website/search.php

   1 <?php
   2         @define('CONST_ConnectionBucket_PageType', 'Search');
   3
   4         require_once(dirname(dirname(__FILE__)).'/lib/init-website.php');
   5         require_once(CONST_BasePath.'/lib/log.php');
   6
   7         ini_set('memory_limit', '200M');
   8
   9         $oDB =& getDB();
  10
  11         // Display defaults
  12         $fLat = CONST_Default_Lat;
  13         $fLon = CONST_Default_Lon;
  14         $iZoom = CONST_Default_Zoom;
  15         $bBoundingBoxSearch = isset($_GET['bounded'])?(bool)$_GET['bounded']:false;
  16         $sOutputFormat = 'html';
  17         $aSearchResults = array();
  18         $aExcludePlaceIDs = array();
  19         $sCountryCodesSQL = false;
  20         $sSuggestion = $sSuggestionURL = false;
  21         $bDeDupe = isset($_GET['dedupe'])?(bool)$_GET['dedupe']:true;
  22         $bReverseInPlan = false;
  23         $iFinalLimit = isset($_GET['limit'])?(int)$_GET['limit']:10;
  24         $iOffset = isset($_GET['offset'])?(int)$_GET['offset']:0;
  25         $iMaxRank = 20;
  26         if ($iFinalLimit > 50) $iFinalLimit = 50;
  27         $iLimit = $iFinalLimit + min($iFinalLimit, 10);
  28         $iMinAddressRank = 0;
  29         $iMaxAddressRank = 30;
  30         $sAllowedTypesSQLList = false;
  31
  32         // Format for output
  33         if (isset($_GET['format']) && ($_GET['format'] == 'html' || $_GET['format'] == 'xml' || $_GET['format'] == 'json' ||  $_GET['format'] == 'jsonv2'))
  34         {
  35                 $sOutputFormat = $_GET['format'];
  36         }
  37
  38         // Show / use polygons
  39         $bShowPolygons = (boolean)isset($_GET['polygon']) && $_GET['polygon'];
  40     if ($sOutputFormat == 'html') {
  41                 $bAsText = $bShowPolygons;
  42                 $bShowPolygons = false;
  43                 $bAsGeoJSON = false;
  44                 $bAsKML = false;
  45                 $bAsSVG = false;
  46         } else {
  47                 $bAsGeoJSON = (boolean)isset($_GET['polygon_geojson']) && $_GET['polygon_geojson'];
  48                 $bAsKML = (boolean)isset($_GET['polygon_kml']) && $_GET['polygon_kml'];
  49                 $bAsSVG = (boolean)isset($_GET['polygon_svg']) && $_GET['polygon_svg'];
  50                 $bAsText = (boolean)isset($_GET['polygon_text']) && $_GET['polygon_text'];
  51                 if ((($bShowPolygons?1:0)
  52                    + ($bAsGeoJSON?1:0)
  53                    + ($bAsKML?1:0)
  54                    + ($bAsSVG?1:0)
  55                    + ($bAsText?1:0)
  56                         ) > CONST_PolygonOutput_MaximumTypes) {
  57                         if (CONST_PolygonOutput_MaximumTypes) {
  58                                 userError("Select only ".CONST_PolygonOutput_MaximumTypes." polgyon output option");
  59                         } else {
  60                                 userError("Polygon output is disabled");
  61                         }
  62                         exit;
  63                 }
  64         }
  65
  66         // Show address breakdown
  67         $bShowAddressDetails = isset($_GET['addressdetails']) && $_GET['addressdetails'];
  68
  69         // Preferred language
  70         $aLangPrefOrder = getPreferredLanguages();
  71         if (isset($aLangPrefOrder['name:de'])) $bReverseInPlan = true;
  72         if (isset($aLangPrefOrder['name:ru'])) $bReverseInPlan = true;
  73         if (isset($aLangPrefOrder['name:ja'])) $bReverseInPlan = true;
  74
  75         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$aLangPrefOrder))."]";
  76
  77         if (isset($_GET['exclude_place_ids']) && $_GET['exclude_place_ids'])
  78         {
  79                 foreach(explode(',',$_GET['exclude_place_ids']) as $iExcludedPlaceID)
  80                 {
  81                         $iExcludedPlaceID = (int)$iExcludedPlaceID;
  82                         if ($iExcludedPlaceID) $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
  83                 }
  84         }
  85
  86         // Only certain ranks of feature
  87         if (isset($_GET['featureType']) && !isset($_GET['featuretype'])) $_GET['featuretype'] = $_GET['featureType'];
  88
  89         if (isset($_GET['featuretype']))
  90         {
  91                 switch($_GET['featuretype'])
  92                 {
  93                 case 'country':
  94                         $iMinAddressRank = $iMaxAddressRank = 4;
  95                         break;
  96                 case 'state':
  97                         $iMinAddressRank = $iMaxAddressRank = 8;
  98                         break;
  99                 case 'city':
 100                         $iMinAddressRank = 14;
 101                         $iMaxAddressRank = 16;
 102                         break;
 103                 case 'settlement':
 104                         $iMinAddressRank = 8;
 105                         $iMaxAddressRank = 20;
 106                         break;
 107                 }
 108         }
 109
 110         if (isset($_GET['countrycodes']))
 111         {
 112                 $aCountryCodes = array();
 113                 foreach(explode(',',$_GET['countrycodes']) as $sCountryCode)
 114                 {
 115                         if (preg_match('/^[a-zA-Z][a-zA-Z]$/', $sCountryCode))
 116                         {
 117                                 $aCountryCodes[] = "'".strtolower($sCountryCode)."'";
 118                         }
 119                 }
 120                 $sCountryCodesSQL = join(',', $aCountryCodes);
 121         }
 122
 123         // Search query
 124         $sQuery = (isset($_GET['q'])?trim($_GET['q']):'');
 125         if (!$sQuery && isset($_SERVER['PATH_INFO']) && $_SERVER['PATH_INFO'][0] == '/')
 126         {
 127                 $sQuery = substr($_SERVER['PATH_INFO'], 1);
 128
 129                 // reverse order of '/' separated string
 130                 $aPhrases = explode('/', $sQuery);
 131                 $aPhrases = array_reverse($aPhrases);
 132                 $sQuery = join(', ',$aPhrases);
 133         }
 134
 135         function structuredAddressElement(&$aStructuredQuery, &$iMinAddressRank, &$iMaxAddressRank, $aParams, $sKey, $iNewMinAddressRank, $iNewMaxAddressRank)
 136         {
 137                 if (!isset($_GET[$sKey])) return false;
 138                 $sValue = trim($_GET[$sKey]);
 139                 if (!$sValue) return false;
 140                 $aStructuredQuery[$sKey] = $sValue;
 141                 if ($iMinAddressRank == 0 && $iMaxAddressRank == 30) {
 142                         $iMinAddressRank = $iNewMinAddressRank;
 143                         $iMaxAddressRank = $iNewMaxAddressRank;
 144                 }
 145                 return true;
 146         }
 147
 148         // Structured query?
 149         $aStructuredOptions = array(
 150                                 array('amenity', 26, 30),
 151                                 array('street', 26, 30),
 152                                 array('city', 14, 24),
 153                                 array('county', 9, 13),
 154                                 array('state', 8, 8),
 155                                 array('country', 4, 4),
 156                                 array('postalcode', 16, 25),
 157                                 );
 158         $aStructuredQuery = array();
 159         $sAllowedTypesSQLList = '';
 160         foreach($aStructuredOptions as $aStructuredOption)
 161         {
 162                 loadStructuredAddressElement($aStructuredQuery, $iMinAddressRank, $iMaxAddressRank, $_GET, $aStructuredOption[0], $aStructuredOption[1], $aStructuredOption[2]);
 163         }
 164         if (sizeof($aStructuredQuery) > 0) {
 165                 $sQuery = join(', ', $aStructuredQuery);
 166                 $sAllowedTypesSQLList = '(\'place\',\'boundary\')';
 167         }
 168
 169         if ($sQuery)
 170         {
 171                 $hLog = logStart($oDB, 'search', $sQuery, $aLangPrefOrder);
 172
 173                 // Hack to make it handle "new york, ny" (and variants) correctly
 174                 $sQuery = str_ireplace(array('New York, ny','new york, new york', 'New York ny','new york new york'), 'new york city, ny', $sQuery);
 175                 if (isset($aLangPrefOrder['name:en']))
 176                 {
 177                         $sQuery = preg_replace('/,\s*il\s*(,|$)/',', illinois\1', $sQuery);
 178                         $sQuery = preg_replace('/,\s*al\s*(,|$)/',', alabama\1', $sQuery);
 179                         $sQuery = preg_replace('/,\s*la\s*(,|$)/',', louisiana\1', $sQuery);
 180                 }
 181
 182                 // If we have a view box create the SQL
 183                 // Small is the actual view box, Large is double (on each axis) that
 184                 $sViewboxCentreSQL = $sViewboxSmallSQL = $sViewboxLargeSQL = false;
 185                 if (isset($_GET['viewboxlbrt']) && $_GET['viewboxlbrt'])
 186                 {
 187                         $aCoOrdinatesLBRT = explode(',',$_GET['viewboxlbrt']);
 188                         $_GET['viewbox'] = $aCoOrdinatesLBRT[0].','.$aCoOrdinatesLBRT[3].','.$aCoOrdinatesLBRT[2].','.$aCoOrdinatesLBRT[1];
 189                 }
 190                 if (isset($_GET['viewbox']) && $_GET['viewbox'])
 191                 {
 192                         $aCoOrdinates = explode(',',$_GET['viewbox']);
 193                         $sViewboxSmallSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
 194                         $fHeight = $aCoOrdinates[0]-$aCoOrdinates[2];
 195                         $fWidth = $aCoOrdinates[1]-$aCoOrdinates[3];
 196                         $aCoOrdinates[0] += $fHeight;
 197                         $aCoOrdinates[2] -= $fHeight;
 198                         $aCoOrdinates[1] += $fWidth;
 199                         $aCoOrdinates[3] -= $fWidth;
 200                         $sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
 201                 } else {
 202                         $bBoundingBoxSearch = false;
 203                 }
 204                 if (isset($_GET['route']) && $_GET['route'] && isset($_GET['routewidth']) && $_GET['routewidth'])
 205                 {
 206                         $aPoints = explode(',',$_GET['route']);
 207                         if (sizeof($aPoints) % 2 != 0)
 208                         {
 209                                 userError("Uneven number of points");
 210                                 exit;
 211                         }
 212                         $sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
 213                         $fPrevCoord = false;
 214                         foreach($aPoints as $i => $fPoint)
 215                         {
 216                                 if ($i%2)
 217                                 {
 218                                         if ($i != 1) $sViewboxCentreSQL .= ",";
 219                                         $sViewboxCentreSQL .= ((float)$fPoint).' '.$fPrevCoord;
 220                                 }
 221                                 else
 222                                 {
 223                                         $fPrevCoord = (float)$fPoint;
 224                                 }
 225                         }
 226                         $sViewboxCentreSQL .= ")'::geometry,4326)";
 227
 228                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/69).")";
 229                         $sViewboxSmallSQL = $oDB->getOne($sSQL);
 230                         if (PEAR::isError($sViewboxSmallSQL))
 231                         {
 232                                 failInternalError("Could not get small viewbox.", $sSQL, $sViewboxSmallSQL);
 233                         }
 234                         $sViewboxSmallSQL = "'".$sViewboxSmallSQL."'::geometry";
 235
 236                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/30).")";
 237                         $sViewboxLargeSQL = $oDB->getOne($sSQL);
 238                         if (PEAR::isError($sViewboxLargeSQL))
 239                         {
 240                                 failInternalError("Could not get large viewbox.", $sSQL, $sViewboxLargeSQL);
 241                         }
 242                         $sViewboxLargeSQL = "'".$sViewboxLargeSQL."'::geometry";
 243                         $bBoundingBoxSearch = true;
 244                 }
 245
 246                 // Do we have anything that looks like a lat/lon pair?
 247                 if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[ ]+([0-9.]+)?[, ]+([EW])[ ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?\\b/', $sQuery, $aData))
 248                 {
 249                         $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
 250                         $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
 251                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 252                         {
 253                                 $_GET['nearlat'] = $fQueryLat;
 254                                 $_GET['nearlon'] = $fQueryLon;
 255                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 256                         }
 257                 }
 258                 elseif (preg_match('/\\b([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([NS])[, ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([EW])\\b/', $sQuery, $aData))
 259                 {
 260                         $fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
 261                         $fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
 262                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 263                         {
 264                                 $_GET['nearlat'] = $fQueryLat;
 265                                 $_GET['nearlon'] = $fQueryLon;
 266                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 267                         }
 268                 }
 269                 elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9.]*)[, ]+(-?[0-9]+[0-9.]*)(\\]|$|\\b)/', $sQuery, $aData))
 270                 {
 271                         $fQueryLat = $aData[2];
 272                         $fQueryLon = $aData[3];
 273                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 274                         {
 275                                 $_GET['nearlat'] = $fQueryLat;
 276                                 $_GET['nearlon'] = $fQueryLon;
 277                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 278                         }
 279                 }
 280
 281                 if ($sQuery || $aStructuredQuery)
 282                 {
 283                         // Start with a blank search
 284                         $aSearches = array(
 285                                 array('iSearchRank' => 0, 'iNamePhrase' => -1, 'sCountryCode' => false, 'aName'=>array(), 'aAddress'=>array(),
 286                                         'sOperator'=>'', 'aFeatureName' => array(), 'sClass'=>'', 'sType'=>'', 'sHouseNumber'=>'', 'fLat'=>'', 'fLon'=>'', 'fRadius'=>'')
 287                         );
 288
 289                         $sNearPointSQL = false;
 290                         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
 291                         {
 292                                 $sNearPointSQL = "ST_SetSRID(ST_Point(".(float)$_GET['nearlon'].",".$_GET['nearlat']."),4326)";
 293                                 $aSearches[0]['fLat'] = (float)$_GET['nearlat'];
 294                                 $aSearches[0]['fLon'] = (float)$_GET['nearlon'];
 295                                 $aSearches[0]['fRadius'] = 0.1;
 296                         }
 297
 298                         $bSpecialTerms = false;
 299                         preg_match_all('/\\[(.*)=(.*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 300                         $aSpecialTerms = array();
 301                         foreach($aSpecialTermsRaw as $aSpecialTerm)
 302                         {
 303                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 304                                 $aSpecialTerms[strtolower($aSpecialTerm[1])] = $aSpecialTerm[2];
 305                         }
 306
 307                         preg_match_all('/\\[([a-zA-Z]*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 308                         $aSpecialTerms = array();
 309                         if (isset($aStructuredQuery['amenity']) && $aStructuredQuery['amenity'])
 310                         {
 311                                 $aSpecialTermsRaw[] = array('['.$aStructuredQuery['amenity'].']', $aStructuredQuery['amenity']);
 312                                 unset($aStructuredQuery['amenity']);
 313                         }
 314                         foreach($aSpecialTermsRaw as $aSpecialTerm)
 315                         {
 316                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 317                                 $sToken = $oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
 318                                 $sSQL = 'select * from (select word_id,word_token, word, class, type, location, country_code, operator';
 319                                 $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\')) or country_code is not null';
 320                                 if (CONST_Debug) var_Dump($sSQL);
 321                                 $aSearchWords = $oDB->getAll($sSQL);
 322                                 $aNewSearches = array();
 323                                 foreach($aSearches as $aSearch)
 324                                 {
 325                                         foreach($aSearchWords as $aSearchTerm)
 326                                         {
 327                                                 $aNewSearch = $aSearch;
 328                                                 if ($aSearchTerm['country_code'])
 329                                                 {
 330                                                         $aNewSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 331                                                         $aNewSearches[] = $aNewSearch;
 332                                                         $bSpecialTerms = true;
 333                                                 }
 334                                                 if ($aSearchTerm['class'])
 335                                                 {
 336                                                         $aNewSearch['sClass'] = $aSearchTerm['class'];
 337                                                         $aNewSearch['sType'] = $aSearchTerm['type'];
 338                                                         $aNewSearches[] = $aNewSearch;
 339                                                         $bSpecialTerms = true;
 340                                                 }
 341                                         }
 342                                 }
 343                                 $aSearches = $aNewSearches;
 344                         }
 345
 346                         // Split query into phrases
 347                         // Commas are used to reduce the search space by indicating where phrases split
 348                         if (sizeof($aStructuredQuery) > 0)
 349                         {
 350                                 $aPhrases = $aStructuredQuery;
 351                                 $bStructuredPhrases = true;
 352                         }
 353                         else
 354                         {
 355                                 $aPhrases = explode(',',$sQuery);
 356                                 $bStructuredPhrases = false;
 357                         }
 358
 359
 360                         // Convert each phrase to standard form
 361                         // Create a list of standard words
 362                         // Get all 'sets' of words
 363                         // Generate a complete list of all
 364                         $aTokens = array();
 365                         foreach($aPhrases as $iPhrase => $sPhrase)
 366                         {
 367                                 $aPhrase = $oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
 368                                 if (PEAR::isError($aPhrase))
 369                                 {
 370                                         userError("Illegal query string (not an UTF-8 string): ".$sPhrase);
 371                                         if (CONST_Debug) var_dump($aPhrase);
 372                                         exit;
 373                                 }
 374                                 if (trim($aPhrase['string']))
 375                                 {
 376                                         $aPhrases[$iPhrase] = $aPhrase;
 377                                         $aPhrases[$iPhrase]['words'] = explode(' ',$aPhrases[$iPhrase]['string']);
 378                                         $aPhrases[$iPhrase]['wordsets'] = getWordSets($aPhrases[$iPhrase]['words']);
 379                                         $aTokens = array_merge($aTokens, getTokensFromSets($aPhrases[$iPhrase]['wordsets']));
 380                                 }
 381                                 else
 382                                 {
 383                                         unset($aPhrases[$iPhrase]);
 384                                 }
 385                         }
 386
 387                         // reindex phrases - we make assumptions later on
 388                         $aPhraseTypes = array_keys($aPhrases);
 389                         $aPhrases = array_values($aPhrases);
 390
 391                         if (sizeof($aTokens))
 392                         {
 393
 394                         // Check which tokens we have, get the ID numbers
 395                         $sSQL = 'select word_id,word_token, word, class, type, location, country_code, operator';
 396                         $sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
 397                         $sSQL .= ' and search_name_count < '.CONST_Max_Word_Frequency;
 398 //                      $sSQL .= ' group by word_token, word, class, type, location, country_code';
 399
 400                         if (CONST_Debug) var_Dump($sSQL);
 401
 402                         $aValidTokens = array();
 403                         if (sizeof($aTokens))
 404                                 $aDatabaseWords = $oDB->getAll($sSQL);
 405                         else
 406                                 $aDatabaseWords = array();
 407                         if (PEAR::IsError($aDatabaseWords))
 408                         {
 409                                 failInternalError("Could not get word tokens.", $sSQL, $aDatabaseWords);
 410                         }
 411                         $aPossibleMainWordIDs = array();
 412                         foreach($aDatabaseWords as $aToken)
 413                         {
 414                                 if (isset($aValidTokens[$aToken['word_token']]))
 415                                 {
 416                                         $aValidTokens[$aToken['word_token']][] = $aToken;
 417                                 }
 418                                 else
 419                                 {
 420                                         $aValidTokens[$aToken['word_token']] = array($aToken);
 421                                 }
 422                                 if ($aToken['word_token'][0]==' ' && !$aToken['class'] && !$aToken['country_code']) $aPossibleMainWordIDs[$aToken['word_id']] = 1;
 423                         }
 424                         if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
 425
 426                         $aSuggestion = array();
 427                         $bSuggestion = false;
 428                         if (CONST_Suggestions_Enabled)
 429                         {
 430                                 foreach($aPhrases as $iPhrase => $aPhrase)
 431                                 {
 432                                         if (!isset($aValidTokens[' '.$aPhrase['wordsets'][0][0]]))
 433                                         {
 434                                                 $sQuotedPhrase = getDBQuoted(' '.$aPhrase['wordsets'][0][0]);
 435                                                 $aSuggestionWords = getWordSuggestions($oDB, $aPhrase['wordsets'][0][0]);
 436                                                 $aRow = $aSuggestionWords[0];
 437                                                 if ($aRow && $aRow['word'])
 438                                                 {
 439                                                         $aSuggestion[] = $aRow['word'];
 440                                                         $bSuggestion = true;
 441                                                 }
 442                                                 else
 443                                                 {
 444                                                         $aSuggestion[] = $aPhrase['string'];
 445                                                 }
 446                                         }
 447                                         else
 448                                         {
 449                                                 $aSuggestion[] = $aPhrase['string'];
 450                                         }
 451                                 }
 452                         }
 453                         if ($bSuggestion) $sSuggestion = join(', ',$aSuggestion);
 454
 455                         // Try and calculate GB postcodes we might be missing
 456                         foreach($aTokens as $sToken)
 457                         {
 458                                 // Source of gb postcodes is now definitive - always use
 459                                 if (preg_match('/^([A-Z][A-Z]?[0-9][0-9A-Z]? ?[0-9])([A-Z][A-Z])$/', strtoupper(trim($sToken)), $aData))
 460                                 {
 461                                         if (substr($aData[1],-2,1) != ' ')
 462                                         {
 463                                                 $aData[0] = substr($aData[0],0,strlen($aData[1]-1)).' '.substr($aData[0],strlen($aData[1]-1));
 464                                                 $aData[1] = substr($aData[1],0,-1).' '.substr($aData[1],-1,1);
 465                                         }
 466                                         $aGBPostcodeLocation = gbPostcodeCalculate($aData[0], $aData[1], $aData[2], $oDB);
 467                                         if ($aGBPostcodeLocation)
 468                                         {
 469                                                 $aValidTokens[$sToken] = $aGBPostcodeLocation;
 470                                         }
 471                                 }
 472                         }
 473
 474                         foreach($aTokens as $sToken)
 475                         {
 476                                 // Unknown single word token with a number - assume it is a house number
 477                                 if (!isset($aValidTokens[' '.$sToken]) && strpos($sToken,' ') === false && preg_match('/[0-9]/', $sToken))
 478                                 {
 479                                         $aValidTokens[' '.$sToken] = array(array('class'=>'place','type'=>'house'));
 480                                 }
 481                         }
 482
 483                         // Any words that have failed completely?
 484                         // TODO: suggestions
 485
 486                         // Start the search process
 487                         $aResultPlaceIDs = array();
 488
 489                         /*
 490                                 Calculate all searches using aValidTokens i.e.
 491
 492                                 'Wodsworth Road, Sheffield' =>
 493
 494                                 Phrase Wordset
 495                                 0      0       (wodsworth road)
 496                                 0      1       (wodsworth)(road)
 497                                 1      0       (sheffield)
 498
 499                                 Score how good the search is so they can be ordered
 500                         */
 501                                 foreach($aPhrases as $iPhrase => $sPhrase)
 502                                 {
 503                                         $aNewPhraseSearches = array();
 504                                         if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
 505                                         else $sPhraseType = '';
 506
 507                                         foreach($aPhrases[$iPhrase]['wordsets'] as $aWordset)
 508                                         {
 509                                                 $aWordsetSearches = $aSearches;
 510
 511                                                 // Add all words from this wordset
 512                                                 foreach($aWordset as $iToken => $sToken)
 513                                                 {
 514 //echo "<br><b>$sToken</b>";
 515                                                         $aNewWordsetSearches = array();
 516
 517                                                         foreach($aWordsetSearches as $aCurrentSearch)
 518                                                         {
 519 //echo "<i>";
 520 //var_dump($aCurrentSearch);
 521 //echo "</i>";
 522
 523                                                                 // If the token is valid
 524                                                                 if (isset($aValidTokens[' '.$sToken]))
 525                                                                 {
 526                                                                         foreach($aValidTokens[' '.$sToken] as $aSearchTerm)
 527                                                                         {
 528                                                                                 $aSearch = $aCurrentSearch;
 529                                                                                 $aSearch['iSearchRank']++;
 530                                                                                 if (($sPhraseType == '' || $sPhraseType == 'country') && $aSearchTerm['country_code'] !== null && $aSearchTerm['country_code'] != '0')
 531                                                                                 {
 532                                                                                         if ($aSearch['sCountryCode'] === false)
 533                                                                                         {
 534                                                                                                 $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 535                                                                                                 // Country is almost always at the end of the string - increase score for finding it anywhere else (optimisation)
 536                                                                                                 if ($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases)) $aSearch['iSearchRank'] += 5;
 537                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 538                                                                                         }
 539                                                                                 }
 540                                                                                 elseif (isset($aSearchTerm['lat']) && $aSearchTerm['lat'] !== '' && $aSearchTerm['lat'] !== null)
 541                                                                                 {
 542                                                                                         if ($aSearch['fLat'] === '')
 543                                                                                         {
 544                                                                                                 $aSearch['fLat'] = $aSearchTerm['lat'];
 545                                                                                                 $aSearch['fLon'] = $aSearchTerm['lon'];
 546                                                                                                 $aSearch['fRadius'] = $aSearchTerm['radius'];
 547                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 548                                                                                         }
 549                                                                                 }
 550                                                                                 elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
 551                                                                                 {
 552                                                                                         if ($aSearch['sHouseNumber'] === '')
 553                                                                                         {
 554                                                                                                 $aSearch['sHouseNumber'] = $sToken;
 555                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 556 /*
 557                                                                                                 // Fall back to not searching for this item (better than nothing)
 558                                                                                                 $aSearch = $aCurrentSearch;
 559                                                                                                 $aSearch['iSearchRank'] += 1;
 560                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 561 */
 562                                                                                         }
 563                                                                                 }
 564                                                                                 elseif ($sPhraseType == '' && $aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
 565                                                                                 {
 566                                                                                         if ($aSearch['sClass'] === '')
 567                                                                                         {
 568                                                                                                 $aSearch['sOperator'] = $aSearchTerm['operator'];
 569                                                                                                 $aSearch['sClass'] = $aSearchTerm['class'];
 570                                                                                                 $aSearch['sType'] = $aSearchTerm['type'];
 571                                                                                                 if (sizeof($aSearch['aName'])) $aSearch['sOperator'] = 'name';
 572                                                                                                 else $aSearch['sOperator'] = 'near'; // near = in for the moment
 573
 574                                                                                                 // Do we have a shortcut id?
 575                                                                                                 if ($aSearch['sOperator'] == 'name')
 576                                                                                                 {
 577                                                                                                         $sSQL = "select get_tagpair('".$aSearch['sClass']."', '".$aSearch['sType']."')";
 578                                                                                                         if ($iAmenityID = $oDB->getOne($sSQL))
 579                                                                                                         {
 580                                                                                                                 $aValidTokens[$aSearch['sClass'].':'.$aSearch['sType']] = array('word_id' => $iAmenityID);
 581                                                                                                                 $aSearch['aName'][$iAmenityID] = $iAmenityID;
 582                                                                                                                 $aSearch['sClass'] = '';
 583                                                                                                                 $aSearch['sType'] = '';
 584                                                                                                         }
 585                                                                                                 }
 586                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 587                                                                                         }
 588                                                                                 }
 589                                                                                 elseif (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
 590                                                                                 {
 591                                                                                         if (sizeof($aSearch['aName']))
 592                                                                                         {
 593                                                                                                 if (($sPhraseType != 'street' && $sPhraseType != 'country') && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
 594                                                                                                 {
 595                                                                                                         $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 596                                                                                                 }
 597                                                                                                 else
 598                                                                                                 {
 599                                                                                                         $aSearch['iSearchRank'] += 1000; // skip;
 600                                                                                                 }
 601                                                                                         }
 602                                                                                         else
 603                                                                                         {
 604                                                                                                 $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 605 //                                                                                              $aSearch['iNamePhrase'] = $iPhrase;
 606                                                                                         }
 607                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 608                                                                                 }
 609                                                                         }
 610                                                                 }
 611                                                                 if (isset($aValidTokens[$sToken]))
 612                                                                 {
 613                                                                         // Allow searching for a word - but at extra cost
 614                                                                         foreach($aValidTokens[$sToken] as $aSearchTerm)
 615                                                                         {
 616                                                                                 if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
 617                                                                                 {
 618                                                                                         if (($sPhraseType != 'street') && sizeof($aCurrentSearch['aName']) && strlen($sToken) >= 4)
 619                                                                                         {
 620                                                                                                 $aSearch = $aCurrentSearch;
 621                                                                                                 $aSearch['iSearchRank'] += 1;
 622                                                                                                 $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 623                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 624                                                                                         }
 625
 626                                                                                         if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
 627                                                                                         {
 628                                                                                                 $aSearch = $aCurrentSearch;
 629                                                                                                 $aSearch['iSearchRank'] += 2;
 630                                                                                                 if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
 631                                                                                                 $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 632                                                                                                 $aSearch['iNamePhrase'] = $iPhrase;
 633                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 634                                                                                         }
 635                                                                                 }
 636                                                                         }
 637                                                                 }
 638                                                                 else
 639                                                                 {
 640                                                                         // Allow skipping a word - but at EXTREAM cost
 641                                                                         //$aSearch = $aCurrentSearch;
 642                                                                         //$aSearch['iSearchRank']+=100;
 643                                                                         //$aNewWordsetSearches[] = $aSearch;
 644                                                                 }
 645                                                         }
 646                                                         // Sort and cut
 647                                                         usort($aNewWordsetSearches, 'bySearchRank');
 648                                                         $aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
 649                                                 }
 650 //                                              var_Dump('<hr>',sizeof($aWordsetSearches)); exit;
 651
 652                                                 $aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
 653                                                 usort($aNewPhraseSearches, 'bySearchRank');
 654
 655           $aSearchHash = array();
 656           foreach($aNewPhraseSearches as $iSearch => $aSearch)
 657           {
 658             $sHash = serialize($aSearch);
 659             if (isset($aSearchHash[$sHash]))
 660             {
 661               unset($aNewPhraseSearches[$iSearch]);
 662             }
 663             else
 664             {
 665               $aSearchHash[$sHash] = 1;
 666             }
 667           }
 668
 669                                                 $aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
 670                                         }
 671
 672                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
 673                                         $aGroupedSearches = array();
 674                                         foreach($aNewPhraseSearches as $aSearch)
 675                                         {
 676                                                 if ($aSearch['iSearchRank'] < $iMaxRank)
 677                                                 {
 678                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 679                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 680                                                 }
 681                                         }
 682                                         ksort($aGroupedSearches);
 683
 684                                         $iSearchCount = 0;
 685                                         $aSearches = array();
 686                                         foreach($aGroupedSearches as $iScore => $aNewSearches)
 687                                         {
 688                                                 $iSearchCount += sizeof($aNewSearches);
 689                                                 $aSearches = array_merge($aSearches, $aNewSearches);
 690                                                 if ($iSearchCount > 50) break;
 691                                         }
 692
 693 //                                      if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 694
 695                                 }
 696                         }
 697                         else
 698                         {
 699                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
 700                                         $aGroupedSearches = array();
 701                                         foreach($aSearches as $aSearch)
 702                                         {
 703                                                 if ($aSearch['iSearchRank'] < $iMaxRank)
 704                                                 {
 705                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 706                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 707                                                 }
 708                                         }
 709                                         ksort($aGroupedSearches);
 710                         }
 711
 712                                 if (CONST_Debug) var_Dump($aGroupedSearches);
 713
 714                                 if ($bReverseInPlan)
 715                                 {
 716                                         $aCopyGroupedSearches = $aGroupedSearches;
 717                                         foreach($aCopyGroupedSearches as $iGroup => $aSearches)
 718                                         {
 719                                                 foreach($aSearches as $iSearch => $aSearch)
 720                                                 {
 721                                                         if (sizeof($aSearch['aAddress']))
 722                                                         {
 723                                                                 $iReverseItem = array_pop($aSearch['aAddress']);
 724                                                                 if (isset($aPossibleMainWordIDs[$iReverseItem]))
 725                                                                 {
 726                                                                         $aSearch['aAddress'] = array_merge($aSearch['aAddress'], $aSearch['aName']);
 727                                                                         $aSearch['aName'] = array($iReverseItem);
 728                                                                         $aGroupedSearches[$iGroup][] = $aSearch;
 729                                                                 }
 730 //                                                              $aReverseSearch['aName'][$iReverseItem] = $iReverseItem;
 731         //                                                      $aGroupedSearches[$iGroup][] = $aReverseSearch;
 732                                                         }
 733                                                 }
 734                                         }
 735                                 }
 736
 737                                 if (CONST_Search_TryDroppedAddressTerms && sizeof($aStructuredQuery) > 0)
 738                                 {
 739                                         $aCopyGroupedSearches = $aGroupedSearches;
 740                                         foreach($aCopyGroupedSearches as $iGroup => $aSearches)
 741                                         {
 742                                                 foreach($aSearches as $iSearch => $aSearch)
 743                                                 {
 744                                                         $aReductionsList = array($aSearch['aAddress']);
 745                                                         $iSearchRank = $aSearch['iSearchRank'];
 746                                                         while(sizeof($aReductionsList) > 0)
 747                                                         {
 748                                                                 $iSearchRank += 5;
 749                                                                 if ($iSearchRank > iMaxRank) break 3;
 750                                                                 $aNewReductionsList = array();
 751                                                                 foreach($aReductionsList as $aReductionsWordList)
 752                                                                 {
 753                                                                         for ($iReductionWord = 0; $iReductionWord < sizeof($aReductionsWordList); $iReductionWord++)
 754                                                                         {
 755                                                                                 $aReductionsWordListResult = array_merge(array_slice($aReductionsWordList, 0, $iReductionWord), array_slice($aReductionsWordList, $iReductionWord+1));
 756                                                                                 $aReverseSearch = $aSearch;
 757                                                                                 $aSearch['aAddress'] = $aReductionsWordListResult;
 758                                                                                 $aSearch['iSearchRank'] = $iSearchRank;
 759                                                                                 $aGroupedSearches[$iSearchRank][] = $aReverseSearch;
 760                                                                                 if (sizeof($aReductionsWordListResult) > 0)
 761                                                                                 {
 762                                                                                         $aNewReductionsList[] = $aReductionsWordListResult;
 763                                                                                 }
 764                                                                         }
 765                                                                 }
 766                                                                 $aReductionsList = $aNewReductionsList;
 767                                                         }
 768                                                 }
 769                                         }
 770                                         ksort($aGroupedSearches);
 771                                 }
 772
 773                                 // Filter out duplicate searches
 774                                 $aSearchHash = array();
 775                                 foreach($aGroupedSearches as $iGroup => $aSearches)
 776                                 {
 777                                         foreach($aSearches as $iSearch => $aSearch)
 778                                         {
 779                                                 $sHash = serialize($aSearch);
 780                                                 if (isset($aSearchHash[$sHash]))
 781                                                 {
 782                                                         unset($aGroupedSearches[$iGroup][$iSearch]);
 783                                                         if (sizeof($aGroupedSearches[$iGroup]) == 0) unset($aGroupedSearches[$iGroup]);
 784                                                 }
 785                                                 else
 786                                                 {
 787                                                         $aSearchHash[$sHash] = 1;
 788                                                 }
 789                                         }
 790                                 }
 791
 792                                 if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 793
 794                                 $iGroupLoop = 0;
 795                                 $iQueryLoop = 0;
 796                                 foreach($aGroupedSearches as $iGroupedRank => $aSearches)
 797                                 {
 798                                         $iGroupLoop++;
 799                                         foreach($aSearches as $aSearch)
 800                                         {
 801                                                 $iQueryLoop++;
 802
 803                                                 // Must have a location term
 804                                                 if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['fLon'])
 805                                                 {
 806                                                         if ($aSearch['sCountryCode'] && !$aSearch['sClass'] && !$aSearch['sHouseNumber'])
 807                                                         {
 808                                                                 if (4 >= $iMinAddressRank && 4 <= $iMaxAddressRank)
 809                                                                 {
 810                                                                         $sSQL = "select place_id from placex where country_code='".$aSearch['sCountryCode']."' and rank_search = 4";
 811                                                                         if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 812                                                                         $sSQL .= " order by st_area(geometry) desc limit 1";
 813                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 814                                                                 }
 815                                                         }
 816                                                         else
 817                                                         {
 818                                                                 if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
 819                                                                 if (!$aSearch['sClass']) continue;
 820                                                                 if (CONST_Debug) var_dump('<hr>',$aSearch);
 821                                                                 if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
 822                                                                 $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
 823                                                                 if ($oDB->getOne($sSQL))
 824                                                                 {
 825                                                                 $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
 826                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
 827                                                                 $sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid)";
 828                                                                 if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 829                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
 830                                                                 $sSQL .= " limit $iLimit";
 831                                                                 if (CONST_Debug) var_dump($sSQL);
 832                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 833
 834                                                                 if (!sizeof($aPlaceIDs))
 835                                                                 {
 836                                                                         $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
 837                                                                         if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
 838                                                                         $sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid)";
 839                                                                         if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 840                                                                         if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
 841                                                                         $sSQL .= " limit $iLimit";
 842                                                                         if (CONST_Debug) var_dump($sSQL);
 843                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 844                                                                 }
 845                                                         }
 846                                                         else
 847                                                         {
 848                                                                 $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
 849                                                                 $sSQL .= " and st_contains($sViewboxSmallSQL, geometry) and linked_place_id is null";
 850                                                                 if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 851                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
 852                                                                 $sSQL .= " limit $iLimit";
 853                                                                 if (CONST_Debug) var_dump($sSQL);
 854                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 855                                                         }
 856                                                         }
 857                                                 }
 858                                                 else
 859                                                 {
 860                                                         if (CONST_Debug) var_dump('<hr>',$aSearch);
 861                                                         if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
 862                                                         $aPlaceIDs = array();
 863
 864                                                         // First we need a position, either aName or fLat or both
 865                                                         $aTerms = array();
 866                                                         $aOrder = array();
 867
 868                                                         // TODO: filter out the pointless search terms (2 letter name tokens and less)
 869                                                         // they might be right - but they are just too darned expensive to run
 870                                                         if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";
 871                                                         if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress']) $aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'],",")."]";
 872                                                         if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
 873                                                         if ($aSearch['sHouseNumber']) $aTerms[] = "address_rank in (26,27)";
 874                                                         if ($aSearch['fLon'] && $aSearch['fLat'])
 875                                                         {
 876                                                                 $aTerms[] = "ST_DWithin(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326), ".$aSearch['fRadius'].")";
 877                                                                 $aOrder[] = "ST_Distance(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326)) ASC";
 878                                                         }
 879                                                         if (sizeof($aExcludePlaceIDs))
 880                                                         {
 881                                                                 $aTerms[] = "place_id not in (".join(',',$aExcludePlaceIDs).")";
 882                                                         }
 883                                                         if ($sCountryCodesSQL)
 884                                                         {
 885                                                                 $aTerms[] = "country_code in ($sCountryCodesSQL)";
 886                                                         }
 887
 888                                                         if ($bBoundingBoxSearch) $aTerms[] = "centroid && $sViewboxSmallSQL";
 889                                                         if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc";
 890
 891                                                         $sImportanceSQL = 'case when importance = 0 OR importance IS NULL then 0.75-(search_rank::float/40) else importance end';
 892
 893                                                         if ($sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END";
 894                                                         if ($sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END";
 895                                                         $aOrder[] = "$sImportanceSQL DESC";
 896
 897                                                         if (sizeof($aTerms))
 898                                                         {
 899                                                                 $sSQL = "select place_id";
 900                                                                 $sSQL .= " from search_name";
 901                                                                 $sSQL .= " where ".join(' and ',$aTerms);
 902                                                                 $sSQL .= " order by ".join(', ',$aOrder);
 903                                                                 if ($aSearch['sHouseNumber'] || $aSearch['sClass'])
 904                                                                         $sSQL .= " limit 50";
 905                                                                 elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
 906                                                                         $sSQL .= " limit 1";
 907                                                                 else
 908                                                                         $sSQL .= " limit ".$iLimit;
 909
 910                                                                 if (CONST_Debug) { var_dump($sSQL); }
 911                                                                 $aViewBoxPlaceIDs = $oDB->getAll($sSQL);
 912                                                                 if (PEAR::IsError($aViewBoxPlaceIDs))
 913                                                                 {
 914                                                                         failInternalError("Could not get places for search terms.", $sSQL, $aViewBoxPlaceIDs);
 915                                                                 }
 916 //var_dump($aViewBoxPlaceIDs);
 917                                                                 // Did we have an viewbox matches?
 918                                                                 $aPlaceIDs = array();
 919                                                                 $bViewBoxMatch = false;
 920                                                                 foreach($aViewBoxPlaceIDs as $aViewBoxRow)
 921                                                                 {
 922 //                                                                      if ($bViewBoxMatch == 1 && $aViewBoxRow['in_small'] == 'f') break;
 923 //                                                                      if ($bViewBoxMatch == 2 && $aViewBoxRow['in_large'] == 'f') break;
 924 //                                                                      if ($aViewBoxRow['in_small'] == 't') $bViewBoxMatch = 1;
 925 //                                                                      else if ($aViewBoxRow['in_large'] == 't') $bViewBoxMatch = 2;
 926                                                                         $aPlaceIDs[] = $aViewBoxRow['place_id'];
 927                                                                 }
 928                                                         }
 929 //var_Dump($aPlaceIDs);
 930 //exit;
 931
 932                                                         if ($aSearch['sHouseNumber'] && sizeof($aPlaceIDs))
 933                                                         {
 934                                                                 $aRoadPlaceIDs = $aPlaceIDs;
 935                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
 936
 937                                                                 // Now they are indexed look for a house attached to a street we found
 938                                                                 $sHouseNumberRegex = '\\\\m'.str_replace(' ','[-,/ ]',$aSearch['sHouseNumber']).'\\\\M';
 939                                                                 $sSQL = "select place_id from placex where parent_place_id in (".$sPlaceIDs.") and housenumber ~* E'".$sHouseNumberRegex."'";
 940                                                                 if (sizeof($aExcludePlaceIDs))
 941                                                                 {
 942                                                                         $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 943                                                                 }
 944                                                                 $sSQL .= " limit $iLimit";
 945                                                                 if (CONST_Debug) var_dump($sSQL);
 946                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 947
 948                                                                 // If not try the aux fallback table
 949                                                                 if (!sizeof($aPlaceIDs))
 950                                                                 {
 951                                                                         $sSQL = "select place_id from location_property_aux where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
 952                                                                         if (sizeof($aExcludePlaceIDs))
 953                                                                         {
 954                                                                                 $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 955                                                                         }
 956 //                                                                      $sSQL .= " limit $iLimit";
 957                                                                         if (CONST_Debug) var_dump($sSQL);
 958                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 959                                                                 }
 960
 961                                                                 if (!sizeof($aPlaceIDs))
 962                                                                 {
 963                                                                         $sSQL = "select place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
 964                                                                         if (sizeof($aExcludePlaceIDs))
 965                                                                         {
 966                                                                                 $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 967                                                                         }
 968 //                                                                      $sSQL .= " limit $iLimit";
 969                                                                         if (CONST_Debug) var_dump($sSQL);
 970                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 971                                                                 }
 972
 973                                                                 // Fallback to the road
 974                                                                 if (!sizeof($aPlaceIDs) && preg_match('/[0-9]+/', $aSearch['sHouseNumber']))
 975                                                                 {
 976                                                                         $aPlaceIDs = $aRoadPlaceIDs;
 977                                                                 }
 978
 979                                                         }
 980
 981                                                         if ($aSearch['sClass'] && sizeof($aPlaceIDs))
 982                                                         {
 983                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
 984
 985                                                                 $aClassPlaceIDs = array();
 986
 987                                                                 if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
 988                                                                 {
 989                                                                         // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
 990                                                                         $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
 991                                                                         $sSQL .= " and linked_place_id is null";
 992                                                                         if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 993                                                                         $sSQL .= " order by rank_search asc limit $iLimit";
 994                                                                         if (CONST_Debug) var_dump($sSQL);
 995                                                                         $aClassPlaceIDs = $oDB->getCol($sSQL);
 996                                                                 }
 997
 998                                                                 if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
 999                                                                 {
1000                                                                         $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
1001                                                                         $bCacheTable = $oDB->getOne($sSQL);
1002
1003                                                                         $sSQL = "select min(rank_search) from placex where place_id in ($sPlaceIDs)";
1004
1005                                                                         if (CONST_Debug) var_dump($sSQL);
1006                                                                         $iMaxRank = ((int)$oDB->getOne($sSQL));
1007
1008                                                                         // For state / country level searches the normal radius search doesn't work very well
1009                                                                         $sPlaceGeom = false;
1010                                                                         if ($iMaxRank < 9 && $bCacheTable)
1011                                                                         {
1012                                                                                 // Try and get a polygon to search in instead
1013                                                                                 $sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
1014                                                                                 if (CONST_Debug) var_dump($sSQL);
1015                                                                                 $sPlaceGeom = $oDB->getOne($sSQL);
1016                                                                         }
1017
1018                                                                         if ($sPlaceGeom)
1019                                                                         {
1020                                                                                 $sPlaceIDs = false;
1021                                                                         }
1022                                                                         else
1023                                                                         {
1024                                                                                 $iMaxRank += 5;
1025                                                                                 $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
1026                                                                                 if (CONST_Debug) var_dump($sSQL);
1027                                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
1028                                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
1029                                                                         }
1030
1031                                                                         if ($sPlaceIDs || $sPlaceGeom)
1032                                                                         {
1033
1034                                                                         $fRange = 0.01;
1035                                                                         if ($bCacheTable)
1036                                                                         {
1037                                                                                 // More efficient - can make the range bigger
1038                                                                                 $fRange = 0.05;
1039
1040                                                                                 $sOrderBySQL = '';
1041                                                                                 if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.centroid)";
1042                                                                                 else if ($sPlaceIDs) $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
1043                                                                                 else if ($sPlaceGeom) $sOrderBysSQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
1044
1045                                                                                 $sSQL = "select distinct l.place_id".($sOrderBySQL?','.$sOrderBySQL:'')." from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";
1046                                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";
1047                                                                                 if ($sPlaceIDs)
1048                                                                                 {
1049                                                                                         $sSQL .= ",placex as f where ";
1050                                                                                         $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, st_centroid(f.geometry), $fRange) ";
1051                                                                                 }
1052                                                                                 if ($sPlaceGeom)
1053                                                                                 {
1054                                                                                         $sSQL .= " where ";
1055                                                                                         $sSQL .= "ST_Contains('".$sPlaceGeom."', l.centroid) ";
1056                                                                                 }
1057                                                                                 if (sizeof($aExcludePlaceIDs))
1058                                                                                 {
1059                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
1060                                                                                 }
1061                                                                                 if ($sCountryCodesSQL) $sSQL .= " and lp.country_code in ($sCountryCodesSQL)";
1062                                                                                 if ($sOrderBySQL) $sSQL .= "order by ".$sOrderBySQL." asc";
1063                                                                                 if ($iOffset) $sSQL .= " offset $iOffset";
1064                                                                                 $sSQL .= " limit $iLimit";
1065                                                                                 if (CONST_Debug) var_dump($sSQL);
1066                                                                                 $aClassPlaceIDs = array_merge($aClassPlaceIDs, $oDB->getCol($sSQL));
1067                                                                         }
1068                                                                         else
1069                                                                         {
1070                                                                                 if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];
1071
1072                                                                                 $sOrderBySQL = '';
1073                                                                                 if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.geometry)";
1074                                                                                 else $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
1075
1076                                                                                 $sSQL = "select distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'')." from placex as l,placex as f where ";
1077                                                                                 $sSQL .= "f.place_id in ( $sPlaceIDs) and ST_DWithin(l.geometry, st_centroid(f.geometry), $fRange) ";
1078                                                                                 $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
1079                                                                                 if (sizeof($aExcludePlaceIDs))
1080                                                                                 {
1081                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
1082                                                                                 }
1083                                                                                 if ($sCountryCodesSQL) $sSQL .= " and l.country_code in ($sCountryCodesSQL)";
1084                                                                                 if ($sOrderBy) $sSQL .= "order by ".$OrderBysSQL." asc";
1085                                                                                 if ($iOffset) $sSQL .= " offset $iOffset";
1086                                                                                 $sSQL .= " limit $iLimit";
1087                                                                                 if (CONST_Debug) var_dump($sSQL);
1088                                                                                 $aClassPlaceIDs = array_merge($aClassPlaceIDs, $oDB->getCol($sSQL));
1089                                                                         }
1090                                                                         }
1091                                                                 }
1092
1093                                                                 $aPlaceIDs = $aClassPlaceIDs;
1094
1095                                                         }
1096
1097                                                 }
1098
1099                                                 if (PEAR::IsError($aPlaceIDs))
1100                                                 {
1101                                                         failInternalError("Could not get place IDs from tokens." ,$sSQL, $aPlaceIDs);
1102                                                 }
1103
1104                                                 if (CONST_Debug) var_Dump($aPlaceIDs);
1105
1106                                                 foreach($aPlaceIDs as $iPlaceID)
1107                                                 {
1108                                                         $aResultPlaceIDs[$iPlaceID] = $iPlaceID;
1109                                                 }
1110                                                 if ($iQueryLoop > 20) break;
1111                                         }
1112
1113                                         //exit;
1114                                         if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs)) break;
1115                                         if ($iGroupLoop > 4) break;
1116                                         if ($iQueryLoop > 30) break;
1117                                 }
1118 //exit;
1119                                 // Did we find anything?
1120                                 if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs))
1121                                 {
1122 //var_Dump($aResultPlaceIDs);exit;
1123                                         // Get the details for display (is this a redundant extra step?)
1124                                         $sPlaceIDs = join(',',$aResultPlaceIDs);
1125                                         $sOrderSQL = 'CASE ';
1126                                         foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
1127                                         {
1128                                                 $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
1129                                         }
1130                                         $sOrderSQL .= ' ELSE 10000000 END';
1131                                         $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,country_code,";
1132                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1133                                         $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
1134                                         $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
1135                                         $sSQL .= "avg(ST_X(ST_Centroid(geometry))) as lon,avg(ST_Y(ST_Centroid(geometry))) as lat, ";
1136 //                                      $sSQL .= $sOrderSQL." as porder, ";
1137                                         $sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance ";
1138                                         $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
1139                                         $sSQL .= "and placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
1140                                         if ($sAllowedTypesSQLList) $sSQL .= "and placex.class in $sAllowedTypesSQLList ";
1141                                         $sSQL .= "and linked_place_id is null ";
1142                                         $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,country_code,importance";
1143                                         if (!$bDeDupe) $sSQL .= ",place_id";
1144                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1145                                         $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
1146                                         $sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
1147                                         $sSQL .= " union ";
1148                                         $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,";
1149                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1150                                         $sSQL .= "null as placename,";
1151                                         $sSQL .= "null as ref,";
1152                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1153 //                                      $sSQL .= $sOrderSQL." as porder, ";
1154                                         $sSQL .= "-0.15 as importance ";
1155                                         $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
1156                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1157                                         $sSQL .= "group by place_id";
1158                                         if (!$bDeDupe) $sSQL .= ",place_id";
1159                                         $sSQL .= " union ";
1160                                         $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,";
1161                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1162                                         $sSQL .= "null as placename,";
1163                                         $sSQL .= "null as ref,";
1164                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1165 //                                      $sSQL .= $sOrderSQL." as porder, ";
1166                                         $sSQL .= "-0.10 as importance ";
1167                                         $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
1168                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1169                                         $sSQL .= "group by place_id";
1170                                         if (!$bDeDupe) $sSQL .= ",place_id";
1171                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1172                                         $sSQL .= "order by importance desc";
1173 //                                      $sSQL .= "order by rank_search,rank_address,porder asc";
1174                                         if (CONST_Debug) var_dump('<hr>',$sSQL);
1175                                         $aSearchResults = $oDB->getAll($sSQL);
1176 //var_dump($sSQL,$aSearchResults);exit;
1177
1178                                         if (PEAR::IsError($aSearchResults))
1179                                         {
1180                                                 failInternalError("Could not get details for place.", $sSQL, $aSearchResults);
1181                                         }
1182                                 }
1183                         } // end if ($sQuery)
1184                         else
1185                         {
1186                                 if (isset($_GET['nearlat']) && trim($_GET['nearlat'])!=='' && isset($_GET['nearlon']) && trim($_GET['nearlon']) !== '')
1187                                 {
1188                                         $iPlaceID = geocodeReverse($_GET['nearlat'], $_GET['nearlon']);
1189                                         $aResultPlaceIDs = array($iPlaceID);
1190
1191                                         // TODO: this needs refactoring!
1192
1193                                         // Get the details for display (is this a redundant extra step?)
1194                                         $sPlaceIDs = join(',',$aResultPlaceIDs);
1195                                         $sOrderSQL = 'CASE ';
1196                                         foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
1197                                         {
1198                                                 $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
1199                                         }
1200                                         $sOrderSQL .= ' ELSE 10000000 END';
1201                                         $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,country_code,";
1202                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1203                                         $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
1204                                         $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
1205                                         $sSQL .= "avg(ST_X(ST_Centroid(geometry))) as lon,avg(ST_Y(ST_Centroid(geometry))) as lat, ";
1206 //                                      $sSQL .= $sOrderSQL." as porder, ";
1207                                         $sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance ";
1208                                         $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
1209                                         $sSQL .= "and placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
1210                                         $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,country_code,importance";
1211                                         if (!$bDeDupe) $sSQL .= ",place_id";
1212                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1213                                         $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
1214                                         $sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
1215                                         $sSQL .= " union ";
1216                                         $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,";
1217                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1218                                         $sSQL .= "null as placename,";
1219                                         $sSQL .= "null as ref,";
1220                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1221 //                                      $sSQL .= $sOrderSQL." as porder, ";
1222                                         $sSQL .= "-0.15 as importance ";
1223                                         $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
1224                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1225                                         $sSQL .= "group by place_id";
1226                                         if (!$bDeDupe) $sSQL .= ",place_id";
1227                                         $sSQL .= " union ";
1228                                         $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,";
1229                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1230                                         $sSQL .= "null as placename,";
1231                                         $sSQL .= "null as ref,";
1232                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1233 //                                      $sSQL .= $sOrderSQL." as porder, ";
1234                                         $sSQL .= "-0.10 as importance ";
1235                                         $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
1236                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1237                                         $sSQL .= "group by place_id";
1238                                         if (!$bDeDupe) $sSQL .= ",place_id";
1239                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1240                                         $sSQL .= "order by importance desc";
1241 //                                      $sSQL .= "order by rank_search,rank_address,porder asc";
1242                                         if (CONST_Debug) var_dump('<hr>',$sSQL);
1243                                         $aSearchResults = $oDB->getAll($sSQL);
1244 //var_dump($sSQL,$aSearchResults);exit;
1245
1246                                         if (PEAR::IsError($aSearchResults))
1247                                         {
1248                         failInternalError("Could not get details for place (near).", $sSQL, $aSearchResults);
1249                                         }
1250                                 }
1251                         }
1252                 }
1253
1254         $sSearchResult = '';
1255         if (!sizeof($aSearchResults) && isset($_GET['q']) && $_GET['q'])
1256         {
1257                 $sSearchResult = 'No Results Found';
1258         }
1259 //var_Dump($aSearchResults);
1260 //exit;
1261         $aClassType = getClassTypesWithImportance();
1262         $aRecheckWords = preg_split('/\b/',$sQuery);
1263         foreach($aRecheckWords as $i => $sWord)
1264         {
1265                 if (!$sWord) unset($aRecheckWords[$i]);
1266         }
1267         foreach($aSearchResults as $iResNum => $aResult)
1268         {
1269                 if (CONST_Search_AreaPolygons)
1270                 {
1271                         // Get the bounding box and outline polygon
1272                         $sSQL = "select place_id,numfeatures,area,outline,";
1273                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),2)) as maxlat,";
1274                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),3)) as maxlon,";
1275                         $sSQL .= "ST_AsText(outline) as outlinestring from get_place_boundingbox_quick(".$aResult['place_id'].")";
1276
1277                         $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
1278                         $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
1279                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),2)) as maxlat,";
1280                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon";
1281                         if ($bAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
1282                         if ($bAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
1283                         if ($bAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
1284                         if ($bAsText || $bShowPolygons) $sSQL .= ",ST_AsText(geometry) as astext";
1285                         $sSQL .= " from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
1286                         $aPointPolygon = $oDB->getRow($sSQL);
1287                         if (PEAR::IsError($aPointPolygon))
1288                         {
1289                                 failInternalError("Could not get outline.", $sSQL, $aPointPolygon);
1290                         }
1291                         if ($aPointPolygon['place_id'])
1292                         {
1293                                 if ($bAsGeoJSON) $aResult['asgeojson'] = $aPointPolygon['asgeojson'];
1294                                 if ($bAsKML) $aResult['askml'] = $aPointPolygon['askml'];
1295                                 if ($bAsSVG) $aResult['assvg'] = $aPointPolygon['assvg'];
1296                                 if ($bAsText) $aResult['astext'] = $aPointPolygon['astext'];
1297
1298                                 if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null ) {
1299                                         $aResult['lat'] = $aPointPolygon['centrelat'];
1300                                         $aResult['lon'] = $aPointPolygon['centrelon'];
1301                                 }
1302                                 if ($bShowPolygons)
1303                                 {
1304                                         // Translate geometary string to point array
1305                                         if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
1306                                         {
1307                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1308                                         }
1309                                         elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
1310                                         {
1311                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1312                                         }
1313                                         elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['astext'],$aMatch))
1314                                         {
1315                                                 $fRadius = 0.01;
1316                                                 $iSteps = ($fRadius * 40000)^2;
1317                                                 $fStepSize = (2*pi())/$iSteps;
1318                                                 $aPolyPoints = array();
1319                                                 for($f = 0; $f < 2*pi(); $f += $fStepSize)
1320                                                 {
1321                                                         $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
1322                                                 }
1323                                                 $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
1324                                                 $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
1325                                                 $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
1326                                                 $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
1327                                         }
1328                                 }
1329
1330                                 // Output data suitable for display (points and a bounding box)
1331                                 if ($bShowPolygons && isset($aPolyPoints))
1332                                 {
1333                                         $aResult['aPolyPoints'] = array();
1334                                         foreach($aPolyPoints as $aPoint)
1335                                         {
1336                                                 $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1337                                         }
1338                                 }
1339                                 $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1340                         }
1341                 }
1342
1343                 if (!isset($aResult['aBoundingBox']))
1344                 {
1345                         // Default
1346                         $fDiameter = 0.0001;
1347
1348                         if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1349                                         && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1350                         {
1351                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defzoom'];
1352                         }
1353                         elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1354                                         && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1355                         {
1356                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
1357                         }
1358                         $fRadius = $fDiameter / 2;
1359
1360                         $iSteps = max(8,min(100,$fRadius * 3.14 * 100000));
1361                         $fStepSize = (2*pi())/$iSteps;
1362                         $aPolyPoints = array();
1363                         for($f = 0; $f < 2*pi(); $f += $fStepSize)
1364                         {
1365                                 $aPolyPoints[] = array('',$aResult['lon']+($fRadius*sin($f)),$aResult['lat']+($fRadius*cos($f)));
1366                         }
1367                         $aPointPolygon['minlat'] = $aResult['lat'] - $fRadius;
1368                         $aPointPolygon['maxlat'] = $aResult['lat'] + $fRadius;
1369                         $aPointPolygon['minlon'] = $aResult['lon'] - $fRadius;
1370                         $aPointPolygon['maxlon'] = $aResult['lon'] + $fRadius;
1371
1372                         // Output data suitable for display (points and a bounding box)
1373                         if ($bShowPolygons)
1374                         {
1375                                 $aResult['aPolyPoints'] = array();
1376                                 foreach($aPolyPoints as $aPoint)
1377                                 {
1378                                         $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1379                                 }
1380                         }
1381                         $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1382                 }
1383
1384                 // Is there an icon set for this type of result?
1385                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1386                         && $aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1387                 {
1388                         $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
1389                 }
1390
1391                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1392                         && $aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1393                 {
1394                         $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type']]['label'];
1395                 }
1396
1397                 if ($bShowAddressDetails)
1398                 {
1399                         $aResult['address'] = getAddressDetails($oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code']);
1400 //var_dump($aResult['address']);
1401 //exit;
1402                 }
1403
1404                 // Adjust importance for the number of exact string matches in the result
1405                 $aResult['importance'] = max(0.001,$aResult['importance']);
1406                 $iCountWords = 0;
1407                 $sAddress = $aResult['langaddress'];
1408                 foreach($aRecheckWords as $i => $sWord)
1409                 {
1410                         if (stripos($sAddress, $sWord)!==false) $iCountWords++;
1411                 }
1412                 $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
1413
1414 //if (CONST_Debug) var_dump($aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']);
1415 /*
1416                 if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
1417                         && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
1418                 {
1419                         $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'];
1420                 }
1421                 elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
1422                         && $aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
1423                 {
1424                         $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
1425                 }
1426                 else
1427                 {
1428                         $aResult['importance'] = 1000000000000000;
1429                 }
1430 */
1431                 $aResult['name'] = $aResult['langaddress'];
1432                 $aResult['foundorder'] = $iResNum;
1433                 $aSearchResults[$iResNum] = $aResult;
1434         }
1435         uasort($aSearchResults, 'byImportance');
1436
1437         $aOSMIDDone = array();
1438         $aClassTypeNameDone = array();
1439         $aToFilter = $aSearchResults;
1440         $aSearchResults = array();
1441
1442         $bFirst = true;
1443         foreach($aToFilter as $iResNum => $aResult)
1444         {
1445                 if ($aResult['type'] == 'adminitrative') $aResult['type'] = 'administrative';
1446                 $aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
1447                 if ($bFirst)
1448                 {
1449                         $fLat = $aResult['lat'];
1450                         $fLon = $aResult['lon'];
1451                         if (isset($aResult['zoom'])) $iZoom = $aResult['zoom'];
1452                         $bFirst = false;
1453                 }
1454                 if (!$bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
1455                         && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['name']])))
1456                 {
1457                         $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
1458                         $aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['name']] = true;
1459                         $aSearchResults[] = $aResult;
1460                 }
1461
1462                 // Absolute limit on number of results
1463                 if (sizeof($aSearchResults) >= $iFinalLimit) break;
1464         }
1465
1466         $sDataDate = $oDB->getOne("select TO_CHAR(lastimportdate - '1 day'::interval,'YYYY/MM/DD') from import_status limit 1");
1467
1468         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
1469         {
1470                 $sQuery .= ' ['.$_GET['nearlat'].','.$_GET['nearlon'].']';
1471         }
1472
1473         if ($sQuery)
1474         {
1475                 logEnd($oDB, $hLog, sizeof($aToFilter));
1476         }
1477         $sMoreURL = CONST_Website_BaseURL.'search?format='.urlencode($sOutputFormat).'&exclude_place_ids='.join(',',$aExcludePlaceIDs);
1478         if (isset($_SERVER["HTTP_ACCEPT_LANGUAGE"])) $sMoreURL .= '&accept-language='.$_SERVER["HTTP_ACCEPT_LANGUAGE"];
1479         if ($bShowPolygons) $sMoreURL .= '&polygon=1';
1480         if ($bShowAddressDetails) $sMoreURL .= '&addressdetails=1';
1481         if (isset($_GET['viewbox']) && $_GET['viewbox']) $sMoreURL .= '&viewbox='.urlencode($_GET['viewbox']);
1482         if (isset($_GET['nearlat']) && isset($_GET['nearlon'])) $sMoreURL .= '&nearlat='.(float)$_GET['nearlat'].'&nearlon='.(float)$_GET['nearlon'];
1483         if ($sSuggestion)
1484         {
1485                 $sSuggestionURL = $sMoreURL.'&q='.urlencode($sSuggestion);
1486         }
1487         $sMoreURL .= '&q='.urlencode($sQuery);
1488
1489         if (CONST_Debug) exit;
1490
1491         include(CONST_BasePath.'/lib/template/search-'.$sOutputFormat.'.php');