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         $sSuggestion = $sSuggestionURL = false;
  17         $bDeDupe = isset($_GET['dedupe'])?(bool)$_GET['dedupe']:true;
  18         $bReverseInPlan = false;
  19         $iLimit = isset($_GET['limit'])?(int)$_GET['limit']:10;
  20         $iMaxRank = 20;
  21         if ($iLimit > 100) $iLimit = 100;
  22
  23         // Format for output
  24         if (isset($_GET['format']) && ($_GET['format'] == 'html' || $_GET['format'] == 'xml' || $_GET['format'] == 'json' ||  $_GET['format'] == 'jsonv2'))
  25         {
  26                 $sOutputFormat = $_GET['format'];
  27         }
  28
  29         // Show / use polygons
  30         $bShowPolygons = isset($_GET['polygon']) && $_GET['polygon'];
  31
  32         // Show address breakdown
  33         $bShowAddressDetails = isset($_GET['addressdetails']) && $_GET['addressdetails'];
  34
  35         // Prefered language
  36         $aLangPrefOrder = getPrefferedLangauges();
  37         if (isset($aLangPrefOrder['name:de'])) $bReverseInPlan = true;
  38         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$aLangPrefOrder))."]";
  39
  40         if (isset($_GET['exclude_place_ids']) && $_GET['exclude_place_ids'])
  41         {
  42                 foreach(explode(',',$_GET['exclude_place_ids']) as $iExcludedPlaceID)
  43                 {
  44                         $iExcludedPlaceID = (int)$iExcludedPlaceID;
  45                         if ($iExcludedPlaceID) $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
  46                 }
  47         }
  48
  49         // Search query
  50         $sQuery = (isset($_GET['q'])?trim($_GET['q']):'');
  51         if (!$sQuery && $_SERVER['PATH_INFO'] && $_SERVER['PATH_INFO'][0] == '/')
  52         {
  53                 $sQuery = substr($_SERVER['PATH_INFO'], 1);
  54
  55                 // reverse order of '/' seperated string
  56                 $aPhrases = explode('/', $sQuery);
  57                 $aPhrases = array_reverse($aPhrases);
  58                 $sQuery = join(', ',$aPhrases);
  59         }
  60
  61         if ($sQuery)
  62         {
  63                 $hLog = logStart($oDB, 'search', $sQuery, $aLangPrefOrder);
  64
  65                 // If we have a view box create the SQL
  66                 // Small is the actual view box, Large is double (on each axis) that
  67                 $sViewboxCentreSQL = $sViewboxSmallSQL = $sViewboxLargeSQL = false;
  68                 if (isset($_GET['viewboxlbrt']) && $_GET['viewboxlbrt'])
  69                 {
  70                         $aCoOrdinatesLBRT = explode(',',$_GET['viewboxlbrt']);
  71                         $_GET['viewbox'] = $aCoOrdinatesLBRT[0].','.$aCoOrdinatesLBRT[3].','.$aCoOrdinatesLBRT[2].','.$aCoOrdinatesLBRT[1];
  72                 }
  73                 if (isset($_GET['viewbox']) && $_GET['viewbox'])
  74                 {
  75                         $aCoOrdinates = explode(',',$_GET['viewbox']);
  76                         $sViewboxSmallSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
  77                         $fHeight = $aCoOrdinates[0]-$aCoOrdinates[2];
  78                         $fWidth = $aCoOrdinates[1]-$aCoOrdinates[3];
  79                         $aCoOrdinates[0] += $fHeight;
  80                         $aCoOrdinates[2] -= $fHeight;
  81                         $aCoOrdinates[1] += $fWidth;
  82                         $aCoOrdinates[3] -= $fWidth;
  83                         $sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
  84                 }
  85                 if (isset($_GET['route']) && $_GET['route'] && isset($_GET['routewidth']) && $_GET['routewidth'])
  86                 {
  87                         $aPoints = explode(',',$_GET['route']);
  88                         if (sizeof($aPoints) % 2 != 0)
  89                         {
  90                                 echo "Uneven number of points";
  91                                 exit;
  92                         }
  93                         $sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
  94                         $fPrevCoord = false;
  95                         foreach($aPoints as $i => $fPoint)
  96                         {
  97                                 if ($i%2)
  98                                 {
  99                                         if ($i != 1) $sViewboxCentreSQL .= ",";
 100                                         $sViewboxCentreSQL .= ((float)$fPoint).' '.$fPrevCoord;
 101                                 }
 102                                 else
 103                                 {
 104                                         $fPrevCoord = (float)$fPoint;
 105                                 }
 106                         }
 107                         $sViewboxCentreSQL .= ")'::geometry,4326)";
 108
 109                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/69).")";
 110                         $sViewboxSmallSQL = $oDB->getOne($sSQL);
 111                         if (PEAR::isError($sViewboxSmallSQL))
 112                         {
 113                                 var_dump($sViewboxSmallSQL);
 114                                 exit;
 115                         }
 116                         $sViewboxSmallSQL = "'".$sViewboxSmallSQL."'::geometry";
 117
 118                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/30).")";
 119                         $sViewboxLargeSQL = $oDB->getOne($sSQL);
 120                         if (PEAR::isError($sViewboxLargeSQL))
 121                         {
 122                                 var_dump($sViewboxLargeSQL);
 123                                 exit;
 124                         }
 125                         $sViewboxLargeSQL = "'".$sViewboxLargeSQL."'::geometry";
 126                 }
 127
 128                 // Do we have anything that looks like a lat/lon pair?
 129                 if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[ ]+([0-9.]+)?[, ]+([EW])[ ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?\\b/', $sQuery, $aData))
 130                 {
 131                         $_GET['nearlat'] = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
 132                         $_GET['nearlon'] = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
 133                         $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 134                 }
 135                 elseif (preg_match('/\\b([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([NS])[, ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([EW])\\b/', $sQuery, $aData))
 136                 {
 137                         $_GET['nearlat'] = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
 138                         $_GET['nearlon'] = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
 139                         $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 140                 }
 141                 elseif (preg_match('/(\\[|\\b)(-?[0-9]+[0-9.]*)[, ]+(-?[0-9]+[0-9.]*)(\\]|\\b])/', $sQuery, $aData))
 142                 {
 143                         $_GET['nearlat'] = $aData[2];
 144                         $_GET['nearlon'] = $aData[3];
 145                         $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 146                 }
 147
 148                 if ($sQuery)
 149                 {
 150
 151                         // Start with a blank search
 152                         $aSearches = array(
 153                                 array('iSearchRank' => 0, 'iNamePhrase' => 0, 'sCountryCode' => false, 'aName'=>array(), 'aAddress'=>array(),
 154                                         'sOperator'=>'', 'aFeatureName' => array(), 'sClass'=>'', 'sType'=>'', 'sHouseNumber'=>'', 'fLat'=>'', 'fLon'=>'', 'fRadius'=>'')
 155                         );
 156
 157                         $sNearPointSQL = false;
 158                         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
 159                         {
 160                                 $sNearPointSQL = "ST_SetSRID(ST_Point(".(float)$_GET['nearlon'].",".$_GET['nearlat']."),4326)";
 161                                 $aSearches[0]['fLat'] = (float)$_GET['nearlat'];
 162                                 $aSearches[0]['fLon'] = (float)$_GET['nearlon'];
 163                                 $aSearches[0]['fRadius'] = 0.1;
 164                         }
 165
 166                         $bSpecialTerms = false;
 167                         preg_match_all('/\\[(.*)=(.*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 168                         $aSpecialTerms = array();
 169                         foreach($aSpecialTermsRaw as $aSpecialTerm)
 170                         {
 171                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 172                                 $aSpecialTerms[strtolower($aSpecialTerm[1])] = $aSpecialTerm[2];
 173                         }
 174
 175                         preg_match_all('/\\[([a-zA-Z]*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 176                         $aSpecialTerms = array();
 177                         foreach($aSpecialTermsRaw as $aSpecialTerm)
 178                         {
 179                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 180                                 $sToken = $oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
 181                                 $sSQL = 'select * from (select word_id,word_token, word, class, type, location, country_code, operator';
 182                                 $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class != \'place\') or country_code is not null';
 183                                 $aSearchWords = $oDB->getAll($sSQL);
 184                                 $aNewSearches = array();
 185                                 foreach($aSearches as $aSearch)
 186                                 {
 187                                         foreach($aSearchWords as $aSearchTerm)
 188                                         {
 189                                                 $aNewSearch = $aSearch;
 190                                                 if ($aSearchTerm['country_code'])
 191                                                 {
 192                                                         $aNewSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 193                                                         $aNewSearches[] = $aNewSearch;
 194                                                         $bSpecialTerms = true;
 195                                                 }
 196                                                 if ($aSearchTerm['class'])
 197                                                 {
 198                                                         $aNewSearch['sClass'] = $aSearchTerm['class'];
 199                                                         $aNewSearch['sType'] = $aSearchTerm['type'];
 200                                                         $aNewSearches[] = $aNewSearch;
 201                                                         $bSpecialTerms = true;
 202                                                 }
 203                                         }
 204                                 }
 205                                 $aSearches = $aNewSearches;
 206                         }
 207
 208                         // Split query into phrases
 209                         // Commas are used to reduce the search space by indicating where phrases split
 210                         $aPhrases = explode(',',$sQuery);
 211
 212                         // Convert each phrase to standard form
 213                         // Create a list of standard words
 214                         // Get all 'sets' of words
 215                         // Generate a complete list of all
 216                         $aTokens = array();
 217                         foreach($aPhrases as $iPhrase => $sPhrase)
 218                         {
 219                                 $aPhrase = $oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
 220                                 if (PEAR::isError($aPhrase))
 221                                 {
 222                                         var_dump($aPhrase);
 223                                         exit;
 224                                 }
 225                                 if (trim($aPhrase['string']))
 226                                 {
 227                                         $aPhrases[$iPhrase] = $aPhrase;
 228                                         $aPhrases[$iPhrase]['words'] = explode(' ',$aPhrases[$iPhrase]['string']);
 229                                         $aPhrases[$iPhrase]['wordsets'] = getWordSets($aPhrases[$iPhrase]['words']);
 230                                         $aTokens = array_merge($aTokens, getTokensFromSets($aPhrases[$iPhrase]['wordsets']));
 231                                 }
 232                                 else
 233                                 {
 234                                         unset($aPhrases[$iPhrase]);
 235                                 }
 236                         }
 237
 238                         // reindex phrases - we make assumptions later on
 239                         $aPhrases = array_values($aPhrases);
 240
 241                         if (sizeof($aTokens))
 242                         {
 243
 244                         // Check which tokens we have, get the ID numbers
 245                         $sSQL = 'select word_id,word_token, word, class, type, location, country_code, operator';
 246                         $sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
 247 //                      $sSQL .= ' group by word_token, word, class, type, location,country_code';
 248
 249                         if (CONST_Debug) var_Dump($sSQL);
 250
 251                         $aValidTokens = array();
 252                         if (sizeof($aTokens))
 253                                 $aDatabaseWords = $oDB->getAll($sSQL);
 254                         else
 255                                 $aDatabaseWords = array();
 256                         if (PEAR::IsError($aDatabaseWords))
 257                         {
 258                                 var_dump($sSQL, $aDatabaseWords);
 259                                 exit;
 260                         }
 261                         foreach($aDatabaseWords as $aToken)
 262                         {
 263                                 if (isset($aValidTokens[$aToken['word_token']]))
 264                                 {
 265                                         $aValidTokens[$aToken['word_token']][] = $aToken;
 266                                 }
 267                                 else
 268                                 {
 269                                         $aValidTokens[$aToken['word_token']] = array($aToken);
 270                                 }
 271                         }
 272                         if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
 273
 274                         $aSuggestion = array();
 275                         $bSuggestion = false;
 276                         if (CONST_Suggestions_Enabled)
 277                         {
 278                                 foreach($aPhrases as $iPhrase => $aPhrase)
 279                                 {
 280                                         if (!isset($aValidTokens[' '.$aPhrase['wordsets'][0][0]]))
 281                                         {
 282                                                 $sQuotedPhrase = getDBQuoted(' '.$aPhrase['wordsets'][0][0]);
 283                                                 $aSuggestionWords = getWordSuggestions($oDB, $aPhrase['wordsets'][0][0]);
 284                                                 $aRow = $aSuggestionWords[0];
 285                                                 if ($aRow && $aRow['word'])
 286                                                 {
 287                                                         $aSuggestion[] = $aRow['word'];
 288                                                         $bSuggestion = true;
 289                                                 }
 290                                                 else
 291                                                 {
 292                                                         $aSuggestion[] = $aPhrase['string'];
 293                                                 }
 294                                         }
 295                                         else
 296                                         {
 297                                                 $aSuggestion[] = $aPhrase['string'];
 298                                         }
 299                                 }
 300                         }
 301                         if ($bSuggestion) $sSuggestion = join(', ',$aSuggestion);
 302
 303                         // Try and calculate GB postcodes we might be missing
 304                         foreach($aTokens as $sToken)
 305                         {
 306                                 if (!isset($aValidTokens[$sToken]) && !isset($aValidTokens[' '.$sToken]) && preg_match('/^([A-Z][A-Z]?[0-9][0-9A-Z]? ?[0-9])([A-Z][A-Z])$/', strtoupper(trim($sToken)), $aData))
 307                                 {
 308                                         if (substr($aData[1],-2,1) != ' ')
 309                                         {
 310                                                 $aData[0] = substr($aData[0],0,strlen($aData[1]-1)).' '.substr($aData[0],strlen($aData[1]-1));
 311                                                 $aData[1] = substr($aData[1],0,-1).' '.substr($aData[1],-1,1);
 312                                         }
 313                                         $aGBPostcodeLocation = gbPostcodeCalculate($aData[0], $aData[1], $aData[2], $oDB);
 314                                         if ($aGBPostcodeLocation)
 315                                         {
 316                                                 $aValidTokens[$sToken] = $aGBPostcodeLocation;
 317                                         }
 318                                 }
 319                         }
 320
 321                         // Any words that have failed completely?
 322                         // TODO: suggestions
 323
 324                         // Start the search process
 325                         $aResultPlaceIDs = array();
 326
 327                         /*
 328                                 Calculate all searches using aValidTokens i.e.
 329
 330                                 'Wodsworth Road, Sheffield' =>
 331
 332                                 Phrase Wordset
 333                                 0      0       (wodsworth road)
 334                                 0      1       (wodsworth)(road)
 335                                 1      0       (sheffield)
 336
 337                                 Score how good the search is so they can be ordered
 338                         */
 339
 340                                 foreach($aPhrases as $iPhrase => $sPhrase)
 341                                 {
 342                                         $aNewPhraseSearches = array();
 343
 344                                         foreach($aPhrases[$iPhrase]['wordsets'] as $iWordset => $aWordset)
 345                                         {
 346                                                 $aWordsetSearches = $aSearches;
 347
 348                                                 // Add all words from this wordset
 349                                                 foreach($aWordset as $sToken)
 350                                                 {
 351                                                         $aNewWordsetSearches = array();
 352
 353                                                         foreach($aWordsetSearches as $aCurrentSearch)
 354                                                         {
 355                                                                 // If the token is valid
 356                                                                 if (isset($aValidTokens[' '.$sToken]))
 357                                                                 {
 358                                                                         foreach($aValidTokens[' '.$sToken] as $aSearchTerm)
 359                                                                         {
 360                                                                                 $aSearch = $aCurrentSearch;
 361                                                                                 $aSearch['iSearchRank']++;
 362                                                                                 if ($aSearchTerm['country_code'] !== null && $aSearchTerm['country_code'] != '0')
 363                                                                                 {
 364                                                                                         if ($aSearch['sCountryCode'] === false)
 365                                                                                         {
 366                                                                                                 $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 367                                                                                                 // Country is almost always at the end of the string - increase score for finding it anywhere else (opimisation)
 368                                                                                                 if ($iWordset+1 != sizeof($aPhrases[$iPhrase]['wordsets']) || $iPhrase+1 != sizeof($aPhrases)) $aSearch['iSearchRank'] += 5;
 369                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 370                                                                                         }
 371                                                                                 }
 372                                                                                 elseif ($aSearchTerm['lat'] !== '' && $aSearchTerm['lat'] !== null)
 373                                                                                 {
 374                                                                                         if ($aSearch['fLat'] === '')
 375                                                                                         {
 376                                                                                                 $aSearch['fLat'] = $aSearchTerm['lat'];
 377                                                                                                 $aSearch['fLon'] = $aSearchTerm['lon'];
 378                                                                                                 $aSearch['fRadius'] = $aSearchTerm['radius'];
 379                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 380                                                                                         }
 381                                                                                 }
 382                                                                                 elseif ($aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
 383                                                                                 {
 384                                                                                         if ($aSearch['sHouseNumber'] === '')
 385                                                                                         {
 386                                                                                                 $aSearch['sHouseNumber'] = $sToken;
 387                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 388
 389                                                                                                 // Fall back to not searching for this item (better than nothing)
 390                                                                                                 $aSearch = $aCurrentSearch;
 391                                                                                                 $aSearch['iSearchRank'] += 2;
 392                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 393                                                                                         }
 394                                                                                 }
 395                                                                                 elseif ($aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
 396                                                                                 {
 397                                                                                         if ($aSearch['sClass'] === '')
 398                                                                                         {
 399                                                                                                 $aSearch['sOperator'] = $aSearchTerm['operator'];
 400                                                                                                 $aSearch['sClass'] = $aSearchTerm['class'];
 401                                                                                                 $aSearch['sType'] = $aSearchTerm['type'];
 402                                                                                                 if (sizeof($aSearch['aName'])) $aSearch['sOperator'] = 'name';
 403                                                                                                 else $aSearch['sOperator'] = 'near'; // near = in for the moment
 404
 405                                                                                                 // Do we have a shortcut id?
 406                                                                                                 if ($aSearch['sOperator'] == 'name')
 407                                                                                                 {
 408                                                                                                         $sSQL = "select get_tagpair('".$aSearch['sClass']."', '".$aSearch['sType']."')";
 409                                                                                                         if ($iAmenityID = $oDB->getOne($sSQL))
 410                                                                                                         {
 411                                                                                                                 $aValidTokens[$aSearch['sClass'].':'.$aSearch['sType']] = array('word_id' => $iAmenityID);
 412                                                                                                                 $aSearch['aName'][$iAmenityID] = $iAmenityID;
 413                                                                                                                 $aSearch['sClass'] = '';
 414                                                                                                                 $aSearch['sType'] = '';
 415                                                                                                         }
 416                                                                                                 }
 417                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 418                                                                                         }
 419                                                                                 }
 420                                                                                 else
 421                                                                                 {
 422                                                                                         $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 423                                                                                         if (!sizeof($aSearch['aName']))
 424                                                                                         {
 425                                                                                                 $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 426                                                                                                 $aSearch['iNamePhrase'] = $iPhrase;
 427                                                                                         }
 428                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 429                                                                                 }
 430                                                                         }
 431                                                                 }
 432                                                                 if (isset($aValidTokens[$sToken]))
 433                                                                 {
 434                                                                         // Allow searching for a word - but at extra cost
 435                                                                         foreach($aValidTokens[$sToken] as $aSearchTerm)
 436                                                                         {
 437                                                                                 $aSearch = $aCurrentSearch;
 438                                                                                 $aSearch['iSearchRank']+=5;
 439                                                                                 $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 440                                                                                 if (!sizeof($aSearch['aName']) || $aSearch['iNamePhrase'] == $iPhrase)
 441                                                                                 {
 442                                                                                         $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 443                                                                                         $aSearch['iNamePhrase'] = $iPhrase;
 444                                                                                 }
 445                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 446                                                                         }
 447                                                                 }
 448                                                                 else
 449                                                                 {
 450                                                                         // Allow skipping a word - but at EXTREAM cost
 451                                                                         //$aSearch = $aCurrentSearch;
 452                                                                         //$aSearch['iSearchRank']+=100;
 453                                                                         //$aNewWordsetSearches[] = $aSearch;
 454                                                                 }
 455                                                         }
 456                                                         // Sort and cut
 457                                                         usort($aNewWordsetSearches, 'bySearchRank');
 458                                                         $aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
 459                                                 }
 460 //                                              var_Dump('<hr>',sizeof($aWordsetSearches)); exit;
 461
 462                                                 $aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
 463                                                 usort($aNewPhraseSearches, 'bySearchRank');
 464                                                 $aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
 465                                         }
 466
 467                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
 468                                         $aGroupedSearches = array();
 469                                         foreach($aNewPhraseSearches as $aSearch)
 470                                         {
 471                                                 if ($aSearch['iSearchRank'] < $iMaxRank)
 472                                                 {
 473                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 474                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 475                                                 }
 476                                         }
 477                                         ksort($aGroupedSearches);
 478
 479                                         $iSearchCount = 0;
 480                                         $aSearches = array();
 481                                         foreach($aGroupedSearches as $iScore => $aNewSearches)
 482                                         {
 483                                                 $iSearchCount += sizeof($aNewSearches);
 484                                                 $aSearches = array_merge($aSearches, $aNewSearches);
 485                                                 if ($iSearchCount > 50) break;
 486                                         }
 487                                 }
 488                         }
 489                         else
 490                         {
 491                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
 492                                         $aGroupedSearches = array();
 493                                         foreach($aSearches as $aSearch)
 494                                         {
 495                                                 if ($aSearch['iSearchRank'] < $iMaxRank)
 496                                                 {
 497                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 498                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 499                                                 }
 500                                         }
 501                                         ksort($aGroupedSearches);
 502                         }
 503
 504                                 if (CONST_Debug) var_Dump($aGroupedSearches);
 505
 506                                 if ($bReverseInPlan)
 507                                 {
 508                                         foreach($aGroupedSearches as $iGroup => $aSearches)
 509                                         {
 510                                                 foreach($aSearches as $iSearch => $aSearch)
 511                                                 {
 512                                                         if (sizeof($aSearch['aAddress']))
 513                                                         {
 514                                                                 $aReverseSearch = $aSearch;
 515                                                                 $iReverseItem = array_pop($aSearch['aAddress']);
 516                                                                 $aReverseSearch['aName'][$iReverseItem] = $iReverseItem;
 517                                                                 $aGroupedSearches[$iGroup][] = $aReverseSearch;
 518                                                         }
 519                                                 }
 520                                         }
 521                                 }
 522
 523 //var_Dump($aGroupedSearches); exit;
 524
 525                                 // Filter out duplicate searches
 526                                 $aSearchHash = array();
 527                                 foreach($aGroupedSearches as $iGroup => $aSearches)
 528                                 {
 529                                         foreach($aSearches as $iSearch => $aSearch)
 530                                         {
 531                                                 $sHash = serialize($aSearch);
 532                                                 if (isset($aSearchHash[$sHash]))
 533                                                 {
 534                                                         unset($aGroupedSearches[$iGroup][$iSearch]);
 535                                                         if (sizeof($aGroupedSearches[$iGroup]) == 0) unset($aGroupedSearches[$iGroup]);
 536                                                 }
 537                                                 else
 538                                                 {
 539                                                         $aSearchHash[$sHash] = 1;
 540                                                 }
 541                                         }
 542                                 }
 543
 544                                 if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 545
 546                                 if ($bReverseInPlan)
 547                                 {
 548                                         foreach($aGroupedSearches as $iGroup => $aSearches)
 549                                         {
 550                                                 foreach($aSearches as $iSearch => $aSearch)
 551                                                 {
 552                                                         if (sizeof($aSearch['aAddress']))
 553                                                         {
 554                                                                 $aReverseSearch = $aSearch;
 555                                                                 $iReverseItem = array_pop($aSearch['aAddress']);
 556                                                                 $aReverseSearch['aName'][$iReverseItem] = $iReverseItem;
 557                                                                 $aGroupedSearches[$iGroup][] = $aReverseSearch;
 558                                                         }
 559                                                 }
 560                                         }
 561                                 }
 562
 563                                 // Filter out duplicate searches
 564                                 $aSearchHash = array();
 565                                 foreach($aGroupedSearches as $iGroup => $aSearches)
 566                                 {
 567                                         foreach($aSearches as $iSearch => $aSearch)
 568                                         {
 569                                                 $sHash = serialize($aSearch);
 570                                                 if (isset($aSearchHash[$sHash]))
 571                                                 {
 572                                                         unset($aGroupedSearches[$iGroup][$iSearch]);
 573                                                         if (sizeof($aGroupedSearches[$iGroup]) == 0) unset($aGroupedSearches[$iGroup]);
 574                                                 }
 575                                                 else
 576                                                 {
 577                                                         $aSearchHash[$sHash] = 1;
 578                                                 }
 579                                         }
 580                                 }
 581
 582                                 if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 583
 584                                 $iGroupLoop = 0;
 585                                 $iQueryLoop = 0;
 586                                 foreach($aGroupedSearches as $iGroupedRank => $aSearches)
 587                                 {
 588                                         $iGroupLoop++;
 589                                         foreach($aSearches as $aSearch)
 590                                         {
 591                                                 $iQueryLoop++;
 592                                                 // Must have a location term
 593                                                 if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']))
 594                                                 {
 595                                                         if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
 596                                                         if (!$aSearch['sClass']) continue;
 597                                                         if (CONST_Debug) var_dump('<hr>',$aSearch);
 598                                                         if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
 599
 600                                                         $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
 601                                                         if ($oDB->getOne($sSQL))
 602                                                         {
 603                                                                 $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType'];
 604                                                                 $sSQL .= " where st_contains($sViewboxSmallSQL, centroid)";
 605                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
 606                                                                 $sSQL .= " limit $iLimit";
 607                                                                 if (CONST_Debug) var_dump($sSQL);
 608                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 609
 610                                                                 if (!sizeof($aPlaceIDs))
 611                                                                 {
 612                                                                         $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType'];
 613                                                                         $sSQL .= " where st_contains($sViewboxLargeSQL, centroid)";
 614                                                                         if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
 615                                                                         $sSQL .= " limit $iLimit";
 616                                                                         if (CONST_Debug) var_dump($sSQL);
 617                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 618                                                                 }
 619                                                         }
 620                                                         else
 621                                                         {
 622                                                                 $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
 623                                                                 $sSQL .= " and st_contains($sViewboxSmallSQL, centroid)";
 624                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
 625                                                                 $sSQL .= " limit $iLimit";
 626                                                                 if (CONST_Debug) var_dump($sSQL);
 627                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 628                                                         }
 629                                                 }
 630                                                 else
 631                                                 {
 632                                                         if ($aSearch['aName'] == array(282=>'282')) continue;
 633
 634                                                         if (CONST_Debug) var_dump('<hr>',$aSearch);
 635                                                         if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
 636                                                         $aPlaceIDs = array();
 637
 638                                                         // First we need a position, either aName or fLat or both
 639                                                         $aTerms = array();
 640                                                         $aOrder = array();
 641                                                         if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";
 642                                                         if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress']) $aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'],",")."]";
 643                                                         if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
 644                                                         if ($aSearch['sHouseNumber']) $aTerms[] = "address_rank in (26,27)";
 645                                                         if ($aSearch['fLon'] && $aSearch['fLat'])
 646                                                         {
 647                                                                 $aTerms[] = "ST_DWithin(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326), ".$aSearch['fRadius'].")";
 648                                                                 $aOrder[] = "ST_Distance(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326)) ASC";
 649                                                         }
 650                                                         if (sizeof($aExcludePlaceIDs))
 651                                                         {
 652                                                                 $aTerms[] = "place_id not in (".join(',',$aExcludePlaceIDs).")";
 653                                                         }
 654                                                         if ($bBoundingBoxSearch) $aTerms[] = "centroid && $sViewboxSmallSQL";
 655                                                         if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc";
 656                                                         if ($sViewboxSmallSQL) $aOrder[] = "ST_Contains($sViewboxSmallSQL, centroid) desc";
 657                                                         if ($sViewboxLargeSQL) $aOrder[] = "ST_Contains($sViewboxLargeSQL, centroid) desc";
 658                                                         $aOrder[] = "search_rank ASC";
 659
 660                                                         if (sizeof($aTerms))
 661                                                         {
 662                                                                 $sSQL = "select place_id";
 663                                                                 if ($sViewboxSmallSQL) $sSQL .= ",ST_Contains($sViewboxSmallSQL, centroid) as in_small";
 664                                                                 else $sSQL .= ",false as in_small";
 665                                                                 if ($sViewboxLargeSQL) $sSQL .= ",ST_Contains($sViewboxLargeSQL, centroid) as in_large";
 666                                                                 else $sSQL .= ",false as in_large";
 667                                                                 $sSQL .= " from search_name";
 668                                                                 $sSQL .= " where ".join(' and ',$aTerms);
 669                                                                 $sSQL .= " order by ".join(', ',$aOrder);
 670                                                                 if ($aSearch['sHouseNumber'])
 671                                                                         $sSQL .= " limit 50";
 672                                                                 elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
 673                                                                         $sSQL .= " limit 1";
 674                                                                 else
 675                                                                         $sSQL .= " limit ".$iLimit;
 676
 677                                                                 if (CONST_Debug) var_dump($sSQL);
 678                                                                 $aViewBoxPlaceIDs = $oDB->getAll($sSQL);
 679                                                                 if (PEAR::IsError($aViewBoxPlaceIDs))
 680                                                                 {
 681                                                                         var_dump($sSQL, $aViewBoxPlaceIDs);
 682                                                                         exit;
 683                                                                 }
 684
 685                                                                 // Did we have an viewbox matches?
 686                                                                 $aPlaceIDs = array();
 687                                                                 $bViewBoxMatch = false;
 688                                                                 foreach($aViewBoxPlaceIDs as $aViewBoxRow)
 689                                                                 {
 690                                                                         if ($bViewBoxMatch == 1 && $aViewBoxRow['in_small'] == 'f') break;
 691                                                                         if ($bViewBoxMatch == 2 && $aViewBoxRow['in_large'] == 'f') break;
 692                                                                         if ($aViewBoxRow['in_small'] == 't') $bViewBoxMatch = 1;
 693                                                                         else if ($aViewBoxRow['in_large'] == 't') $bViewBoxMatch = 2;
 694                                                                         $aPlaceIDs[] = $aViewBoxRow['place_id'];
 695                                                                 }
 696                                                         }
 697
 698                                                         if ($aSearch['sHouseNumber'] && sizeof($aPlaceIDs))
 699                                                         {
 700                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
 701
 702                                                                 $sHouseNumberRegex = '\\\\m'.str_replace(' ','[-, ]',$aSearch['sHouseNumber']).'\\\\M';
 703
 704                                                                 // Make sure everything nearby is indexed (if we pre-indexed houses this wouldn't be needed!)
 705                                                                 $sSQL = "update placex set indexed = true from placex as f where placex.indexed = false";
 706                                                                 $sSQL .= " and f.place_id in (".$sPlaceIDs.") and ST_DWithin(placex.geometry, f.geometry, 0.004)";
 707                                                                 $sSQL .= " and placex.housenumber ~* E'".$sHouseNumberRegex."'";
 708                                                                 $sSQL .= " and placex.class='place' and placex.type='house'";
 709                                                                 if (CONST_Debug) var_dump($sSQL);
 710                                                                 $oDB->query($sSQL);
 711
 712                                                                 // Now they are indexed look for a house attached to a street we found
 713                                                                 $sSQL = "select place_id from placex where street_place_id in (".$sPlaceIDs.") and housenumber ~* E'".$sHouseNumberRegex."'";
 714                                                                 if (sizeof($aExcludePlaceIDs))
 715                                                                 {
 716                                                                         $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 717                                                                 }
 718                                                                 $sSQL .= " limit $iLimit";
 719                                                                 if (CONST_Debug) var_dump($sSQL);
 720                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 721                                                         }
 722
 723                                                         if ($aSearch['sClass'] && sizeof($aPlaceIDs))
 724                                                         {
 725                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
 726
 727                                                                 if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
 728                                                                 {
 729                                                                         // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
 730                                                                         $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
 731                                                                         $sSQL .= " order by rank_search asc limit $iLimit";
 732                                                                         if (CONST_Debug) var_dump($sSQL);
 733                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 734                                                                 }
 735
 736                                                                 if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
 737                                                                 {
 738                                                                         $sSQL = "select rank_search from placex where place_id in ($sPlaceIDs) order by rank_search asc limit 1";
 739                                                                         if (CONST_Debug) var_dump($sSQL);
 740                                                                         $iMaxRank = ((int)$oDB->getOne($sSQL)) + 5;
 741
 742                                                                         $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
 743                                                                         if (CONST_Debug) var_dump($sSQL);
 744                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 745                                                                         $sPlaceIDs = join(',',$aPlaceIDs);
 746
 747                                                                         $fRange = 0.01;
 748                                                                         $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
 749                                                                         if ($oDB->getOne($sSQL))
 750                                                                         {
 751                                                                                 // More efficient - can make the range bigger
 752                                                                         $fRange = 0.05;
 753                                                                                 $sSQL = "select l.place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";
 754                                                                                 $sSQL .= ",placex as f where ";
 755                                                                                 $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, st_centroid(f.geometry), $fRange) ";
 756                                                                                 if (sizeof($aExcludePlaceIDs))
 757                                                                                 {
 758                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
 759                                                                                 }
 760                                                                                 if ($sNearPointSQL) $sSQL .= " order by ST_Distance($sNearPointSQL, l.geometry) ASC";
 761                                                                                 else $sSQL .= " order by ST_Distance(l.centroid, f.geometry) asc";
 762                                                                                 $sSQL .= " limit $iLimit";
 763                                                                                 if (CONST_Debug) var_dump($sSQL);
 764                                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 765                                                                         }
 766                                                                         else
 767                                                                         {
 768                                                                                 if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];
 769                                                                                 $sSQL = "select l.place_id from placex as l,placex as f where ";
 770                                                                                 $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.geometry, st_centroid(f.geometry), $fRange) ";
 771                                                                                 $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
 772                                                                                 if (sizeof($aExcludePlaceIDs))
 773                                                                                 {
 774                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
 775                                                                                 }
 776                                                                                 if ($sNearPointSQL) $sSQL .= " order by ST_Distance($sNearPointSQL, l.geometry) ASC";
 777                                                                                 else $sSQL .= " order by ST_Distance(l.geometry, f.geometry) asc, l.rank_search ASC";
 778                                                                                 $sSQL .= " limit $iLimit";
 779                                                                                 if (CONST_Debug) var_dump($sSQL);
 780                                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 781                                                                         }
 782                                                                 }
 783                                                         }
 784
 785                                                 }
 786
 787                                                 if (PEAR::IsError($aPlaceIDs))
 788                                                 {
 789                                                         var_dump($sSQL, $aPlaceIDs);
 790                                                         exit;
 791                                                 }
 792
 793                                                 if (CONST_Debug) var_Dump($aPlaceIDs);
 794
 795                                                 foreach($aPlaceIDs as $iPlaceID)
 796                                                 {
 797                                                         $aResultPlaceIDs[$iPlaceID] = $iPlaceID;
 798                                                 }
 799                                                 if ($iQueryLoop > 20) break;
 800                                         }
 801                                         //exit;
 802                                         if (sizeof($aResultPlaceIDs)) break;
 803                                         if ($iGroupLoop > 4) break;
 804                                         if ($iQueryLoop > 30) break;
 805                                 }
 806 //exit;
 807                                 // Did we find anything?
 808                                 if (sizeof($aResultPlaceIDs))
 809                                 {
 810 //var_Dump($aResultPlaceIDs);exit;
 811                                         // Get the details for display (is this a redundant extra step?)
 812                                         $sPlaceIDs = join(',',$aResultPlaceIDs);
 813                                         $sOrderSQL = 'CASE ';
 814                                         foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
 815                                         {
 816                                                 $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
 817                                         }
 818                                         $sOrderSQL .= ' ELSE 10000000 END ASC';
 819                                         $sSQL = "select osm_type,osm_id,class,type,rank_search,rank_address,min(place_id) as place_id,country_code,";
 820                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
 821                                         $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
 822                                         $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
 823                                         $sSQL .= "avg(ST_X(ST_Centroid(geometry))) as lon,avg(ST_Y(ST_Centroid(geometry))) as lat ";
 824                                         $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
 825                                         $sSQL .= "group by osm_type,osm_id,class,type,rank_search,rank_address,country_code";
 826                                         if (!$bDeDupe) $sSQL .= ",place_id";
 827                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
 828                                         $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
 829                                         $sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
 830                                         $sSQL .= "order by rank_search,rank_address,".$sOrderSQL;
 831                                         if (CONST_Debug) var_dump('<hr>',$sSQL);
 832                                         $aSearchResults = $oDB->getAll($sSQL);
 833 //var_dump($sSQL,$aSearchResults);exit;
 834
 835                                         if (PEAR::IsError($aSearchResults))
 836                                         {
 837                                                 var_dump($sSQL, $aSearchResults);
 838                                                 exit;
 839                                         }
 840                                 }
 841                         }
 842                 }
 843
 844         $sSearchResult = '';
 845         if (!sizeof($aSearchResults) && isset($_GET['q']) && $_GET['q'])
 846         {
 847                 $sSearchResult = 'No Results Found';
 848         }
 849
 850         $aClassType = getClassTypesWithImportance();
 851
 852         foreach($aSearchResults as $iResNum => $aResult)
 853         {
 854                 if (CONST_Search_AreaPolygons || true)
 855                 {
 856                         // Get the bounding box and outline polygon
 857                         $sSQL = "select place_id,numfeatures,area,outline,";
 858                         $sSQL .= "ST_Y(ST_PointN(ExteriorRing(ST_Box2D(outline)),4)) as minlat,ST_Y(ST_PointN(ExteriorRing(ST_Box2D(outline)),2)) as maxlat,";
 859                         $sSQL .= "ST_X(ST_PointN(ExteriorRing(ST_Box2D(outline)),1)) as minlon,ST_X(ST_PointN(ExteriorRing(ST_Box2D(outline)),3)) as maxlon,";
 860                         $sSQL .= "ST_AsText(outline) as outlinestring from get_place_boundingbox_quick(".$aResult['place_id'].")";
 861                         $aPointPolygon = $oDB->getRow($sSQL);
 862                         if (PEAR::IsError($aPointPolygon))
 863                         {
 864                                 var_dump($sSQL, $aPointPolygon);
 865                                 exit;
 866                         }
 867                         if ($aPointPolygon['place_id'])
 868                         {
 869                                 // Translate geometary string to point array
 870                                 if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
 871                                 {
 872                                         preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
 873                                 }
 874                                 elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['outlinestring'],$aMatch))
 875                                 {
 876                                         $fRadius = 0.01;
 877                                         $iSteps = ($fRadius * 40000)^2;
 878                                         $fStepSize = (2*pi())/$iSteps;
 879                                         $aPolyPoints = array();
 880                                         for($f = 0; $f < 2*pi(); $f += $fStepSize)
 881                                         {
 882                                                 $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
 883                                         }
 884                                         $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
 885                                         $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
 886                                         $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
 887                                         $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
 888                                 }
 889
 890                                 // Output data suitable for display (points and a bounding box)
 891                                 if ($bShowPolygons)
 892                                 {
 893                                         $aResult['aPolyPoints'] = array();
 894                                         foreach($aPolyPoints as $aPoint)
 895                                         {
 896                                                 $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
 897                                         }
 898                                 }
 899                                 $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
 900                         }
 901                 }
 902
 903                 if (!isset($aResult['aBoundingBox']))
 904                 {
 905                         // Default
 906                         $fDiameter = 0.0001;
 907
 908                         if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
 909                                         && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
 910                         {
 911                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defzoom'];
 912                         }
 913                         elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
 914                                         && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
 915                         {
 916                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
 917                         }
 918                         $fRadius = $fDiameter / 2;
 919
 920                         $iSteps = max(8,min(100,$fRadius * 3.14 * 100000));
 921                         $fStepSize = (2*pi())/$iSteps;
 922                         $aPolyPoints = array();
 923                         for($f = 0; $f < 2*pi(); $f += $fStepSize)
 924                         {
 925                                 $aPolyPoints[] = array('',$aResult['lon']+($fRadius*sin($f)),$aResult['lat']+($fRadius*cos($f)));
 926                         }
 927                         $aPointPolygon['minlat'] = $aResult['lat'] - $fRadius;
 928                         $aPointPolygon['maxlat'] = $aResult['lat'] + $fRadius;
 929                         $aPointPolygon['minlon'] = $aResult['lon'] - $fRadius;
 930                         $aPointPolygon['maxlon'] = $aResult['lon'] + $fRadius;
 931
 932                         // Output data suitable for display (points and a bounding box)
 933                         if ($bShowPolygons)
 934                         {
 935                                 $aResult['aPolyPoints'] = array();
 936                                 foreach($aPolyPoints as $aPoint)
 937                                 {
 938                                         $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
 939                                 }
 940                         }
 941                         $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
 942                 }
 943
 944                 // Is there an icon set for this type of result?
 945                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
 946                         && $aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
 947                 {
 948                         $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
 949                 }
 950
 951                 if ($bShowAddressDetails)
 952                 {
 953                         $aResult['address'] = getAddressDetails($oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code']);
 954                 }
 955
 956                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
 957                         && $aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
 958                 {
 959                         $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
 960                 }
 961                 else
 962                 {
 963                         $aResult['importance'] = 1000000000000000;
 964                 }
 965
 966                 $aResult['name'] = $aResult['langaddress'];
 967                 $aResult['foundorder'] = $iResNum;
 968                 $aSearchResults[$iResNum] = $aResult;
 969         }
 970
 971         uasort($aSearchResults, 'byImportance');
 972
 973         $aOSMIDDone = array();
 974         $aClassTypeNameDone = array();
 975         $aToFilter = $aSearchResults;
 976         $aSearchResults = array();
 977
 978         $bFirst = true;
 979         foreach($aToFilter as $iResNum => $aResult)
 980         {
 981                 if ($aResult['type'] == 'adminitrative') $aResult['type'] = 'administrative';
 982                 $aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
 983                 if ($bFirst)
 984                 {
 985                         $fLat = $aResult['lat'];
 986                         $fLon = $aResult['lon'];
 987                         if (isset($aResult['zoom'])) $iZoom = $aResult['zoom'];
 988                         $bFirst = false;
 989                 }
 990                 if (!$bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
 991                         && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['osm_class'].$aResult['name']])))
 992                 {
 993                         $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
 994                         $aClassTypeNameDone[$aResult['osm_type'].$aResult['osm_class'].$aResult['name']] = true;
 995                         $aSearchResults[] = $aResult;
 996                 }
 997         }
 998
 999         $sDataDate = $oDB->getOne("select TO_CHAR(lastimportdate - '1 day'::interval,'YYYY/MM/DD') from import_status limit 1");
1000
1001         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
1002         {
1003                 $sQuery .= ' ['.$_GET['nearlat'].','.$_GET['nearlon'].']';
1004         }
1005
1006         if ($sQuery)
1007         {
1008                 logEnd($oDB, $hLog, sizeof($aToFilter));
1009         }
1010         $sMoreURL = CONST_Website_BaseURL.'search?format='.urlencode($sOutputFormat).'&exclude_place_ids='.join(',',$aExcludePlaceIDs);
1011         $sMoreURL .= '&accept-language='.$_SERVER["HTTP_ACCEPT_LANGUAGE"];
1012         if ($bShowPolygons) $sMoreURL .= '&polygon=1';
1013         if ($bShowAddressDetails) $sMoreURL .= '&addressdetails=1';
1014         if (isset($_GET['viewbox']) && $_GET['viewbox']) $sMoreURL .= '&viewbox='.urlencode($_GET['viewbox']);
1015         if (isset($_GET['nearlat']) && isset($_GET['nearlon'])) $sMoreURL .= '&nearlat='.(float)$_GET['nearlat'].'&nearlon='.(float)$_GET['nearlon'];
1016         if ($sSuggestion)
1017         {
1018                 $sSuggestionURL = $sMoreURL.'&q='.urlencode($sSuggestion);
1019         }
1020         $sMoreURL .= '&q='.urlencode($sQuery);
1021
1022         if (CONST_Debug) exit;
1023
1024         include('.htlib/output/search-'.$sOutputFormat.'.php');