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         $bDeDupe = isset($_GET['dedupe'])?(bool)$_GET['dedupe']:true;
  21         $bReverseInPlan = false;
  22         $iFinalLimit = isset($_GET['limit'])?(int)$_GET['limit']:10;
  23         $iOffset = isset($_GET['offset'])?(int)$_GET['offset']:0;
  24         $iMaxRank = 20;
  25         if ($iFinalLimit > 50) $iFinalLimit = 50;
  26         $iLimit = $iFinalLimit + min($iFinalLimit, 10);
  27         $iMinAddressRank = 0;
  28         $iMaxAddressRank = 30;
  29         $sAllowedTypesSQLList = false;
  30
  31         // Format for output
  32         if (isset($_GET['format']) && ($_GET['format'] == 'html' || $_GET['format'] == 'xml' || $_GET['format'] == 'json' ||  $_GET['format'] == 'jsonv2'))
  33         {
  34                 $sOutputFormat = $_GET['format'];
  35         }
  36
  37         // Show / use polygons
  38         $bShowPolygons = (boolean)isset($_GET['polygon']) && $_GET['polygon'];
  39         if ($sOutputFormat == 'html')
  40         {
  41                 $bAsText = $bShowPolygons;
  42                 $bShowPolygons = false;
  43                 $bAsGeoJSON = false;
  44                 $bAsKML = false;
  45                 $bAsSVG = false;
  46         }
  47         else
  48         {
  49                 $bAsGeoJSON = (boolean)isset($_GET['polygon_geojson']) && $_GET['polygon_geojson'];
  50                 $bAsKML = (boolean)isset($_GET['polygon_kml']) && $_GET['polygon_kml'];
  51                 $bAsSVG = (boolean)isset($_GET['polygon_svg']) && $_GET['polygon_svg'];
  52                 $bAsText = (boolean)isset($_GET['polygon_text']) && $_GET['polygon_text'];
  53                 if ((($bShowPolygons?1:0)
  54                                         + ($bAsGeoJSON?1:0)
  55                                         + ($bAsKML?1:0)
  56                                         + ($bAsSVG?1:0)
  57                                         + ($bAsText?1:0)
  58                         ) > CONST_PolygonOutput_MaximumTypes)
  59                 {
  60                         if (CONST_PolygonOutput_MaximumTypes)
  61                         {
  62                                 userError("Select only ".CONST_PolygonOutput_MaximumTypes." polgyon output option");
  63                         }
  64                         else
  65                         {
  66                                 userError("Polygon output is disabled");
  67                         }
  68                         exit;
  69                 }
  70         }
  71
  72         // Show address breakdown
  73         $bShowAddressDetails = isset($_GET['addressdetails']) && $_GET['addressdetails'];
  74
  75         // Preferred language
  76         $aLangPrefOrder = getPreferredLanguages();
  77         if (isset($aLangPrefOrder['name:de'])) $bReverseInPlan = true;
  78         if (isset($aLangPrefOrder['name:ru'])) $bReverseInPlan = true;
  79         if (isset($aLangPrefOrder['name:ja'])) $bReverseInPlan = true;
  80
  81         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$aLangPrefOrder))."]";
  82
  83         if (isset($_GET['exclude_place_ids']) && $_GET['exclude_place_ids'])
  84         {
  85                 foreach(explode(',',$_GET['exclude_place_ids']) as $iExcludedPlaceID)
  86                 {
  87                         $iExcludedPlaceID = (int)$iExcludedPlaceID;
  88                         if ($iExcludedPlaceID) $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
  89                 }
  90         }
  91
  92         // Only certain ranks of feature
  93         if (isset($_GET['featureType']) && !isset($_GET['featuretype'])) $_GET['featuretype'] = $_GET['featureType'];
  94
  95         if (isset($_GET['featuretype']))
  96         {
  97                 switch($_GET['featuretype'])
  98                 {
  99                 case 'country':
 100                         $iMinAddressRank = $iMaxAddressRank = 4;
 101                         break;
 102                 case 'state':
 103                         $iMinAddressRank = $iMaxAddressRank = 8;
 104                         break;
 105                 case 'city':
 106                         $iMinAddressRank = 14;
 107                         $iMaxAddressRank = 16;
 108                         break;
 109                 case 'settlement':
 110                         $iMinAddressRank = 8;
 111                         $iMaxAddressRank = 20;
 112                         break;
 113                 }
 114         }
 115
 116         if (isset($_GET['countrycodes']))
 117         {
 118                 $aCountryCodes = array();
 119                 foreach(explode(',',$_GET['countrycodes']) as $sCountryCode)
 120                 {
 121                         if (preg_match('/^[a-zA-Z][a-zA-Z]$/', $sCountryCode))
 122                         {
 123                                 $aCountryCodes[] = "'".strtolower($sCountryCode)."'";
 124                         }
 125                 }
 126                 $sCountryCodesSQL = join(',', $aCountryCodes);
 127         }
 128
 129         // Search query
 130         $sQuery = (isset($_GET['q'])?trim($_GET['q']):'');
 131         if (!$sQuery && isset($_SERVER['PATH_INFO']) && $_SERVER['PATH_INFO'][0] == '/')
 132         {
 133                 $sQuery = substr($_SERVER['PATH_INFO'], 1);
 134
 135                 // reverse order of '/' separated string
 136                 $aPhrases = explode('/', $sQuery);
 137                 $aPhrases = array_reverse($aPhrases);
 138                 $sQuery = join(', ',$aPhrases);
 139         }
 140
 141         function structuredAddressElement(&$aStructuredQuery, &$iMinAddressRank, &$iMaxAddressRank, $aParams, $sKey, $iNewMinAddressRank, $iNewMaxAddressRank)
 142         {
 143                 if (!isset($_GET[$sKey])) return false;
 144                 $sValue = trim($_GET[$sKey]);
 145                 if (!$sValue) return false;
 146                 $aStructuredQuery[$sKey] = $sValue;
 147                 if ($iMinAddressRank == 0 && $iMaxAddressRank == 30)
 148                 {
 149                         $iMinAddressRank = $iNewMinAddressRank;
 150                         $iMaxAddressRank = $iNewMaxAddressRank;
 151                 }
 152                 return true;
 153         }
 154
 155         // Structured query?
 156         $aStructuredOptions = array(
 157                                 array('amenity', 26, 30),
 158                                 array('street', 26, 30),
 159                                 array('city', 14, 24),
 160                                 array('county', 9, 13),
 161                                 array('state', 8, 8),
 162                                 array('country', 4, 4),
 163                                 array('postalcode', 5, 11),
 164                                 );
 165         $aStructuredQuery = array();
 166         $sAllowedTypesSQLList = '';
 167         foreach($aStructuredOptions as $aStructuredOption)
 168         {
 169                 loadStructuredAddressElement($aStructuredQuery, $iMinAddressRank, $iMaxAddressRank, $_GET, $aStructuredOption[0], $aStructuredOption[1], $aStructuredOption[2]);
 170         }
 171         if (sizeof($aStructuredQuery) > 0)
 172         {
 173                 $sQuery = join(', ', $aStructuredQuery);
 174                 if ($iMaxAddressRank < 30)
 175                 {
 176                         $sAllowedTypesSQLList = '(\'place\',\'boundary\')';
 177                 }
 178         }
 179
 180         if ($sQuery)
 181         {
 182                 $hLog = logStart($oDB, 'search', $sQuery, $aLangPrefOrder);
 183
 184                 // Hack to make it handle "new york, ny" (and variants) correctly
 185                 $sQuery = str_ireplace(array('New York, ny','new york, new york', 'New York ny','new york new york'), 'new york city, ny', $sQuery);
 186                 if (isset($aLangPrefOrder['name:en']))
 187                 {
 188                         $sQuery = preg_replace('/,\s*il\s*(,|$)/',', illinois\1', $sQuery);
 189                         $sQuery = preg_replace('/,\s*al\s*(,|$)/',', alabama\1', $sQuery);
 190                         $sQuery = preg_replace('/,\s*la\s*(,|$)/',', louisiana\1', $sQuery);
 191                 }
 192
 193                 // If we have a view box create the SQL
 194                 // Small is the actual view box, Large is double (on each axis) that
 195                 $sViewboxCentreSQL = $sViewboxSmallSQL = $sViewboxLargeSQL = false;
 196                 if (isset($_GET['viewboxlbrt']) && $_GET['viewboxlbrt'])
 197                 {
 198                         $aCoOrdinatesLBRT = explode(',',$_GET['viewboxlbrt']);
 199                         $_GET['viewbox'] = $aCoOrdinatesLBRT[0].','.$aCoOrdinatesLBRT[3].','.$aCoOrdinatesLBRT[2].','.$aCoOrdinatesLBRT[1];
 200                 }
 201                 if (isset($_GET['viewbox']) && $_GET['viewbox'])
 202                 {
 203                         $aCoOrdinates = explode(',',$_GET['viewbox']);
 204                         $sViewboxSmallSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
 205                         $fHeight = $aCoOrdinates[0]-$aCoOrdinates[2];
 206                         $fWidth = $aCoOrdinates[1]-$aCoOrdinates[3];
 207                         $aCoOrdinates[0] += $fHeight;
 208                         $aCoOrdinates[2] -= $fHeight;
 209                         $aCoOrdinates[1] += $fWidth;
 210                         $aCoOrdinates[3] -= $fWidth;
 211                         $sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
 212                 }
 213                 else
 214                 {
 215                         $bBoundingBoxSearch = false;
 216                 }
 217                 if (isset($_GET['route']) && $_GET['route'] && isset($_GET['routewidth']) && $_GET['routewidth'])
 218                 {
 219                         $aPoints = explode(',',$_GET['route']);
 220                         if (sizeof($aPoints) % 2 != 0)
 221                         {
 222                                 userError("Uneven number of points");
 223                                 exit;
 224                         }
 225                         $sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
 226                         $fPrevCoord = false;
 227                         foreach($aPoints as $i => $fPoint)
 228                         {
 229                                 if ($i%2)
 230                                 {
 231                                         if ($i != 1) $sViewboxCentreSQL .= ",";
 232                                         $sViewboxCentreSQL .= ((float)$fPoint).' '.$fPrevCoord;
 233                                 }
 234                                 else
 235                                 {
 236                                         $fPrevCoord = (float)$fPoint;
 237                                 }
 238                         }
 239                         $sViewboxCentreSQL .= ")'::geometry,4326)";
 240
 241                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/69).")";
 242                         $sViewboxSmallSQL = $oDB->getOne($sSQL);
 243                         if (PEAR::isError($sViewboxSmallSQL))
 244                         {
 245                                 failInternalError("Could not get small viewbox.", $sSQL, $sViewboxSmallSQL);
 246                         }
 247                         $sViewboxSmallSQL = "'".$sViewboxSmallSQL."'::geometry";
 248
 249                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/30).")";
 250                         $sViewboxLargeSQL = $oDB->getOne($sSQL);
 251                         if (PEAR::isError($sViewboxLargeSQL))
 252                         {
 253                                 failInternalError("Could not get large viewbox.", $sSQL, $sViewboxLargeSQL);
 254                         }
 255                         $sViewboxLargeSQL = "'".$sViewboxLargeSQL."'::geometry";
 256                         $bBoundingBoxSearch = true;
 257                 }
 258
 259                 // Do we have anything that looks like a lat/lon pair?
 260                 if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[ ]+([0-9.]+)?[, ]+([EW])[ ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?\\b/', $sQuery, $aData))
 261                 {
 262                         $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
 263                         $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
 264                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 265                         {
 266                                 $_GET['nearlat'] = $fQueryLat;
 267                                 $_GET['nearlon'] = $fQueryLon;
 268                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 269                         }
 270                 }
 271                 elseif (preg_match('/\\b([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([NS])[, ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([EW])\\b/', $sQuery, $aData))
 272                 {
 273                         $fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
 274                         $fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
 275                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 276                         {
 277                                 $_GET['nearlat'] = $fQueryLat;
 278                                 $_GET['nearlon'] = $fQueryLon;
 279                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 280                         }
 281                 }
 282                 elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9.]*)[, ]+(-?[0-9]+[0-9.]*)(\\]|$|\\b)/', $sQuery, $aData))
 283                 {
 284                         $fQueryLat = $aData[2];
 285                         $fQueryLon = $aData[3];
 286                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 287                         {
 288                                 $_GET['nearlat'] = $fQueryLat;
 289                                 $_GET['nearlon'] = $fQueryLon;
 290                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 291                         }
 292                 }
 293
 294                 if ($sQuery || $aStructuredQuery)
 295                 {
 296                         // Start with a blank search
 297                         $aSearches = array(
 298                                 array('iSearchRank' => 0, 'iNamePhrase' => -1, 'sCountryCode' => false, 'aName'=>array(), 'aAddress'=>array(), 'aFullNameAddress'=>array(),
 299                                       'aNameNonSearch'=>array(), 'aAddressNonSearch'=>array(),
 300                                       'sOperator'=>'', 'aFeatureName' => array(), 'sClass'=>'', 'sType'=>'', 'sHouseNumber'=>'', 'fLat'=>'', 'fLon'=>'', 'fRadius'=>'')
 301                         );
 302
 303                         $sNearPointSQL = false;
 304                         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
 305                         {
 306                                 $sNearPointSQL = "ST_SetSRID(ST_Point(".(float)$_GET['nearlon'].",".(float)$_GET['nearlat']."),4326)";
 307                                 $aSearches[0]['fLat'] = (float)$_GET['nearlat'];
 308                                 $aSearches[0]['fLon'] = (float)$_GET['nearlon'];
 309                                 $aSearches[0]['fRadius'] = 0.1;
 310                         }
 311
 312                         $bSpecialTerms = false;
 313                         preg_match_all('/\\[(.*)=(.*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 314                         $aSpecialTerms = array();
 315                         foreach($aSpecialTermsRaw as $aSpecialTerm)
 316                         {
 317                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 318                                 $aSpecialTerms[strtolower($aSpecialTerm[1])] = $aSpecialTerm[2];
 319                         }
 320
 321                         preg_match_all('/\\[([\\w ]*)\\]/u', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 322                         $aSpecialTerms = array();
 323                         if (isset($aStructuredQuery['amenity']) && $aStructuredQuery['amenity'])
 324                         {
 325                                 $aSpecialTermsRaw[] = array('['.$aStructuredQuery['amenity'].']', $aStructuredQuery['amenity']);
 326                                 unset($aStructuredQuery['amenity']);
 327                         }
 328                         foreach($aSpecialTermsRaw as $aSpecialTerm)
 329                         {
 330                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 331                                 $sToken = $oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
 332                                 $sSQL = 'select * from (select word_id,word_token, word, class, type, country_code, operator';
 333                                 $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\')) or country_code is not null';
 334                                 if (CONST_Debug) var_Dump($sSQL);
 335                                 $aSearchWords = $oDB->getAll($sSQL);
 336                                 $aNewSearches = array();
 337                                 foreach($aSearches as $aSearch)
 338                                 {
 339                                         foreach($aSearchWords as $aSearchTerm)
 340                                         {
 341                                                 $aNewSearch = $aSearch;
 342                                                 if ($aSearchTerm['country_code'])
 343                                                 {
 344                                                         $aNewSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 345                                                         $aNewSearches[] = $aNewSearch;
 346                                                         $bSpecialTerms = true;
 347                                                 }
 348                                                 if ($aSearchTerm['class'])
 349                                                 {
 350                                                         $aNewSearch['sClass'] = $aSearchTerm['class'];
 351                                                         $aNewSearch['sType'] = $aSearchTerm['type'];
 352                                                         $aNewSearches[] = $aNewSearch;
 353                                                         $bSpecialTerms = true;
 354                                                 }
 355                                         }
 356                                 }
 357                                 $aSearches = $aNewSearches;
 358                         }
 359
 360                         // Split query into phrases
 361                         // Commas are used to reduce the search space by indicating where phrases split
 362                         if (sizeof($aStructuredQuery) > 0)
 363                         {
 364                                 $aPhrases = $aStructuredQuery;
 365                                 $bStructuredPhrases = true;
 366                         }
 367                         else
 368                         {
 369                                 $aPhrases = explode(',',$sQuery);
 370                                 $bStructuredPhrases = false;
 371                         }
 372
 373
 374                         // Convert each phrase to standard form
 375                         // Create a list of standard words
 376                         // Get all 'sets' of words
 377                         // Generate a complete list of all
 378                         $aTokens = array();
 379                         foreach($aPhrases as $iPhrase => $sPhrase)
 380                         {
 381                                 $aPhrase = $oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
 382                                 if (PEAR::isError($aPhrase))
 383                                 {
 384                                         userError("Illegal query string (not an UTF-8 string): ".$sPhrase);
 385                                         if (CONST_Debug) var_dump($aPhrase);
 386                                         exit;
 387                                 }
 388                                 if (trim($aPhrase['string']))
 389                                 {
 390                                         $aPhrases[$iPhrase] = $aPhrase;
 391                                         $aPhrases[$iPhrase]['words'] = explode(' ',$aPhrases[$iPhrase]['string']);
 392                                         $aPhrases[$iPhrase]['wordsets'] = getWordSets($aPhrases[$iPhrase]['words'], 0);
 393                                         $aTokens = array_merge($aTokens, getTokensFromSets($aPhrases[$iPhrase]['wordsets']));
 394                                 }
 395                                 else
 396                                 {
 397                                         unset($aPhrases[$iPhrase]);
 398                                 }
 399                         }
 400
 401                         // reindex phrases - we make assumptions later on
 402                         $aPhraseTypes = array_keys($aPhrases);
 403                         $aPhrases = array_values($aPhrases);
 404
 405                         if (sizeof($aTokens))
 406                         {
 407
 408                                 // Check which tokens we have, get the ID numbers
 409                                 $sSQL = 'select word_id,word_token, word, class, type, country_code, operator, search_name_count';
 410                                 $sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
 411                                 //$sSQL .= ' and search_name_count < '.CONST_Max_Word_Frequency;
 412                                 //$sSQL .= ' group by word_token, word, class, type, country_code';
 413
 414                                 if (CONST_Debug) var_Dump($sSQL);
 415
 416                                 $aValidTokens = array();
 417                                 if (sizeof($aTokens)) $aDatabaseWords = $oDB->getAll($sSQL);
 418                                 else $aDatabaseWords = array();
 419                                 if (PEAR::IsError($aDatabaseWords))
 420                                 {
 421                                         failInternalError("Could not get word tokens.", $sSQL, $aDatabaseWords);
 422                                 }
 423                                 $aPossibleMainWordIDs = array();
 424                                 $aWordFrequencyScores = array();
 425                                 foreach($aDatabaseWords as $aToken)
 426                                 {
 427                                         // Very special case - require 2 letter country param to match the country code found
 428                                         if ($bStructuredPhrases && $aToken['country_code'] && !empty($aStructuredQuery['country'])
 429                                                         && strlen($aStructuredQuery['country']) == 2 && strtolower($aStructuredQuery['country']) != $aToken['country_code'])
 430                                         {
 431                                                 continue;
 432                                         }
 433
 434                                         if (isset($aValidTokens[$aToken['word_token']]))
 435                                         {
 436                                                 $aValidTokens[$aToken['word_token']][] = $aToken;
 437                                         }
 438                                         else
 439                                         {
 440                                                 $aValidTokens[$aToken['word_token']] = array($aToken);
 441                                         }
 442                                         if (!$aToken['class'] && !$aToken['country_code']) $aPossibleMainWordIDs[$aToken['word_id']] = 1;
 443                                         $aWordFrequencyScores[$aToken['word_id']] = $aToken['search_name_count'] + 1;
 444                                 }
 445                                 if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
 446
 447                                 // Try and calculate GB postcodes we might be missing
 448                                 foreach($aTokens as $sToken)
 449                                 {
 450                                         // Source of gb postcodes is now definitive - always use
 451                                         if (preg_match('/^([A-Z][A-Z]?[0-9][0-9A-Z]? ?[0-9])([A-Z][A-Z])$/', strtoupper(trim($sToken)), $aData))
 452                                         {
 453                                                 if (substr($aData[1],-2,1) != ' ')
 454                                                 {
 455                                                         $aData[0] = substr($aData[0],0,strlen($aData[1]-1)).' '.substr($aData[0],strlen($aData[1]-1));
 456                                                         $aData[1] = substr($aData[1],0,-1).' '.substr($aData[1],-1,1);
 457                                                 }
 458                                                 $aGBPostcodeLocation = gbPostcodeCalculate($aData[0], $aData[1], $aData[2], $oDB);
 459                                                 if ($aGBPostcodeLocation)
 460                                                 {
 461                                                         $aValidTokens[$sToken] = $aGBPostcodeLocation;
 462                                                 }
 463                                         }
 464                                 }
 465
 466                                 foreach($aTokens as $sToken)
 467                                 {
 468                                         // Unknown single word token with a number - assume it is a house number
 469                                         if (!isset($aValidTokens[' '.$sToken]) && strpos($sToken,' ') === false && preg_match('/[0-9]/', $sToken))
 470                                         {
 471                                                 $aValidTokens[' '.$sToken] = array(array('class'=>'place','type'=>'house'));
 472                                         }
 473                                 }
 474
 475                                 // Any words that have failed completely?
 476                                 // TODO: suggestions
 477
 478                                 // Start the search process
 479                                 $aResultPlaceIDs = array();
 480
 481                                 /*
 482                                    Calculate all searches using aValidTokens i.e.
 483
 484                                    'Wodsworth Road, Sheffield' =>
 485
 486                                    Phrase Wordset
 487                                    0      0       (wodsworth road)
 488                                    0      1       (wodsworth)(road)
 489                                    1      0       (sheffield)
 490
 491                                    Score how good the search is so they can be ordered
 492                                  */
 493                                 foreach($aPhrases as $iPhrase => $sPhrase)
 494                                 {
 495                                         $aNewPhraseSearches = array();
 496                                         if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
 497                                         else $sPhraseType = '';
 498
 499                                         foreach($aPhrases[$iPhrase]['wordsets'] as $aWordset)
 500                                         {
 501                                                 $aWordsetSearches = $aSearches;
 502
 503                                                 // Add all words from this wordset
 504                                                 foreach($aWordset as $iToken => $sToken)
 505                                                 {
 506                                                         //echo "<br><b>$sToken</b>";
 507                                                         $aNewWordsetSearches = array();
 508
 509                                                         foreach($aWordsetSearches as $aCurrentSearch)
 510                                                         {
 511                                                                 //echo "<i>";
 512                                                                 //var_dump($aCurrentSearch);
 513                                                                 //echo "</i>";
 514
 515                                                                 // If the token is valid
 516                                                                 if (isset($aValidTokens[' '.$sToken]))
 517                                                                 {
 518                                                                         foreach($aValidTokens[' '.$sToken] as $aSearchTerm)
 519                                                                         {
 520                                                                                 $aSearch = $aCurrentSearch;
 521                                                                                 $aSearch['iSearchRank']++;
 522                                                                                 if (($sPhraseType == '' || $sPhraseType == 'country') && !empty($aSearchTerm['country_code']) && $aSearchTerm['country_code'] != '0')
 523                                                                                 {
 524                                                                                         if ($aSearch['sCountryCode'] === false)
 525                                                                                         {
 526                                                                                                 $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 527                                                                                                 // Country is almost always at the end of the string - increase score for finding it anywhere else (optimisation)
 528                                                                                                 // If reverse order is enabled, it may appear at the beginning as well.
 529                                                                                                 if (($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases)) &&
 530                                                                                                                 (!$bReverseInPlan || $iToken > 0 || $iPhrase > 0))
 531                                                                                                 {
 532                                                                                                         $aSearch['iSearchRank'] += 5;
 533                                                                                                 }
 534                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 535                                                                                         }
 536                                                                                 }
 537                                                                                 elseif (isset($aSearchTerm['lat']) && $aSearchTerm['lat'] !== '' && $aSearchTerm['lat'] !== null)
 538                                                                                 {
 539                                                                                         if ($aSearch['fLat'] === '')
 540                                                                                         {
 541                                                                                                 $aSearch['fLat'] = $aSearchTerm['lat'];
 542                                                                                                 $aSearch['fLon'] = $aSearchTerm['lon'];
 543                                                                                                 $aSearch['fRadius'] = $aSearchTerm['radius'];
 544                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 545                                                                                         }
 546                                                                                 }
 547                                                                                 elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
 548                                                                                 {
 549                                                                                         if ($aSearch['sHouseNumber'] === '')
 550                                                                                         {
 551                                                                                                 $aSearch['sHouseNumber'] = $sToken;
 552                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 553                                                                                                 /*
 554                                                                                                 // Fall back to not searching for this item (better than nothing)
 555                                                                                                 $aSearch = $aCurrentSearch;
 556                                                                                                 $aSearch['iSearchRank'] += 1;
 557                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 558                                                                                                  */
 559                                                                                         }
 560                                                                                 }
 561                                                                                 elseif ($sPhraseType == '' && $aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
 562                                                                                 {
 563                                                                                         if ($aSearch['sClass'] === '')
 564                                                                                         {
 565                                                                                                 $aSearch['sOperator'] = $aSearchTerm['operator'];
 566                                                                                                 $aSearch['sClass'] = $aSearchTerm['class'];
 567                                                                                                 $aSearch['sType'] = $aSearchTerm['type'];
 568                                                                                                 if (sizeof($aSearch['aName'])) $aSearch['sOperator'] = 'name';
 569                                                                                                 else $aSearch['sOperator'] = 'near'; // near = in for the moment
 570
 571                                                                                                 // Do we have a shortcut id?
 572                                                                                                 if ($aSearch['sOperator'] == 'name')
 573                                                                                                 {
 574                                                                                                         $sSQL = "select get_tagpair('".$aSearch['sClass']."', '".$aSearch['sType']."')";
 575                                                                                                         if ($iAmenityID = $oDB->getOne($sSQL))
 576                                                                                                         {
 577                                                                                                                 $aValidTokens[$aSearch['sClass'].':'.$aSearch['sType']] = array('word_id' => $iAmenityID);
 578                                                                                                                 $aSearch['aName'][$iAmenityID] = $iAmenityID;
 579                                                                                                                 $aSearch['sClass'] = '';
 580                                                                                                                 $aSearch['sType'] = '';
 581                                                                                                         }
 582                                                                                                 }
 583                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 584                                                                                         }
 585                                                                                 }
 586                                                                                 elseif (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
 587                                                                                 {
 588                                                                                         if (sizeof($aSearch['aName']))
 589                                                                                         {
 590                                                                                                 if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
 591                                                                                                 {
 592                                                                                                         $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 593                                                                                                 }
 594                                                                                                 else
 595                                                                                                 {
 596                                                                                                         $aCurrentSearch['aFullNameAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 597                                                                                                         $aSearch['iSearchRank'] += 1000; // skip;
 598                                                                                                 }
 599                                                                                         }
 600                                                                                         else
 601                                                                                         {
 602                                                                                                 $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 603                                                                                                 //$aSearch['iNamePhrase'] = $iPhrase;
 604                                                                                         }
 605                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 606                                                                                 }
 607                                                                         }
 608                                                                 }
 609                                                                 if (isset($aValidTokens[$sToken]))
 610                                                                 {
 611                                                                         // Allow searching for a word - but at extra cost
 612                                                                         foreach($aValidTokens[$sToken] as $aSearchTerm)
 613                                                                         {
 614                                                                                 if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
 615                                                                                 {
 616                                                                                         if ((!$bStructuredPhrases || $iPhrase > 0) && sizeof($aCurrentSearch['aName']) && strlen($sToken) >= 4)
 617                                                                                         {
 618                                                                                                 $aSearch = $aCurrentSearch;
 619                                                                                                 $aSearch['iSearchRank'] += 1;
 620                                                                                                 if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
 621                                                                                                 {
 622                                                                                                         $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 623                                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 624                                                                                                 }
 625                                                                                                 elseif (isset($aValidTokens[' '.$sToken])) // revert to the token version?
 626                                                                                                 {
 627                                                                                                         foreach($aValidTokens[' '.$sToken] as $aSearchTermToken)
 628                                                                                                         {
 629                                                                                                                 if (empty($aSearchTermToken['country_code'])
 630                                                                                                                                 && empty($aSearchTermToken['lat'])
 631                                                                                                                                 && empty($aSearchTermToken['class']))
 632                                                                                                                 {
 633                                                                                                                         $aSearch = $aCurrentSearch;
 634                                                                                                                         $aSearch['iSearchRank'] += 1;
 635                                                                                                                         $aSearch['aAddress'][$aSearchTermToken['word_id']] = $aSearchTermToken['word_id'];
 636                                                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 637                                                                                                                 }
 638                                                                                                         }
 639                                                                                                 }
 640                                                                                                 else
 641                                                                                                 {
 642                                                                                                         $aSearch['aAddressNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 643                                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 644                                                                                                 }
 645                                                                                         }
 646
 647                                                                                         if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
 648                                                                                         {
 649                                                                                                 $aSearch = $aCurrentSearch;
 650                                                                                                 $aSearch['iSearchRank'] += 2;
 651                                                                                                 if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
 652                                                                                                 if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
 653                                                                                                         $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 654                                                                                                 else
 655                                                                                                         $aSearch['aNameNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 656                                                                                                 $aSearch['iNamePhrase'] = $iPhrase;
 657                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 658                                                                                         }
 659                                                                                 }
 660                                                                         }
 661                                                                 }
 662                                                                 else
 663                                                                 {
 664                                                                         // Allow skipping a word - but at EXTREAM cost
 665                                                                         //$aSearch = $aCurrentSearch;
 666                                                                         //$aSearch['iSearchRank']+=100;
 667                                                                         //$aNewWordsetSearches[] = $aSearch;
 668                                                                 }
 669                                                         }
 670                                                         // Sort and cut
 671                                                         usort($aNewWordsetSearches, 'bySearchRank');
 672                                                         $aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
 673                                                 }
 674                                                 //var_Dump('<hr>',sizeof($aWordsetSearches)); exit;
 675
 676                                                 $aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
 677                                                 usort($aNewPhraseSearches, 'bySearchRank');
 678
 679                                                 $aSearchHash = array();
 680                                                 foreach($aNewPhraseSearches as $iSearch => $aSearch)
 681                                                 {
 682                                                         $sHash = serialize($aSearch);
 683                                                         if (isset($aSearchHash[$sHash])) unset($aNewPhraseSearches[$iSearch]);
 684                                                         else $aSearchHash[$sHash] = 1;
 685                                                 }
 686
 687                                                 $aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
 688                                         }
 689
 690                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
 691                                         $aGroupedSearches = array();
 692                                         foreach($aNewPhraseSearches as $aSearch)
 693                                         {
 694                                                 if ($aSearch['iSearchRank'] < $iMaxRank)
 695                                                 {
 696                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 697                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 698                                                 }
 699                                         }
 700                                         ksort($aGroupedSearches);
 701
 702                                         $iSearchCount = 0;
 703                                         $aSearches = array();
 704                                         foreach($aGroupedSearches as $iScore => $aNewSearches)
 705                                         {
 706                                                 $iSearchCount += sizeof($aNewSearches);
 707                                                 $aSearches = array_merge($aSearches, $aNewSearches);
 708                                                 if ($iSearchCount > 50) break;
 709                                         }
 710
 711                                         //if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 712
 713                                 }
 714                         }
 715                         else
 716                         {
 717                                 // Re-group the searches by their score, junk anything over 20 as just not worth trying
 718                                 $aGroupedSearches = array();
 719                                 foreach($aSearches as $aSearch)
 720                                 {
 721                                         if ($aSearch['iSearchRank'] < $iMaxRank)
 722                                         {
 723                                                 if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 724                                                 $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 725                                         }
 726                                 }
 727                                 ksort($aGroupedSearches);
 728                         }
 729
 730                         if (CONST_Debug) var_Dump($aGroupedSearches);
 731
 732                         if ($bReverseInPlan)
 733                         {
 734                                 $aCopyGroupedSearches = $aGroupedSearches;
 735                                 foreach($aCopyGroupedSearches as $iGroup => $aSearches)
 736                                 {
 737                                         foreach($aSearches as $iSearch => $aSearch)
 738                                         {
 739                                                 if (sizeof($aSearch['aAddress']))
 740                                                 {
 741                                                         $iReverseItem = array_pop($aSearch['aAddress']);
 742                                                         if (isset($aPossibleMainWordIDs[$iReverseItem]))
 743                                                         {
 744                                                                 $aSearch['aAddress'] = array_merge($aSearch['aAddress'], $aSearch['aName']);
 745                                                                 $aSearch['aName'] = array($iReverseItem);
 746                                                                 $aGroupedSearches[$iGroup][] = $aSearch;
 747                                                         }
 748                                                         //$aReverseSearch['aName'][$iReverseItem] = $iReverseItem;
 749                                                         //$aGroupedSearches[$iGroup][] = $aReverseSearch;
 750                                                 }
 751                                         }
 752                                 }
 753                         }
 754
 755                         if (CONST_Search_TryDroppedAddressTerms && sizeof($aStructuredQuery) > 0)
 756                         {
 757                                 $aCopyGroupedSearches = $aGroupedSearches;
 758                                 foreach($aCopyGroupedSearches as $iGroup => $aSearches)
 759                                 {
 760                                         foreach($aSearches as $iSearch => $aSearch)
 761                                         {
 762                                                 $aReductionsList = array($aSearch['aAddress']);
 763                                                 $iSearchRank = $aSearch['iSearchRank'];
 764                                                 while(sizeof($aReductionsList) > 0)
 765                                                 {
 766                                                         $iSearchRank += 5;
 767                                                         if ($iSearchRank > iMaxRank) break 3;
 768                                                         $aNewReductionsList = array();
 769                                                         foreach($aReductionsList as $aReductionsWordList)
 770                                                         {
 771                                                                 for ($iReductionWord = 0; $iReductionWord < sizeof($aReductionsWordList); $iReductionWord++)
 772                                                                 {
 773                                                                         $aReductionsWordListResult = array_merge(array_slice($aReductionsWordList, 0, $iReductionWord), array_slice($aReductionsWordList, $iReductionWord+1));
 774                                                                         $aReverseSearch = $aSearch;
 775                                                                         $aSearch['aAddress'] = $aReductionsWordListResult;
 776                                                                         $aSearch['iSearchRank'] = $iSearchRank;
 777                                                                         $aGroupedSearches[$iSearchRank][] = $aReverseSearch;
 778                                                                         if (sizeof($aReductionsWordListResult) > 0)
 779                                                                         {
 780                                                                                 $aNewReductionsList[] = $aReductionsWordListResult;
 781                                                                         }
 782                                                                 }
 783                                                         }
 784                                                         $aReductionsList = $aNewReductionsList;
 785                                                 }
 786                                         }
 787                                 }
 788                                 ksort($aGroupedSearches);
 789                         }
 790
 791                         // Filter out duplicate searches
 792                         $aSearchHash = array();
 793                         foreach($aGroupedSearches as $iGroup => $aSearches)
 794                         {
 795                                 foreach($aSearches as $iSearch => $aSearch)
 796                                 {
 797                                         $sHash = serialize($aSearch);
 798                                         if (isset($aSearchHash[$sHash]))
 799                                         {
 800                                                 unset($aGroupedSearches[$iGroup][$iSearch]);
 801                                                 if (sizeof($aGroupedSearches[$iGroup]) == 0) unset($aGroupedSearches[$iGroup]);
 802                                         }
 803                                         else
 804                                         {
 805                                                 $aSearchHash[$sHash] = 1;
 806                                         }
 807                                 }
 808                         }
 809
 810                         if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 811
 812                         $iGroupLoop = 0;
 813                         $iQueryLoop = 0;
 814                         foreach($aGroupedSearches as $iGroupedRank => $aSearches)
 815                         {
 816                                 $iGroupLoop++;
 817                                 foreach($aSearches as $aSearch)
 818                                 {
 819                                         $iQueryLoop++;
 820
 821                                         if (CONST_Debug) { echo "<hr><b>Search Loop, group $iGroupLoop, loop $iQueryLoop</b>"; }
 822                                         if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
 823
 824
 825                                         // Must have a location term
 826                                         if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['fLon'])
 827                                         {
 828                                                 if ($aSearch['sCountryCode'] && !$aSearch['sClass'] && !$aSearch['sHouseNumber'])
 829                                                 {
 830                                                         if (4 >= $iMinAddressRank && 4 <= $iMaxAddressRank)
 831                                                         {
 832                                                                 $sSQL = "select place_id from placex where calculated_country_code='".$aSearch['sCountryCode']."' and rank_search = 4";
 833                                                                 if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
 834                                                                 $sSQL .= " order by st_area(geometry) desc limit 1";
 835                                                                 if (CONST_Debug) var_dump($sSQL);
 836                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 837                                                         }
 838                                                 }
 839                                                 else
 840                                                 {
 841                                                         if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
 842                                                         if (!$aSearch['sClass']) continue;
 843                                                         $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
 844                                                         if ($oDB->getOne($sSQL))
 845                                                         {
 846                                                                 $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
 847                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
 848                                                                 $sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid)";
 849                                                                 if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
 850                                                                 if (sizeof($aExcludePlaceIDs))
 851                                                                 {
 852                                                                         $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 853                                                                 }
 854                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
 855                                                                 $sSQL .= " limit $iLimit";
 856                                                                 if (CONST_Debug) var_dump($sSQL);
 857                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 858
 859                                                                 // If excluded place IDs are given, it is fair to assume that
 860                                                                 // there have been results in the small box, so no further
 861                                                                 // expansion in that case.
 862                                                                 if (!sizeof($aPlaceIDs) && !sizeof($aExcludePlaceIDs))
 863                                                                 {
 864                                                                         $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
 865                                                                         if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
 866                                                                         $sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid)";
 867                                                                         if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
 868                                                                         if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
 869                                                                         $sSQL .= " limit $iLimit";
 870                                                                         if (CONST_Debug) var_dump($sSQL);
 871                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 872                                                                 }
 873                                                         }
 874                                                         else
 875                                                         {
 876                                                                 $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
 877                                                                 $sSQL .= " and st_contains($sViewboxSmallSQL, geometry) and linked_place_id is null";
 878                                                                 if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
 879                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
 880                                                                 $sSQL .= " limit $iLimit";
 881                                                                 if (CONST_Debug) var_dump($sSQL);
 882                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 883                                                         }
 884                                                 }
 885                                         }
 886                                         else
 887                                         {
 888                                                 $aPlaceIDs = array();
 889
 890                                                 // First we need a position, either aName or fLat or both
 891                                                 $aTerms = array();
 892                                                 $aOrder = array();
 893
 894                                                 // TODO: filter out the pointless search terms (2 letter name tokens and less)
 895                                                 // they might be right - but they are just too darned expensive to run
 896                                                 if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";
 897                                                 if (sizeof($aSearch['aNameNonSearch'])) $aTerms[] = "array_cat(name_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aNameNonSearch'],",")."]";
 898                                                 if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress'])
 899                                                 {
 900                                                         // For infrequent name terms disable index usage for address
 901                                                         if (CONST_Search_NameOnlySearchFrequencyThreshold &&
 902                                                                         sizeof($aSearch['aName']) == 1 &&
 903                                                                         $aWordFrequencyScores[$aSearch['aName'][reset($aSearch['aName'])]] < CONST_Search_NameOnlySearchFrequencyThreshold)
 904                                                         {
 905                                                                 $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join(array_merge($aSearch['aAddress'],$aSearch['aAddressNonSearch']),",")."]";
 906                                                         }
 907                                                         else
 908                                                         {
 909                                                                 $aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'],",")."]";
 910                                                                 if (sizeof($aSearch['aAddressNonSearch'])) $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aAddressNonSearch'],",")."]";
 911                                                         }
 912                                                 }
 913                                                 if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
 914                                                 if ($aSearch['sHouseNumber']) $aTerms[] = "address_rank between 16 and 27";
 915                                                 if ($aSearch['fLon'] && $aSearch['fLat'])
 916                                                 {
 917                                                         $aTerms[] = "ST_DWithin(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326), ".$aSearch['fRadius'].")";
 918                                                         $aOrder[] = "ST_Distance(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326)) ASC";
 919                                                 }
 920                                                 if (sizeof($aExcludePlaceIDs))
 921                                                 {
 922                                                         $aTerms[] = "place_id not in (".join(',',$aExcludePlaceIDs).")";
 923                                                 }
 924                                                 if ($sCountryCodesSQL)
 925                                                 {
 926                                                         $aTerms[] = "country_code in ($sCountryCodesSQL)";
 927                                                 }
 928
 929                                                 if ($bBoundingBoxSearch) $aTerms[] = "centroid && $sViewboxSmallSQL";
 930                                                 if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc";
 931
 932                                                 $sImportanceSQL = '(case when importance = 0 OR importance IS NULL then 0.75-(search_rank::float/40) else importance end)';
 933                                                 if ($sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END";
 934                                                 if ($sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END";
 935                                                 $aOrder[] = "$sImportanceSQL DESC";
 936                                                 if (sizeof($aSearch['aFullNameAddress']))
 937                                                         $aOrder[] = '(select count(*) from (select unnest(ARRAY['.join($aSearch['aFullNameAddress'],",").']) INTERSECT select unnest(nameaddress_vector))s) DESC';
 938
 939                                                 if (sizeof($aTerms))
 940                                                 {
 941                                                         $sSQL = "select place_id";
 942                                                         $sSQL .= " from search_name";
 943                                                         $sSQL .= " where ".join(' and ',$aTerms);
 944                                                         $sSQL .= " order by ".join(', ',$aOrder);
 945                                                         if ($aSearch['sHouseNumber'] || $aSearch['sClass'])
 946                                                                 $sSQL .= " limit 50";
 947                                                         elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
 948                                                                 $sSQL .= " limit 1";
 949                                                         else
 950                                                                 $sSQL .= " limit ".$iLimit;
 951
 952                                                         if (CONST_Debug) { var_dump($sSQL); }
 953                                                         $aViewBoxPlaceIDs = $oDB->getAll($sSQL);
 954                                                         if (PEAR::IsError($aViewBoxPlaceIDs))
 955                                                         {
 956                                                                 failInternalError("Could not get places for search terms.", $sSQL, $aViewBoxPlaceIDs);
 957                                                         }
 958                                                         //var_dump($aViewBoxPlaceIDs);
 959                                                         // Did we have an viewbox matches?
 960                                                         $aPlaceIDs = array();
 961                                                         $bViewBoxMatch = false;
 962                                                         foreach($aViewBoxPlaceIDs as $aViewBoxRow)
 963                                                         {
 964                                                                 //if ($bViewBoxMatch == 1 && $aViewBoxRow['in_small'] == 'f') break;
 965                                                                 //if ($bViewBoxMatch == 2 && $aViewBoxRow['in_large'] == 'f') break;
 966                                                                 //if ($aViewBoxRow['in_small'] == 't') $bViewBoxMatch = 1;
 967                                                                 //else if ($aViewBoxRow['in_large'] == 't') $bViewBoxMatch = 2;
 968                                                                 $aPlaceIDs[] = $aViewBoxRow['place_id'];
 969                                                         }
 970                                                 }
 971                                                 //var_Dump($aPlaceIDs);
 972                                                 //exit;
 973
 974                                                 if ($aSearch['sHouseNumber'] && sizeof($aPlaceIDs))
 975                                                 {
 976                                                         $aRoadPlaceIDs = $aPlaceIDs;
 977                                                         $sPlaceIDs = join(',',$aPlaceIDs);
 978
 979                                                         // Now they are indexed look for a house attached to a street we found
 980                                                         $sHouseNumberRegex = '\\\\m'.str_replace(' ','[-,/ ]',$aSearch['sHouseNumber']).'\\\\M';
 981                                                         $sSQL = "select place_id from placex where parent_place_id in (".$sPlaceIDs.") and housenumber ~* E'".$sHouseNumberRegex."'";
 982                                                         if (sizeof($aExcludePlaceIDs))
 983                                                         {
 984                                                                 $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 985                                                         }
 986                                                         $sSQL .= " limit $iLimit";
 987                                                         if (CONST_Debug) var_dump($sSQL);
 988                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 989
 990                                                         // If not try the aux fallback table
 991                                                         if (!sizeof($aPlaceIDs))
 992                                                         {
 993                                                                 $sSQL = "select place_id from location_property_aux where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
 994                                                                 if (sizeof($aExcludePlaceIDs))
 995                                                                 {
 996                                                                         $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 997                                                                 }
 998                                                                 //$sSQL .= " limit $iLimit";
 999                                                                 if (CONST_Debug) var_dump($sSQL);
1000                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
1001                                                         }
1002
1003                                                         if (!sizeof($aPlaceIDs))
1004                                                         {
1005                                                                 $sSQL = "select place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
1006                                                                 if (sizeof($aExcludePlaceIDs))
1007                                                                 {
1008                                                                         $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
1009                                                                 }
1010                                                                 //$sSQL .= " limit $iLimit";
1011                                                                 if (CONST_Debug) var_dump($sSQL);
1012                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
1013                                                         }
1014
1015                                                         // Fallback to the road
1016                                                         if (!sizeof($aPlaceIDs) && preg_match('/[0-9]+/', $aSearch['sHouseNumber']))
1017                                                         {
1018                                                                 $aPlaceIDs = $aRoadPlaceIDs;
1019                                                         }
1020
1021                                                 }
1022
1023                                                 if ($aSearch['sClass'] && sizeof($aPlaceIDs))
1024                                                 {
1025                                                         $sPlaceIDs = join(',',$aPlaceIDs);
1026                                                         $aClassPlaceIDs = array();
1027
1028                                                         if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
1029                                                         {
1030                                                                 // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
1031                                                                 $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
1032                                                                 $sSQL .= " and linked_place_id is null";
1033                                                                 if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
1034                                                                 $sSQL .= " order by rank_search asc limit $iLimit";
1035                                                                 if (CONST_Debug) var_dump($sSQL);
1036                                                                 $aClassPlaceIDs = $oDB->getCol($sSQL);
1037                                                         }
1038
1039                                                         if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
1040                                                         {
1041                                                                 $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
1042                                                                 $bCacheTable = $oDB->getOne($sSQL);
1043
1044                                                                 $sSQL = "select min(rank_search) from placex where place_id in ($sPlaceIDs)";
1045
1046                                                                 if (CONST_Debug) var_dump($sSQL);
1047                                                                 $iMaxRank = ((int)$oDB->getOne($sSQL));
1048
1049                                                                 // For state / country level searches the normal radius search doesn't work very well
1050                                                                 $sPlaceGeom = false;
1051                                                                 if ($iMaxRank < 9 && $bCacheTable)
1052                                                                 {
1053                                                                         // Try and get a polygon to search in instead
1054                                                                         $sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
1055                                                                         if (CONST_Debug) var_dump($sSQL);
1056                                                                         $sPlaceGeom = $oDB->getOne($sSQL);
1057                                                                 }
1058
1059                                                                 if ($sPlaceGeom)
1060                                                                 {
1061                                                                         $sPlaceIDs = false;
1062                                                                 }
1063                                                                 else
1064                                                                 {
1065                                                                         $iMaxRank += 5;
1066                                                                         $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
1067                                                                         if (CONST_Debug) var_dump($sSQL);
1068                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
1069                                                                         $sPlaceIDs = join(',',$aPlaceIDs);
1070                                                                 }
1071
1072                                                                 if ($sPlaceIDs || $sPlaceGeom)
1073                                                                 {
1074
1075                                                                         $fRange = 0.01;
1076                                                                         if ($bCacheTable)
1077                                                                         {
1078                                                                                 // More efficient - can make the range bigger
1079                                                                                 $fRange = 0.05;
1080
1081                                                                                 $sOrderBySQL = '';
1082                                                                                 if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.centroid)";
1083                                                                                 else if ($sPlaceIDs) $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
1084                                                                                 else if ($sPlaceGeom) $sOrderBysSQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
1085
1086                                                                                 $sSQL = "select distinct l.place_id".($sOrderBySQL?','.$sOrderBySQL:'')." from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";
1087                                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";
1088                                                                                 if ($sPlaceIDs)
1089                                                                                 {
1090                                                                                         $sSQL .= ",placex as f where ";
1091                                                                                         $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, f.centroid, $fRange) ";
1092                                                                                 }
1093                                                                                 if ($sPlaceGeom)
1094                                                                                 {
1095                                                                                         $sSQL .= " where ";
1096                                                                                         $sSQL .= "ST_Contains('".$sPlaceGeom."', l.centroid) ";
1097                                                                                 }
1098                                                                                 if (sizeof($aExcludePlaceIDs))
1099                                                                                 {
1100                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
1101                                                                                 }
1102                                                                                 if ($sCountryCodesSQL) $sSQL .= " and lp.calculated_country_code in ($sCountryCodesSQL)";
1103                                                                                 if ($sOrderBySQL) $sSQL .= "order by ".$sOrderBySQL." asc";
1104                                                                                 if ($iOffset) $sSQL .= " offset $iOffset";
1105                                                                                 $sSQL .= " limit $iLimit";
1106                                                                                 if (CONST_Debug) var_dump($sSQL);
1107                                                                                 $aClassPlaceIDs = array_merge($aClassPlaceIDs, $oDB->getCol($sSQL));
1108                                                                         }
1109                                                                         else
1110                                                                         {
1111                                                                                 if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];
1112
1113                                                                                 $sOrderBySQL = '';
1114                                                                                 if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.geometry)";
1115                                                                                 else $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
1116
1117                                                                                 $sSQL = "select distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'')." from placex as l,placex as f where ";
1118                                                                                 $sSQL .= "f.place_id in ( $sPlaceIDs) and ST_DWithin(l.geometry, f.centroid, $fRange) ";
1119                                                                                 $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
1120                                                                                 if (sizeof($aExcludePlaceIDs))
1121                                                                                 {
1122                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
1123                                                                                 }
1124                                                                                 if ($sCountryCodesSQL) $sSQL .= " and l.calculated_country_code in ($sCountryCodesSQL)";
1125                                                                                 if ($sOrderBy) $sSQL .= "order by ".$OrderBysSQL." asc";
1126                                                                                 if ($iOffset) $sSQL .= " offset $iOffset";
1127                                                                                 $sSQL .= " limit $iLimit";
1128                                                                                 if (CONST_Debug) var_dump($sSQL);
1129                                                                                 $aClassPlaceIDs = array_merge($aClassPlaceIDs, $oDB->getCol($sSQL));
1130                                                                         }
1131                                                                 }
1132                                                         }
1133
1134                                                         $aPlaceIDs = $aClassPlaceIDs;
1135
1136                                                 }
1137
1138                                         }
1139
1140                                         if (PEAR::IsError($aPlaceIDs))
1141                                         {
1142                                                 failInternalError("Could not get place IDs from tokens." ,$sSQL, $aPlaceIDs);
1143                                         }
1144
1145                                         if (CONST_Debug) { echo "<br><b>Place IDs:</b> "; var_Dump($aPlaceIDs); }
1146
1147                                         foreach($aPlaceIDs as $iPlaceID)
1148                                         {
1149                                                 $aResultPlaceIDs[$iPlaceID] = $iPlaceID;
1150                                         }
1151                                         if ($iQueryLoop > 20) break;
1152                                 }
1153
1154                                 //exit;
1155                                 if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs)) break;
1156                                 if ($iGroupLoop > 4) break;
1157                                 if ($iQueryLoop > 30) break;
1158                         }
1159
1160                         // Did we find anything?
1161                         if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs))
1162                         {
1163                                 //var_Dump($aResultPlaceIDs);exit;
1164                                 // Get the details for display (is this a redundant extra step?)
1165                                 $sPlaceIDs = join(',',$aResultPlaceIDs);
1166                                 $sOrderSQL = 'CASE ';
1167                                 foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
1168                                 {
1169                                         $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
1170                                 }
1171                                 $sOrderSQL .= ' ELSE 10000000 END';
1172                                 $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,calculated_country_code as country_code,";
1173                                 $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1174                                 $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
1175                                 $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
1176                                 $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1177                                 //$sSQL .= $sOrderSQL." as porder, ";
1178                                 $sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance, ";
1179                                 $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(placex.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
1180                                 $sSQL .= "(extratags->'place') as extra_place ";
1181                                 $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
1182                                 $sSQL .= "and (placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
1183                                 if (14 >= $iMinAddressRank && 14 <= $iMaxAddressRank) $sSQL .= " OR (extratags->'place') = 'city'";
1184                                 $sSQL .= ") ";
1185                                 if ($sAllowedTypesSQLList) $sSQL .= "and placex.class in $sAllowedTypesSQLList ";
1186                                 $sSQL .= "and linked_place_id is null ";
1187                                 $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,calculated_country_code,importance";
1188                                 if (!$bDeDupe) $sSQL .= ",place_id";
1189                                 $sSQL .= ",langaddress ";
1190                                 $sSQL .= ",placename ";
1191                                 $sSQL .= ",ref ";
1192                                 $sSQL .= ",extratags->'place' ";
1193                                 $sSQL .= " union ";
1194                                 $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,";
1195                                 $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1196                                 $sSQL .= "null as placename,";
1197                                 $sSQL .= "null as ref,";
1198                                 $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1199                                 //$sSQL .= $sOrderSQL." as porder, ";
1200                                 $sSQL .= "-0.15 as importance, ";
1201                                 $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_tiger.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
1202                                 $sSQL .= "null as extra_place ";
1203                                 $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
1204                                 $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1205                                 $sSQL .= "group by place_id";
1206                                 if (!$bDeDupe) $sSQL .= ",place_id";
1207                                 $sSQL .= " union ";
1208                                 $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,";
1209                                 $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1210                                 $sSQL .= "null as placename,";
1211                                 $sSQL .= "null as ref,";
1212                                 $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1213                                 //$sSQL .= $sOrderSQL." as porder, ";
1214                                 $sSQL .= "-0.10 as importance, ";
1215                                 $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_aux.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
1216                                 $sSQL .= "null as extra_place ";
1217                                 $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
1218                                 $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1219                                 $sSQL .= "group by place_id";
1220                                 if (!$bDeDupe) $sSQL .= ",place_id";
1221                                 $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1222                                 $sSQL .= "order by importance desc";
1223                                 //$sSQL .= "order by rank_search,rank_address,porder asc";
1224                                 if (CONST_Debug) { echo "<hr>"; var_dump($sSQL); }
1225                                 $aSearchResults = $oDB->getAll($sSQL);
1226                                 //var_dump($sSQL,$aSearchResults);exit;
1227
1228                                 if (PEAR::IsError($aSearchResults))
1229                                 {
1230                                         failInternalError("Could not get details for place.", $sSQL, $aSearchResults);
1231                                 }
1232                         }
1233                 } // end if ($sQuery)
1234                 else
1235                 {
1236                         if (isset($_GET['nearlat']) && trim($_GET['nearlat'])!=='' && isset($_GET['nearlon']) && trim($_GET['nearlon']) !== '')
1237                         {
1238                                 $iPlaceID = geocodeReverse((float)$_GET['nearlat'], (float)$_GET['nearlon']);
1239
1240                                 if ($iPlaceID)
1241                                 {
1242                                         $aResultPlaceIDs = array($iPlaceID);
1243                                         // TODO: this needs refactoring!
1244
1245                                         // Get the details for display (is this a redundant extra step?)
1246                                         $sPlaceIDs = join(',',$aResultPlaceIDs);
1247                                         $sOrderSQL = 'CASE ';
1248                                         foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
1249                                         {
1250                                                 $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
1251                                         }
1252                                         $sOrderSQL .= ' ELSE 10000000 END';
1253                                         $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,calculated_country_code as country_code,";
1254                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1255                                         $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
1256                                         $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
1257                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1258                                         //$sSQL .= $sOrderSQL." as porder, ";
1259                                         $sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance, ";
1260                                         $sSQL .= "(extratags->'place') as extra_place ";
1261                                         $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
1262                                         $sSQL .= "and (placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
1263                                         if (14 >= $iMinAddressRank && 14 <= $iMaxAddressRank) $sSQL .= " OR (extratags->'place') = 'city'";
1264                                         $sSQL .= ") ";
1265                                         $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,calculated_country_code,importance";
1266                                         if (!$bDeDupe) $sSQL .= ",place_id";
1267                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1268                                         $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
1269                                         $sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
1270                                         $sSQL .= ",extratags->'place' ";
1271                                         $sSQL .= " union ";
1272                                         $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,";
1273                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1274                                         $sSQL .= "null as placename,";
1275                                         $sSQL .= "null as ref,";
1276                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1277                                         //$sSQL .= $sOrderSQL." as porder, ";
1278                                         $sSQL .= "-0.15 as importance, ";
1279                                         $sSQL .= "null as extra_place ";
1280                                         $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
1281                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1282                                         $sSQL .= "group by place_id";
1283                                         if (!$bDeDupe) $sSQL .= ",place_id";
1284                                         $sSQL .= " union ";
1285                                         $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,";
1286                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1287                                         $sSQL .= "null as placename,";
1288                                         $sSQL .= "null as ref,";
1289                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1290                                         //$sSQL .= $sOrderSQL." as porder, ";
1291                                         $sSQL .= "-0.10 as importance, ";
1292                                         $sSQL .= "null as extra_place ";
1293                                         $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
1294                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1295                                         $sSQL .= "group by place_id";
1296                                         if (!$bDeDupe) $sSQL .= ",place_id";
1297                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1298                                         $sSQL .= "order by importance desc";
1299                                         //$sSQL .= "order by rank_search,rank_address,porder asc";
1300                                         if (CONST_Debug) { echo "<hr>", var_dump($sSQL); }
1301                                         $aSearchResults = $oDB->getAll($sSQL);
1302                                         //var_dump($sSQL,$aSearchResults);exit;
1303
1304                                         if (PEAR::IsError($aSearchResults))
1305                                         {
1306                                                 failInternalError("Could not get details for place (near).", $sSQL, $aSearchResults);
1307                                         }
1308                                 }
1309                                 else
1310                                 {
1311                                         $aSearchResults = array();
1312                                 }
1313                         }
1314                 }
1315         }
1316
1317         $sSearchResult = '';
1318         if (!sizeof($aSearchResults) && isset($_GET['q']) && $_GET['q'])
1319         {
1320                 $sSearchResult = 'No Results Found';
1321         }
1322         //var_Dump($aSearchResults);
1323         //exit;
1324         $aClassType = getClassTypesWithImportance();
1325         $aRecheckWords = preg_split('/\b/u',$sQuery);
1326         foreach($aRecheckWords as $i => $sWord)
1327         {
1328                 if (!$sWord) unset($aRecheckWords[$i]);
1329         }
1330         foreach($aSearchResults as $iResNum => $aResult)
1331         {
1332                 if (CONST_Search_AreaPolygons)
1333                 {
1334                         // Get the bounding box and outline polygon
1335                         $sSQL = "select place_id,numfeatures,area,outline,";
1336                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),2)) as maxlat,";
1337                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),3)) as maxlon,";
1338                         $sSQL .= "ST_AsText(outline) as outlinestring from get_place_boundingbox_quick(".$aResult['place_id'].")";
1339
1340                         $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
1341                         $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
1342                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),2)) as maxlat,";
1343                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon";
1344                         if ($bAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
1345                         if ($bAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
1346                         if ($bAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
1347                         if ($bAsText || $bShowPolygons) $sSQL .= ",ST_AsText(geometry) as astext";
1348                         $sSQL .= " from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
1349                         $aPointPolygon = $oDB->getRow($sSQL);
1350                         if (PEAR::IsError($aPointPolygon))
1351                         {
1352                                 failInternalError("Could not get outline.", $sSQL, $aPointPolygon);
1353                         }
1354                         if ($aPointPolygon['place_id'])
1355                         {
1356                                 if ($bAsGeoJSON) $aResult['asgeojson'] = $aPointPolygon['asgeojson'];
1357                                 if ($bAsKML) $aResult['askml'] = $aPointPolygon['askml'];
1358                                 if ($bAsSVG) $aResult['assvg'] = $aPointPolygon['assvg'];
1359                                 if ($bAsText) $aResult['astext'] = $aPointPolygon['astext'];
1360
1361                                 if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null )
1362                                 {
1363                                         $aResult['lat'] = $aPointPolygon['centrelat'];
1364                                         $aResult['lon'] = $aPointPolygon['centrelon'];
1365                                 }
1366                                 if ($bShowPolygons)
1367                                 {
1368                                         // Translate geometary string to point array
1369                                         if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
1370                                         {
1371                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1372                                         }
1373                                         elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
1374                                         {
1375                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1376                                         }
1377                                         elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['astext'],$aMatch))
1378                                         {
1379                                                 $fRadius = 0.01;
1380                                                 $iSteps = ($fRadius * 40000)^2;
1381                                                 $fStepSize = (2*pi())/$iSteps;
1382                                                 $aPolyPoints = array();
1383                                                 for($f = 0; $f < 2*pi(); $f += $fStepSize)
1384                                                 {
1385                                                         $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
1386                                                 }
1387                                                 $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
1388                                                 $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
1389                                                 $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
1390                                                 $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
1391                                         }
1392                                 }
1393
1394                                 // Output data suitable for display (points and a bounding box)
1395                                 if ($bShowPolygons && isset($aPolyPoints))
1396                                 {
1397                                         $aResult['aPolyPoints'] = array();
1398                                         foreach($aPolyPoints as $aPoint)
1399                                         {
1400                                                 $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1401                                         }
1402                                 }
1403                                 $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1404                         }
1405                 }
1406
1407                 if ($aResult['extra_place'] == 'city')
1408                 {
1409                         $aResult['class'] = 'place';
1410                         $aResult['type'] = 'city';
1411                         $aResult['rank_search'] = 16;
1412                 }
1413
1414                 if (!isset($aResult['aBoundingBox']))
1415                 {
1416                         // Default
1417                         $fDiameter = 0.0001;
1418
1419                         if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1420                                         && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1421                         {
1422                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defzoom'];
1423                         }
1424                         elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1425                                         && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1426                         {
1427                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
1428                         }
1429                         $fRadius = $fDiameter / 2;
1430
1431                         $iSteps = max(8,min(100,$fRadius * 3.14 * 100000));
1432                         $fStepSize = (2*pi())/$iSteps;
1433                         $aPolyPoints = array();
1434                         for($f = 0; $f < 2*pi(); $f += $fStepSize)
1435                         {
1436                                 $aPolyPoints[] = array('',$aResult['lon']+($fRadius*sin($f)),$aResult['lat']+($fRadius*cos($f)));
1437                         }
1438                         $aPointPolygon['minlat'] = $aResult['lat'] - $fRadius;
1439                         $aPointPolygon['maxlat'] = $aResult['lat'] + $fRadius;
1440                         $aPointPolygon['minlon'] = $aResult['lon'] - $fRadius;
1441                         $aPointPolygon['maxlon'] = $aResult['lon'] + $fRadius;
1442
1443                         // Output data suitable for display (points and a bounding box)
1444                         if ($bShowPolygons)
1445                         {
1446                                 $aResult['aPolyPoints'] = array();
1447                                 foreach($aPolyPoints as $aPoint)
1448                                 {
1449                                         $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1450                                 }
1451                         }
1452                         $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1453                 }
1454
1455                 // Is there an icon set for this type of result?
1456                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1457                                 && $aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1458                 {
1459                         $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
1460                 }
1461
1462                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1463                                 && $aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1464                 {
1465                         $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type']]['label'];
1466                 }
1467
1468                 if ($bShowAddressDetails)
1469                 {
1470                         $aResult['address'] = getAddressDetails($oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code']);
1471                         if ($aResult['extra_place'] == 'city' && !isset($aResult['address']['city']))
1472                         {
1473                                 $aResult['address'] = array_merge(array('city' => array_shift(array_values($aResult['address']))), $aResult['address']);
1474                         }
1475
1476                         //var_dump($aResult['address']);
1477                         //exit;
1478                 }
1479
1480                 // Adjust importance for the number of exact string matches in the result
1481                 $aResult['importance'] = max(0.001,$aResult['importance']);
1482                 $iCountWords = 0;
1483                 $sAddress = $aResult['langaddress'];
1484                 foreach($aRecheckWords as $i => $sWord)
1485                 {
1486                         if (stripos($sAddress, $sWord)!==false) $iCountWords++;
1487                 }
1488
1489                 $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
1490
1491                 //if (CONST_Debug) var_dump($aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']);
1492                 /*
1493                    if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
1494                    && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
1495                    {
1496                    $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'];
1497                    }
1498                    elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
1499                    && $aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
1500                    {
1501                    $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
1502                    }
1503                    else
1504                    {
1505                    $aResult['importance'] = 1000000000000000;
1506                    }
1507                  */
1508                 $aResult['name'] = $aResult['langaddress'];
1509                 $aResult['foundorder'] = -$aResult['addressimportance'];
1510                 $aSearchResults[$iResNum] = $aResult;
1511         }
1512         uasort($aSearchResults, 'byImportance');
1513
1514         $aOSMIDDone = array();
1515         $aClassTypeNameDone = array();
1516         $aToFilter = $aSearchResults;
1517         $aSearchResults = array();
1518
1519         $bFirst = true;
1520         foreach($aToFilter as $iResNum => $aResult)
1521         {
1522                 if ($aResult['type'] == 'adminitrative') $aResult['type'] = 'administrative';
1523                 $aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
1524                 if ($bFirst)
1525                 {
1526                         $fLat = $aResult['lat'];
1527                         $fLon = $aResult['lon'];
1528                         if (isset($aResult['zoom'])) $iZoom = $aResult['zoom'];
1529                         $bFirst = false;
1530                 }
1531                 if (!$bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
1532                                         && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']])))
1533                 {
1534                         $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
1535                         $aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']] = true;
1536                         $aSearchResults[] = $aResult;
1537                 }
1538
1539                 // Absolute limit on number of results
1540                 if (sizeof($aSearchResults) >= $iFinalLimit) break;
1541         }
1542
1543         $sDataDate = $oDB->getOne("select TO_CHAR(lastimportdate - '2 minutes'::interval,'YYYY/MM/DD HH24:MI')||' GMT' from import_status limit 1");
1544
1545         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
1546         {
1547                 $sQuery .= ' ['.$_GET['nearlat'].','.$_GET['nearlon'].']';
1548         }
1549
1550         if ($sQuery)
1551         {
1552                 logEnd($oDB, $hLog, sizeof($aToFilter));
1553         }
1554         $sMoreURL = CONST_Website_BaseURL.'search?format='.urlencode($sOutputFormat).'&exclude_place_ids='.join(',',$aExcludePlaceIDs);
1555         if (isset($_SERVER["HTTP_ACCEPT_LANGUAGE"])) $sMoreURL .= '&accept-language='.$_SERVER["HTTP_ACCEPT_LANGUAGE"];
1556         if ($bShowPolygons) $sMoreURL .= '&polygon=1';
1557         if ($bShowAddressDetails) $sMoreURL .= '&addressdetails=1';
1558         if (isset($_GET['viewbox']) && $_GET['viewbox']) $sMoreURL .= '&viewbox='.urlencode($_GET['viewbox']);
1559         if (isset($_GET['nearlat']) && isset($_GET['nearlon'])) $sMoreURL .= '&nearlat='.(float)$_GET['nearlat'].'&nearlon='.(float)$_GET['nearlon'];
1560         $sMoreURL .= '&q='.urlencode($sQuery);
1561
1562         if (CONST_Debug) exit;
1563
1564         include(CONST_BasePath.'/lib/template/search-'.$sOutputFormat.'.php');