurrentSearch;
 592                                                                                                 $aSearch['iSearchRank'] += 1;
 593                                                                                                 $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 594                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 595                                                                                         }
 596
 597                                                                                         if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
 598                                                                                         {
 599                                                                                                 $aSearch = $aCurrentSearch;
 600                                                                                                 $aSearch['iSearchRank'] += 2;
 601                                                                                                 if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
 602                                                                                                 $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 603                                                                                                 $aSearch['iNamePhrase'] = $iPhrase;
 604                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 605                                                                                         }
 606                                                                                 }
 607                                                                         }
 608                                                                 }
 609                                                                 else
 610                                                                 {
 611                                                                         // Allow skipping a word - but at EXTREAM cost
 612                                                                         //$aSearch = $aCurrentSearch;
 613                                                                         //$aSearch['iSearchRank']+=100;
 614                                                                         //$aNewWordsetSearches[] = $aSearch;
 615                                                                 }
 616                                                         }
 617                                                         // Sort and cut
 618                                                         usort($aNewWordsetSearches, 'bySearchRank');
 619                                                         $aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
 620                                                 }
 621 //                                              var_Dump('<hr>',sizeof($aWordsetSearches)); exit;
 622
 623                                                 $aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
 624                                                 usort($aNewPhraseSearches, 'bySearchRank');
 625
 626           $aSearchHash = array();
 627           foreach($aNewPhraseSearches as $iSearch => $aSearch)
 628           {
 629             $sHash = serialize($aSearch);
 630             if (isset($aSearchHash[$sHash]))
 631             {
 632               unset($aNewPhraseSearches[$iSearch]);
 633             }
 634             else
 635             {
 636               $aSearchHash[$sHash] = 1;
 637             }
 638           }
 639
 640                                                 $aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
 641                                         }
 642
 643                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
 644                                         $aGroupedSearches = array();
 645                                         foreach($aNewPhraseSearches as $aSearch)
 646                                         {
 647                                                 if ($aSearch['iSearchRank'] < $iMaxRank)
 648                                                 {
 649                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 650                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 651                                                 }
 652                                         }
 653                                         ksort($aGroupedSearches);
 654
 655                                         $iSearchCount = 0;
 656                                         $aSearches = array();
 657                                         foreach($aGroupedSearches as $iScore => $aNewSearches)
 658                                         {
 659                                                 $iSearchCount += sizeof($aNewSearches);
 660                                                 $aSearches = array_merge($aSearches, $aNewSearches);
 661                                                 if ($iSearchCount > 50) break;
 662                                         }
 663
 664 //                                      if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 665
 666                                 }
 667                         }
 668                         else
 669                         {
 670                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
 671                                         $aGroupedSearches = array();
 672                                         foreach($aSearches as $aSearch)
 673                                         {
 674                                                 if ($aSearch['iSearchRank'] < $iMaxRank)
 675                                                 {
 676                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 677                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 678                                                 }
 679                                         }
 680                                         ksort($aGroupedSearches);
 681                         }
 682
 683                                 if (CONST_Debug) var_Dump($aGroupedSearches);
 684
 685                                 if ($bReverseInPlan)
 686                                 {
 687                                         $aCopyGroupedSearches = $aGroupedSearches;
 688                                         foreach($aCopyGroupedSearches as $iGroup => $aSearches)
 689                                         {
 690                                                 foreach($aSearches as $iSearch => $aSearch)
 691                                                 {
 692                                                         if (sizeof($aSearch['aAddress']))
 693                                                         {
 694                                                                 $iReverseItem = array_pop($aSearch['aAddress']);
 695                                                                 if (isset($aPossibleMainWordIDs[$iReverseItem]))
 696                                                                 {
 697                                                                         $aSearch['aAddress'] = array_merge($aSearch['aAddress'], $aSearch['aName']);
 698                                                                         $aSearch['aName'] = array($iReverseItem);
 699                                                                         $aGroupedSearches[$iGroup][] = $aSearch;
 700                                                                 }
 701 //                                                              $aReverseSearch['aName'][$iReverseItem] = $iReverseItem;
 702         //                                                      $aGroupedSearches[$iGroup][] = $aReverseSearch;
 703                                                         }
 704                                                 }
 705                                         }
 706                                 }
 707
 708                                 // Filter out duplicate searches
 709                                 $aSearchHash = array();
 710                                 foreach($aGroupedSearches as $iGroup => $aSearches)
 711                                 {
 712                                         foreach($aSearches as $iSearch => $aSearch)
 713                                         {
 714                                                 $sHash = serialize($aSearch);
 715                                                 if (isset($aSearchHash[$sHash]))
 716                                                 {
 717                                                         unset($aGroupedSearches[$iGroup][$iSearch]);
 718                                                         if (sizeof($aGroupedSearches[$iGroup]) == 0) unset($aGroupedSearches[$iGroup]);
 719                                                 }
 720                                                 else
 721                                                 {
 722                                                         $aSearchHash[$sHash] = 1;
 723                                                 }
 724                                         }
 725                                 }
 726
 727                                 if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 728
 729                                 $iGroupLoop = 0;
 730                                 $iQueryLoop = 0;
 731                                 foreach($aGroupedSearches as $iGroupedRank => $aSearches)
 732                                 {
 733                                         $iGroupLoop++;
 734                                         foreach($aSearches as $aSearch)
 735                                         {
 736                                                 $iQueryLoop++;
 737
 738                                                 // Must have a location term
 739                                                 if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['fLon'])
 740                                                 {
 741                                                         if ($aSearch['sCountryCode'] && !$aSearch['sClass'])
 742                                                         {
 743                                                                 if (4 >= $iMinAddressRank && 4 <= $iMaxAddressRank)
 744                                                                 {
 745                                                                         $sSQL = "select place_id from placex where country_code='".$aSearch['sCountryCode']."' and rank_search = 4";
 746                                                                         if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 747                                                                         $sSQL .= " order by st_area(geometry) desc limit 1";
 748                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 749                                                                 }
 750                                                         }
 751                                                         else
 752                                                         {
 753                                                                 if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
 754                                                                 if (!$aSearch['sClass']) continue;
 755                                                                 if (CONST_Debug) var_dump('<hr>',$aSearch);
 756                                                                 if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
 757
 758                                                                 $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
 759                                                                 if ($oDB->getOne($sSQL))
 760                                                                 {
 761                                                                 $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
 762                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
 763                                                                 $sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid) and linked_place_id is null";
 764                                                                 if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 765                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
 766                                                                 $sSQL .= " limit $iLimit";
 767                                                                 if (CONST_Debug) var_dump($sSQL);
 768                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 769
 770                                                                 if (!sizeof($aPlaceIDs))
 771                                                                 {
 772                                                                         $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
 773                                                                         if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
 774                                                                         $sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid) and linked_place_id is null";
 775                                                                         if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 776                                                                         if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
 777                                                                         $sSQL .= " limit $iLimit";
 778                                                                         if (CONST_Debug) var_dump($sSQL);
 779                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 780                                                                 }
 781                                                         }
 782                                                         else
 783                                                         {
 784                                                                 $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
 785                                                                 $sSQL .= " and st_contains($sViewboxSmallSQL, geometry) and linked_place_id is null";
 786                                                                 if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 787                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
 788                                                                 $sSQL .= " limit $iLimit";
 789                                                                 if (CONST_Debug) var_dump($sSQL);
 790                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 791                                                         }
 792                                                         }
 793                                                 }
 794                                                 else
 795                                                 {
 796                                                         if (CONST_Debug) var_dump('<hr>',$aSearch);
 797                                                         if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
 798                                                         $aPlaceIDs = array();
 799
 800                                                         // First we need a position, either aName or fLat or both
 801                                                         $aTerms = array();
 802                                                         $aOrder = array();
 803
 804                                                         // TODO: filter out the pointless search terms (2 letter name tokens and less)
 805                                                         // they might be right - but they are just too darned expensive to run
 806                                                         if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";
 807                                                         if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress']) $aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'],",")."]";
 808                                                         if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
 809                                                         if ($aSearch['sHouseNumber']) $aTerms[] = "address_rank in (26,27)";
 810                                                         if ($aSearch['fLon'] && $aSearch['fLat'])
 811                                                         {
 812                                                                 $aTerms[] = "ST_DWithin(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326), ".$aSearch['fRadius'].")";
 813                                                                 $aOrder[] = "ST_Distance(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326)) ASC";
 814                                                         }
 815                                                         if (sizeof($aExcludePlaceIDs))
 816                                                         {
 817                                                                 $aTerms[] = "place_id not in (".join(',',$aExcludePlaceIDs).")";
 818                                                         }
 819                                                         if ($sCountryCodesSQL)
 820                                                         {
 821                                                                 $aTerms[] = "country_code in ($sCountryCodesSQL)";
 822                                                         }
 823
 824                                                         if ($bBoundingBoxSearch) $aTerms[] = "centroid && $sViewboxSmallSQL";
 825                                                         if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc";
 826
 827                                                         $sImportanceSQL = 'case when importance = 0 OR importance IS NULL then 0.92-(search_rank::float/33) else importance end';
 828
 829                                                         if ($sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END";
 830                                                         if ($sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END";
 831                                                         $aOrder[] = "$sImportanceSQL DESC";
 832
 833                                                         if (sizeof($aTerms))
 834                                                         {
 835                                                                 $sSQL = "select place_id";
 836                                                                 $sSQL .= " from search_name";
 837                                                                 $sSQL .= " where ".join(' and ',$aTerms);
 838                                                                 $sSQL .= " order by ".join(', ',$aOrder);
 839                                                                 if ($aSearch['sHouseNumber'] || $aSearch['sClass'])
 840                                                                         $sSQL .= " limit 50";
 841                                                                 elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
 842                                                                         $sSQL .= " limit 1";
 843                                                                 else
 844                                                                         $sSQL .= " limit ".$iLimit;
 845
 846                                                                 if (CONST_Debug) var_dump($sSQL);
 847                                                                 $aViewBoxPlaceIDs = $oDB->getAll($sSQL);
 848                                                                 if (PEAR::IsError($aViewBoxPlaceIDs))
 849                                                                 {
 850                                                                         failInternalError("Could not get places for search terms.", $sSQL, $aViewBoxPlaceIDs);
 851                                                                 }
 852 //var_dump($aViewBoxPlaceIDs);
 853                                                                 // Did we have an viewbox matches?
 854                                                                 $aPlaceIDs = array();
 855                                                                 $bViewBoxMatch = false;
 856                                                                 foreach($aViewBoxPlaceIDs as $aViewBoxRow)
 857                                                                 {
 858 //                                                                      if ($bViewBoxMatch == 1 && $aViewBoxRow['in_small'] == 'f') break;
 859 //                                                                      if ($bViewBoxMatch == 2 && $aViewBoxRow['in_large'] == 'f') break;
 860 //                                                                      if ($aViewBoxRow['in_small'] == 't') $bViewBoxMatch = 1;
 861 //                                                                      else if ($aViewBoxRow['in_large'] == 't') $bViewBoxMatch = 2;
 862                                                                         $aPlaceIDs[] = $aViewBoxRow['place_id'];
 863                                                                 }
 864                                                         }
 865 //var_Dump($aPlaceIDs);
 866 //exit;
 867
 868                                                         if ($aSearch['sHouseNumber'] && sizeof($aPlaceIDs))
 869                                                         {
 870                                                                 $aRoadPlaceIDs = $aPlaceIDs;
 871                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
 872
 873                                                                 // Now they are indexed look for a house attached to a street we found
 874                                                                 $sHouseNumberRegex = '\\\\m'.str_replace(' ','[-,/ ]',$aSearch['sHouseNumber']).'\\\\M';
 875                                                                 $sSQL = "select place_id from placex where parent_place_id in (".$sPlaceIDs.") and housenumber ~* E'".$sHouseNumberRegex."'";
 876                                                                 if (sizeof($aExcludePlaceIDs))
 877                                                                 {
 878                                                                         $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 879                                                                 }
 880                                                                 $sSQL .= " limit $iLimit";
 881                                                                 if (CONST_Debug) var_dump($sSQL);
 882                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 883
 884                                                                 // If not try the aux fallback table
 885                                                                 if (!sizeof($aPlaceIDs))
 886                                                                 {
 887                                                                         $sSQL = "select place_id from location_property_aux where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
 888                                                                         if (sizeof($aExcludePlaceIDs))
 889                                                                         {
 890                                                                                 $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 891                                                                         }
 892 //                                                                      $sSQL .= " limit $iLimit";
 893                                                                         if (CONST_Debug) var_dump($sSQL);
 894                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 895                                                                 }
 896
 897                                                                 if (!sizeof($aPlaceIDs))
 898                                                                 {
 899                                                                         $sSQL = "select place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
 900                                                                         if (sizeof($aExcludePlaceIDs))
 901                                                                         {
 902                                                                                 $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 903                                                                         }
 904 //                                                                      $sSQL .= " limit $iLimit";
 905                                                                         if (CONST_Debug) var_dump($sSQL);
 906                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 907                                                                 }
 908
 909                                                                 // Fallback to the road
 910                                                                 if (!sizeof($aPlaceIDs) && preg_match('/[0-9]+/', $aSearch['sHouseNumber']))
 911                                                                 {
 912                                                                         $aPlaceIDs = $aRoadPlaceIDs;
 913                                                                 }
 914
 915                                                         }
 916
 917                                                         if ($aSearch['sClass'] && sizeof($aPlaceIDs))
 918                                                         {
 919                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
 920
 921                                                                 if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
 922                                                                 {
 923                                                                         // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
 924                                                                         $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
 925                                                                         $sSQL = " and linked_place_id is null";
 926                                                                         if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 927                                                                         $sSQL .= " order by rank_search asc limit $iLimit";
 928                                                                         if (CONST_Debug) var_dump($sSQL);
 929                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 930                                                                 }
 931
 932                                                                 if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
 933                                                                 {
 934                                                                         $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
 935                                                                         $bCacheTable = $oDB->getOne($sSQL);
 936
 937                                                                         $sSQL = "select min(rank_search) from placex where place_id in ($sPlaceIDs)";
 938
 939                                                                         if (CONST_Debug) var_dump($sSQL);
 940                                                                         $iMaxRank = ((int)$oDB->getOne($sSQL));
 941
 942                                                                         // For state / country level searches the normal radius search doesn't work very well
 943                                                                         $sPlaceGeom = false;
 944                                                                         if ($iMaxRank < 9 && $bCacheTable)
 945                                                                         {
 946                                                                                 // Try and get a polygon to search in instead
 947         $sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
 948         if (CONST_Debug) var_dump($sSQL);
 949         $sPlaceGeom = $oDB->getOne($sSQL);
 950                                                                         }
 951
 952                                                                         if ($sPlaceGeom)
 953                                                                         {
 954                                                                                 $sPlaceIDs = false;
 955                                                                         }
 956                                                                         else
 957                                                                         {
 958                                                                                 $iMaxRank += 5;
 959                                                                         $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
 960                                                                         if (CONST_Debug) var_dump($sSQL);
 961                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 962                                                                         $sPlaceIDs = join(',',$aPlaceIDs);
 963                                                                         }
 964
 965                                                                         if ($sPlaceIDs || $sPlaceGeom)
 966                                                                         {
 967
 968                                                                         $fRange = 0.01;
 969                                                                         if ($bCacheTable)
 970                                                                         {
 971                                                                                 // More efficient - can make the range bigger
 972                                                                                 $fRange = 0.05;
 973
 974                                                                                 $sOrderBySQL = '';
 975                                                                                 if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.centroid)";
 976                                                                                 else if ($sPlaceIDs) $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
 977                                                                                 else if ($sPlaceGeom) $sOrderBysSQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
 978
 979                                                                                 $sSQL = "select distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'')." from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";
 980                                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";
 981                                                                                 if ($sPlaceIDs)
 982                                                                                 {
 983                                                                                         $sSQL .= ",placex as f where ";
 984                                                                                         $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, st_centroid(f.geometry), $fRange) ";
 985                                                                                 }
 986                                                                                 if ($sPlaceGeom)
 987                                                                                 {
 988                                                                                         $sSQL .= " where ";
 989                                                                                         $sSQL .= "ST_Contains('".$sPlaceGeom."', l.centroid) ";
 990                                                                                 }
 991                                                                                 if (sizeof($aExcludePlaceIDs))
 992                                                                                 {
 993                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
 994                                                                                 }
 995                                                                                 if ($sCountryCodesSQL) $sSQL .= " and lp.country_code in ($sCountryCodesSQL)";
 996                                                                                 if ($sOrderBy) $sSQL .= "order by ".$OrderBysSQL." asc";
 997                                                                                 if ($iOffset) $sSQL .= " offset $iOffset";
 998                                                                                 $sSQL .= " limit $iLimit";
 999                                                                                 if (CONST_Debug) var_dump($sSQL);
1000                                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
1001                                                                         }
1002                                                                         else
1003                                                                         {
1004                                                                                 if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];
1005
1006                                                                                 $sOrderBySQL = '';
1007                                                                                 if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.geometry)";
1008                                                                                 else $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
1009
1010                                                                                 $sSQL = "select distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'')." from placex as l,placex as f where ";
1011                                                                                 $sSQL .= "f.place_id in ( $sPlaceIDs) and ST_DWithin(l.geometry, st_centroid(f.geometry), $fRange) ";
1012                                                                                 $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
1013                                                                                 if (sizeof($aExcludePlaceIDs))
1014                                                                                 {
1015                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
1016                                                                                 }
1017                                                                                 if ($sCountryCodesSQL) $sSQL .= " and l.country_code in ($sCountryCodesSQL)";
1018                                                                                 if ($sOrderBy) $sSQL .= "order by ".$OrderBysSQL." asc";
1019                                                                                 if ($iOffset) $sSQL .= " offset $iOffset";
1020                                                                                 $sSQL .= " limit $iLimit";
1021                                                                                 if (CONST_Debug) var_dump($sSQL);
1022                                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
1023                                                                         }
1024                                                                         }
1025                                                                 }
1026                                                         }
1027
1028                                                 }
1029
1030                                                 if (PEAR::IsError($aPlaceIDs))
1031                                                 {
1032                                                         failInternalError("Could not get place IDs from tokens." ,$sSQL, $aPlaceIDs);
1033                                                 }
1034
1035                                                 if (CONST_Debug) var_Dump($aPlaceIDs);
1036
1037                                                 foreach($aPlaceIDs as $iPlaceID)
1038                                                 {
1039                                                         $aResultPlaceIDs[$iPlaceID] = $iPlaceID;
1040                                                 }
1041                                                 if ($iQueryLoop > 20) break;
1042                                         }
1043                                         //exit;
1044                                         if (sizeof($aResultPlaceIDs)) break;
1045                                         if ($iGroupLoop > 4) break;
1046                                         if ($iQueryLoop > 30) break;
1047                                 }
1048 //exit;
1049                                 // Did we find anything?
1050                                 if (sizeof($aResultPlaceIDs))
1051                                 {
1052 //var_Dump($aResultPlaceIDs);exit;
1053                                         // Get the details for display (is this a redundant extra step?)
1054                                         $sPlaceIDs = join(',',$aResultPlaceIDs);
1055                                         $sOrderSQL = 'CASE ';
1056                                         foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
1057                                         {
1058                                                 $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
1059                                         }
1060                                         $sOrderSQL .= ' ELSE 10000000 END';
1061                                         $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,country_code,";
1062                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1063                                         $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
1064                                         $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
1065                                         $sSQL .= "avg(ST_X(ST_Centroid(geometry))) as lon,avg(ST_Y(ST_Centroid(geometry))) as lat, ";
1066 //                                      $sSQL .= $sOrderSQL." as porder, ";
1067                                         $sSQL .= "coalesce(importance,0.9-(rank_search::float/30)) as importance ";
1068                                         $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
1069                                         $sSQL .= "and placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
1070                                         $sSQL .= "and linked_place_id is null ";
1071                                         $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,country_code,importance";
1072                                         if (!$bDeDupe) $sSQL .= ",place_id";
1073                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1074                                         $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
1075                                         $sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
1076                                         $sSQL .= " union ";
1077                                         $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,'us' as country_code,";
1078                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1079                                         $sSQL .= "null as placename,";
1080                                         $sSQL .= "null as ref,";
1081                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1082 //                                      $sSQL .= $sOrderSQL." as porder, ";
1083                                         $sSQL .= "-0.15 as importance ";
1084                                         $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
1085                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1086                                         $sSQL .= "group by place_id";
1087                                         if (!$bDeDupe) $sSQL .= ",place_id";
1088                                         $sSQL .= " union ";
1089                                         $sSQL .= "select 'L' 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,'us' as country_code,";
1090                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1091                                         $sSQL .= "null as placename,";
1092                                         $sSQL .= "null as ref,";
1093                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1094 //                                      $sSQL .= $sOrderSQL." as porder, ";
1095                                         $sSQL .= "-0.10 as importance ";
1096                                         $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
1097                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1098                                         $sSQL .= "group by place_id";
1099                                         if (!$bDeDupe) $sSQL .= ",place_id";
1100                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1101                                         $sSQL .= "order by importance desc";
1102 //                                      $sSQL .= "order by rank_search,rank_address,porder asc";
1103                                         if (CONST_Debug) var_dump('<hr>',$sSQL);
1104                                         $aSearchResults = $oDB->getAll($sSQL);
1105 //var_dump($sSQL,$aSearchResults);exit;
1106
1107                                         if (PEAR::IsError($aSearchResults))
1108                                         {
1109                                                 failInternalError("Could not get details for place.", $sSQL, $aSearchResults);
1110                                         }
1111                                 }
1112                         } // end if ($sQuery)
1113                         else
1114                         {
1115                                 if (isset($_GET['nearlat']) && trim($_GET['nearlat'])!=='' && isset($_GET['nearlon']) && trim($_GET['nearlon']) !== '')
1116                                 {
1117                                         $iPlaceID = geocodeReverse($_GET['nearlat'], $_GET['nearlon']);
1118                                         $aResultPlaceIDs = array($iPlaceID);
1119
1120                                         // TODO: this needs refactoring!
1121
1122                                         // Get the details for display (is this a redundant extra step?)
1123                                         $sPlaceIDs = join(',',$aResultPlaceIDs);
1124                                         $sOrderSQL = 'CASE ';
1125                                         foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
1126                                         {
1127                                                 $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
1128                                         }
1129                                         $sOrderSQL .= ' ELSE 10000000 END';
1130                                         $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,country_code,";
1131                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1132                                         $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
1133                                         $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
1134                                         $sSQL .= "avg(ST_X(ST_Centroid(geometry))) as lon,avg(ST_Y(ST_Centroid(geometry))) as lat, ";
1135 //                                      $sSQL .= $sOrderSQL." as porder, ";
1136                                         $sSQL .= "coalesce(importance,0.9-(rank_search::float/30)) as importance ";
1137                                         $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
1138                                         $sSQL .= "and placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
1139                                         $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,country_code,importance";
1140                                         if (!$bDeDupe) $sSQL .= ",place_id";
1141                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1142                                         $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
1143                                         $sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
1144                                         $sSQL .= " union ";
1145                                         $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,'us' as country_code,";
1146                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1147                                         $sSQL .= "null as placename,";
1148                                         $sSQL .= "null as ref,";
1149                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1150 //                                      $sSQL .= $sOrderSQL." as porder, ";
1151                                         $sSQL .= "-0.15 as importance ";
1152                                         $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
1153                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1154                                         $sSQL .= "group by place_id";
1155                                         if (!$bDeDupe) $sSQL .= ",place_id";
1156                                         $sSQL .= " union ";
1157                                         $sSQL .= "select 'L' 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,'us' as country_code,";
1158                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1159                                         $sSQL .= "null as placename,";
1160                                         $sSQL .= "null as ref,";
1161                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1162 //                                      $sSQL .= $sOrderSQL." as porder, ";
1163                                         $sSQL .= "-0.10 as importance ";
1164                                         $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
1165                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1166                                         $sSQL .= "group by place_id";
1167                                         if (!$bDeDupe) $sSQL .= ",place_id";
1168                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1169                                         $sSQL .= "order by importance desc";
1170 //                                      $sSQL .= "order by rank_search,rank_address,porder asc";
1171                                         if (CONST_Debug) var_dump('<hr>',$sSQL);
1172                                         $aSearchResults = $oDB->getAll($sSQL);
1173 //var_dump($sSQL,$aSearchResults);exit;
1174
1175                                         if (PEAR::IsError($aSearchResults))
1176                                         {
1177                         failInternalError("Could not get details for place (near).", $sSQL, $aSearchResults);
1178                                         }
1179                                 }
1180                         }
1181                 }
1182
1183         $sSearchResult = '';
1184         if (!sizeof($aSearchResults) && isset($_GET['q']) && $_GET['q'])
1185         {
1186                 $sSearchResult = 'No Results Found';
1187         }
1188 //var_Dump($aSearchResults);
1189 //exit;
1190         $aClassType = getClassTypesWithImportance();
1191         $aRecheckWords = preg_split('/\b/',$sQuery);
1192         foreach($aRecheckWords as $i => $sWord)
1193         {
1194                 if (!$sWord) unset($aRecheckWords[$i]);
1195         }
1196         foreach($aSearchResults as $iResNum => $aResult)
1197         {
1198                 if (CONST_Search_AreaPolygons)
1199                 {
1200                         // Get the bounding box and outline polygon
1201                         $sSQL = "select place_id,numfeatures,area,outline,";
1202                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),2)) as maxlat,";
1203                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),3)) as maxlon,";
1204                         $sSQL .= "ST_AsText(outline) as outlinestring from get_place_boundingbox_quick(".$aResult['place_id'].")";
1205
1206                         $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
1207                         $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
1208                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),2)) as maxlat,";
1209                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon";
1210                         if ($bAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
1211                         if ($bAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
1212                         if ($bAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
1213                         if ($bAsText) $sSQL .= ",ST_AsText(geometry) as astext";
1214                         if ($bShowPolygons) $sSQL .= ",ST_AsText(geometry) as outlinestring";
1215                         $sSQL .= " from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
1216                         $aPointPolygon = $oDB->getRow($sSQL);
1217                         if (PEAR::IsError($aPointPolygon))
1218                         {
1219                                 failInternalError("Could not get outline.", $sSQL, $aPointPolygon);
1220                         }
1221                         if ($aPointPolygon['place_id'])
1222                         {
1223                                 if ($bAsGeoJSON) $aResult['asgeojson'] = $aPointPolygon['asgeojson'];
1224                                 if ($bAsKML) $aResult['askml'] = $aPointPolygon['askml'];
1225                                 if ($bAsSVG) $aResult['assvg'] = $aPointPolygon['assvg'];
1226                                 if ($bAsText) $aResult['astext'] = $aPointPolygon['astext'];
1227
1228                                 if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null ) {
1229                                         $aResult['lat'] = $aPointPolygon['centrelat'];
1230                                         $aResult['lon'] = $aPointPolygon['centrelon'];
1231                                 }
1232                                 if ($bShowPolygons)
1233                                 {
1234                                         // Translate geometary string to point array
1235                                         if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
1236                                         {
1237                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1238                                         }
1239                                         elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
1240                                         {
1241                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1242                                         }
1243                                         elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['outlinestring'],$aMatch))
1244                                         {
1245                                                 $fRadius = 0.01;
1246                                                 $iSteps = ($fRadius * 40000)^2;
1247                                                 $fStepSize = (2*pi())/$iSteps;
1248                                                 $aPolyPoints = array();
1249                                                 for($f = 0; $f < 2*pi(); $f += $fStepSize)
1250                                                 {
1251                                                         $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
1252                                                 }
1253                                                 $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
1254                                                 $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
1255                                                 $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
1256                                                 $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
1257                                         }
1258                                 }
1259
1260                                 // Output data suitable for display (points and a bounding box)
1261                                 if ($bShowPolygons && isset($aPolyPoints))
1262                                 {
1263                                         $aResult['aPolyPoints'] = array();
1264                                         foreach($aPolyPoints as $aPoint)
1265                                         {
1266                                                 $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1267                                         }
1268                                 }
1269                                 $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1270                         }
1271                 }
1272
1273                 if (!isset($aResult['aBoundingBox']))
1274                 {
1275                         // Default
1276                         $fDiameter = 0.0001;
1277
1278                         if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1279                                         && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1280                         {
1281                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defzoom'];
1282                         }
1283                         elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1284                                         && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1285                         {
1286                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
1287                         }
1288                         $fRadius = $fDiameter / 2;
1289
1290                         $iSteps = max(8,min(100,$fRadius * 3.14 * 100000));
1291                         $fStepSize = (2*pi())/$iSteps;
1292                         $aPolyPoints = array();
1293                         for($f = 0; $f < 2*pi(); $f += $fStepSize)
1294                         {
1295                                 $aPolyPoints[] = array('',$aResult['lon']+($fRadius*sin($f)),$aResult['lat']+($fRadius*cos($f)));
1296                         }
1297                         $aPointPolygon['minlat'] = $aResult['lat'] - $fRadius;
1298                         $aPointPolygon['maxlat'] = $aResult['lat'] + $fRadius;
1299                         $aPointPolygon['minlon'] = $aResult['lon'] - $fRadius;
1300                         $aPointPolygon['maxlon'] = $aResult['lon'] + $fRadius;
1301
1302                         // Output data suitable for display (points and a bounding box)
1303                         if ($bShowPolygons)
1304                         {
1305                                 $aResult['aPolyPoints'] = array();
1306                                 foreach($aPolyPoints as $aPoint)
1307                                 {
1308                                         $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1309                                 }
1310                         }
1311                         $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1312                 }
1313
1314                 // Is there an icon set for this type of result?
1315                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1316                         && $aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1317                 {
1318                         $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
1319                 }
1320
1321                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1322                         && $aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1323                 {
1324                         $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type']]['label'];
1325                 }
1326
1327                 if ($bShowAddressDetails)
1328                 {
1329                         $aResult['address'] = getAddressDetails($oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code']);
1330 //var_dump($aResult['address']);
1331 //exit;
1332                 }
1333
1334                 // Adjust importance for the number of exact string matches in the result
1335                 $aResult['importance'] = max(0.001,$aResult['importance']);
1336                 $iCountWords = 0;
1337                 $sAddress = $aResult['langaddress'];
1338                 foreach($aRecheckWords as $i => $sWord)
1339                 {
1340                         if (stripos($sAddress, $sWord)!==false) $iCountWords++;
1341                 }
1342                 $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
1343
1344 //if (CONST_Debug) var_dump($aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']);
1345 /*
1346                 if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
1347                         && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
1348                 {
1349                         $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'];
1350                 }
1351                 elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
1352                         && $aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
1353                 {
1354                         $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
1355                 }
1356                 else
1357                 {
1358                         $aResult['importance'] = 1000000000000000;
1359                 }
1360 */
1361                 $aResult['name'] = $aResult['langaddress'];
1362                 $aResult['foundorder'] = $iResNum;
1363                 $aSearchResults[$iResNum] = $aResult;
1364         }
1365         uasort($aSearchResults, 'byImportance');
1366
1367 //var_dump($aSearchResults);exit;
1368
1369         $aOSMIDDone = array();
1370         $aClassTypeNameDone = array();
1371         $aToFilter = $aSearchResults;
1372         $aSearchResults = array();
1373
1374         $bFirst = true;
1375         foreach($aToFilter as $iResNum => $aResult)
1376         {
1377                 if ($aResult['type'] == 'adminitrative') $aResult['type'] = 'administrative';
1378                 $aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
1379                 if ($bFirst)
1380                 {
1381                         $fLat = $aResult['lat'];
1382                         $fLon = $aResult['lon'];
1383                         if (isset($aResult['zoom'])) $iZoom = $aResult['zoom'];
1384                         $bFirst = false;
1385                 }
1386                 if (!$bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
1387                         && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['name']])))
1388                 {
1389                         $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
1390                         $aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['name']] = true;
1391                         $aSearchResults[] = $aResult;
1392                 }
1393
1394                 // Absolute limit on number of results
1395                 if (sizeof($aSearchResults) >= $iLimit) break;
1396         }
1397
1398         $sDataDate = $oDB->getOne("select TO_CHAR(lastimportdate - '1 day'::interval,'YYYY/MM/DD') from import_status limit 1");
1399
1400         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
1401         {
1402                 $sQuery .= ' ['.$_GET['nearlat'].','.$_GET['nearlon'].']';
1403         }
1404
1405         if ($sQuery)
1406         {
1407                 logEnd($oDB, $hLog, sizeof($aToFilter));
1408         }
1409         $sMoreURL = CONST_Website_BaseURL.'search?format='.urlencode($sOutputFormat).'&exclude_place_ids='.join(',',$aExcludePlaceIDs);
1410         $sMoreURL .= '&accept-language='.$_SERVER["HTTP_ACCEPT_LANGUAGE"];
1411         if ($bShowPolygons) $sMoreURL .= '&polygon=1';
1412         if ($bShowAddressDetails) $sMoreURL .= '&addressdetails=1';
1413         if (isset($_GET['viewbox']) && $_GET['viewbox']) $sMoreURL .= '&viewbox='.urlencode($_GET['viewbox']);
1414         if (isset($_GET['nearlat']) && isset($_GET['nearlon'])) $sMoreURL .= '&nearlat='.(float)$_GET['nearlat'].'&nearlon='.(float)$_GET['nearlon'];
1415         if ($sSuggestion)
1416         {
1417                 $sSuggestionURL = $sMoreURL.'&q='.urlencode($sSuggestion);
1418         }
1419         $sMoreURL .= '&q='.urlencode($sQuery);
1420
1421         if (CONST_Debug) exit;
1422
1423         include(CONST_BasePath.'/lib/template/search-'.$sOutputFormat.'.php');