lib/Geocode.php

   1 <?php
   2         class Geocode
   3         {
   4                 protected $oDB;
   5
   6                 protected $aLangPrefOrder = array();
   7
   8                 protected $bIncludeAddressDetails = false;
   9
  10                 protected $bIncludePolygonAsPoints = false;
  11                 protected $bIncludePolygonAsText = false;
  12                 protected $bIncludePolygonAsGeoJSON = false;
  13                 protected $bIncludePolygonAsKML = false;
  14                 protected $bIncludePolygonAsSVG = false;
  15
  16                 protected $aExcludePlaceIDs = array();
  17                 protected $bDeDupe = true;
  18                 protected $bReverseInPlan = true;
  19
  20                 protected $iLimit = 20;
  21                 protected $iFinalLimit = 10;
  22                 protected $iOffset = 0;
  23
  24                 protected $aCountryCodes = false;
  25                 protected $aNearPoint = false;
  26
  27                 protected $bBoundedSearch = false;
  28                 protected $aViewBox = false;
  29                 protected $aRoutePoints = false;
  30
  31                 protected $iMaxRank = 20;
  32                 protected $iMinAddressRank = 0;
  33                 protected $iMaxAddressRank = 30;
  34                 protected $aAddressRankList = array();
  35
  36                 protected $sAllowedTypesSQLList = false;
  37
  38                 protected $sQuery = false;
  39                 protected $aStructuredQuery = false;
  40
  41                 function Geocode(&$oDB)
  42                 {
  43                         $this->oDB =& $oDB;
  44                 }
  45
  46                 function setLanguagePreference($aLangPref)
  47                 {
  48                         $this->aLangPrefOrder = $aLangPref;
  49                 }
  50
  51                 function setIncludeAddressDetails($bAddressDetails = true)
  52                 {
  53                         $this->bIncludeAddressDetails = (bool)$bAddressDetails;
  54                 }
  55
  56                 function getIncludeAddressDetails()
  57                 {
  58                         return $this->bIncludeAddressDetails;
  59                 }
  60
  61                 function setIncludePolygonAsPoints($b = true)
  62                 {
  63                         $this->bIncludePolygonAsPoints = $b;
  64                 }
  65
  66                 function getIncludePolygonAsPoints()
  67                 {
  68                         return $this->bIncludePolygonAsPoints;
  69                 }
  70
  71                 function setIncludePolygonAsText($b = true)
  72                 {
  73                         $this->bIncludePolygonAsText = $b;
  74                 }
  75
  76                 function getIncludePolygonAsText()
  77                 {
  78                         return $this->bIncludePolygonAsText;
  79                 }
  80
  81                 function setIncludePolygonAsGeoJSON($b = true)
  82                 {
  83                         $this->bIncludePolygonAsGeoJSON = $b;
  84                 }
  85
  86                 function setIncludePolygonAsKML($b = true)
  87                 {
  88                         $this->bIncludePolygonAsKML = $b;
  89                 }
  90
  91                 function setIncludePolygonAsSVG($b = true)
  92                 {
  93                         $this->bIncludePolygonAsSVG = $b;
  94                 }
  95
  96                 function setDeDupe($bDeDupe = true)
  97                 {
  98                         $this->bDeDupe = (bool)$bDeDupe;
  99                 }
 100
 101                 function setLimit($iLimit = 10)
 102                 {
 103                         if ($iLimit > 50) $iLimit = 50;
 104                         if ($iLimit < 1) $iLimit = 1;
 105
 106                         $this->iFinalLimit = $iLimit;
 107                         $this->iLimit = $this->iFinalLimit + min($this->iFinalLimit, 10);
 108                 }
 109
 110                 function setOffset($iOffset = 0)
 111                 {
 112                         $this->iOffset = $iOffset;
 113                 }
 114
 115                 function setExcludedPlaceIDs($a)
 116                 {
 117                         // TODO: force to int
 118                         $this->aExcludePlaceIDs = $a;
 119                 }
 120
 121                 function getExcludedPlaceIDs()
 122                 {
 123                         return $this->aExcludePlaceIDs;
 124                 }
 125
 126                 function setBounded($bBoundedSearch = true)
 127                 {
 128                         $this->bBoundedSearch = (bool)$bBoundedSearch;
 129                 }
 130
 131                 function setViewBox($fLeft, $fBottom, $fRight, $fTop)
 132                 {
 133                         $this->aViewBox = array($fLeft, $fBottom, $fRight, $fTop);
 134                 }
 135
 136                 function getViewBoxString()
 137                 {
 138                         if (!$this->aViewBox) return null;
 139                         return $this->aViewBox[0].','.$this->aViewBox[3].','.$this->aViewBox[2].','.$this->aViewBox[1];
 140                 }
 141
 142                 function setRoute($aRoutePoints)
 143                 {
 144                         $this->aRoutePoints = $aRoutePoints;
 145                 }
 146
 147                 function setFeatureType($sFeatureType)
 148                 {
 149                         switch($sFeatureType)
 150                         {
 151                         case 'country':
 152                                 $this->setRankRange(4, 4);
 153                                 break;
 154                         case 'state':
 155                                 $this->setRankRange(8, 8);
 156                                 break;
 157                         case 'city':
 158                                 $this->setRankRange(14, 16);
 159                                 break;
 160                         case 'settlement':
 161                                 $this->setRankRange(8, 20);
 162                                 break;
 163                         }
 164                 }
 165
 166                 function setRankRange($iMin, $iMax)
 167                 {
 168                         $this->iMinAddressRank = (int)$iMin;
 169                         $this->iMaxAddressRank = (int)$iMax;
 170                 }
 171
 172                 function setNearPoint($aNearPoint, $fRadiusDeg = 0.1)
 173                 {
 174                         $this->aNearPoint = array((float)$aNearPoint[0], (float)$aNearPoint[1], (float)$fRadiusDeg);
 175                 }
 176
 177                 function setCountryCodesList($aCountryCodes)
 178                 {
 179                         $this->aCountryCodes = $aCountryCodes;
 180                 }
 181
 182                 function setQuery($sQueryString)
 183                 {
 184                         $this->sQuery = $sQueryString;
 185                         $this->aStructuredQuery = false;
 186                 }
 187
 188                 function getQueryString()
 189                 {
 190                         return $this->sQuery;
 191                 }
 192
 193                 function setStructuredQuery($sAmentiy = false, $sStreet = false, $sCity = false, $sCounty = false, $sState = false, $sCountry = false, $sPostalCode = false)
 194                 {
 195                         $this->sQuery = false;
 196
 197                         $this->aStructuredQuery = array();
 198                         $this->sAllowedTypesSQLList = '';
 199
 200                         loadStructuredAddressElement($this->aStructuredQuery, $this->iMinAddressRank, $this->iMaxAddressRank, $this->aAddressRankList, $sAmentiy, 'amenity', 26, 30, false);
 201                         loadStructuredAddressElement($this->aStructuredQuery, $this->iMinAddressRank, $this->iMaxAddressRank, $this->aAddressRankList, $sStreet, 'street', 26, 30, false);
 202                         loadStructuredAddressElement($this->aStructuredQuery, $this->iMinAddressRank, $this->iMaxAddressRank, $this->aAddressRankList, $sCity, 'city', 14, 24, false);
 203                         loadStructuredAddressElement($this->aStructuredQuery, $this->iMinAddressRank, $this->iMaxAddressRank, $this->aAddressRankList, $sCounty, 'county', 9, 13, false);
 204                         loadStructuredAddressElement($this->aStructuredQuery, $this->iMinAddressRank, $this->iMaxAddressRank, $this->aAddressRankList, $sState, 'state', 8, 8, false);
 205                         loadStructuredAddressElement($this->aStructuredQuery, $this->iMinAddressRank, $this->iMaxAddressRank, $this->aAddressRankList, $sCountry, 'country', 4, 4, false);
 206                         loadStructuredAddressElement($this->aStructuredQuery, $this->iMinAddressRank, $this->iMaxAddressRank, $this->aAddressRankList, $sPostalCode, 'postalcode' , 5, 11, array(5, 11));
 207
 208                         if (sizeof($this->aStructuredQuery) > 0)
 209                         {
 210                                 $this->sQuery = join(', ', $this->aStructuredQuery);
 211                                 if ($this->iMaxAddressRank < 30)
 212                                 {
 213                                         $sAllowedTypesSQLList = '(\'place\',\'boundary\')';
 214                                 }
 215                         }
 216
 217                 }
 218
 219                 function getDetails($aPlaceIDs, $iMinAddressRank = 0, $iMaxAddressRank = 30, $aAddressRankList = false, $sAllowedTypesSQLList = false, $bDeDupe = false)
 220                 {
 221                         if (sizeof($aPlaceIDs) == 0)  return array();
 222
 223                         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$this->aLangPrefOrder))."]";
 224
 225                         // Get the details for display (is this a redundant extra step?)
 226                         $sPlaceIDs = join(',',$aPlaceIDs);
 227
 228                         $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,";
 229                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
 230                         $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
 231                         $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
 232                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
 233                         $sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance, ";
 234                         $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, ";
 235                         $sSQL .= "(extratags->'place') as extra_place ";
 236                         $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
 237                         $sSQL .= "and (placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
 238                         if (14 >= $iMinAddressRank && 14 <= $iMaxAddressRank) $sSQL .= " OR (extratags->'place') = 'city'";
 239                         if ($aAddressRankList) $sSQL .= " OR placex.rank_address in (".join(',',$aAddressRankList).")";
 240                         $sSQL .= ") ";
 241                         if ($sAllowedTypesSQLList) $sSQL .= "and placex.class in $sAllowedTypesSQLList ";
 242                         $sSQL .= "and linked_place_id is null ";
 243                         $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,calculated_country_code,importance";
 244                         if (!$bDeDupe) $sSQL .= ",place_id";
 245                         $sSQL .= ",langaddress ";
 246                         $sSQL .= ",placename ";
 247                         $sSQL .= ",ref ";
 248                         $sSQL .= ",extratags->'place' ";
 249
 250                         if (30 >= $iMinAddressRank && 30 <= $iMaxAddressRank)
 251                         {
 252                                 $sSQL .= " union ";
 253                                 $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,";
 254                                 $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
 255                                 $sSQL .= "null as placename,";
 256                                 $sSQL .= "null as ref,";
 257                                 $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
 258                                 $sSQL .= "-0.15 as importance, ";
 259                                 $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, ";
 260                                 $sSQL .= "null as extra_place ";
 261                                 $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
 262                                 $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
 263                                 $sSQL .= "group by place_id";
 264                                 if (!$bDeDupe) $sSQL .= ",place_id";
 265                                 $sSQL .= " union ";
 266                                 $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,";
 267                                 $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
 268                                 $sSQL .= "null as placename,";
 269                                 $sSQL .= "null as ref,";
 270                                 $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
 271                                 $sSQL .= "-0.10 as importance, ";
 272                                 $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, ";
 273                                 $sSQL .= "null as extra_place ";
 274                                 $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
 275                                 $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
 276                                 $sSQL .= "group by place_id";
 277                                 if (!$bDeDupe) $sSQL .= ",place_id";
 278                                 $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
 279                         }
 280
 281                         $sSQL .= "order by importance desc";
 282                         if (CONST_Debug) { echo "<hr>"; var_dump($sSQL); }
 283                         $aSearchResults = $this->oDB->getAll($sSQL);
 284
 285                         if (PEAR::IsError($aSearchResults))
 286                         {
 287                                 failInternalError("Could not get details for place.", $sSQL, $aSearchResults);
 288                         }
 289
 290                         return $aSearchResults;
 291                 }
 292
 293                 function lookup()
 294                 {
 295                         if (!$this->sQuery && !$this->aStructuredQuery) return false;
 296
 297                         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$this->aLangPrefOrder))."]";
 298
 299                         $sCountryCodesSQL = false;
 300                         if ($this->aCountryCodes && sizeof($this->aCountryCodes))
 301                         {
 302                                 $sCountryCodesSQL = join(',', array_map('addQuotes', $this->aCountryCodes));
 303                         }
 304
 305                         // Hack to make it handle "new york, ny" (and variants) correctly
 306                         $sQuery = str_ireplace(array('New York, ny','new york, new york', 'New York ny','new york new york'), 'new york city, ny', $this->sQuery);
 307
 308                         // Conflicts between US state abreviations and various words for 'the' in different languages
 309                         if (isset($this->aLangPrefOrder['name:en']))
 310                         {
 311                                 $sQuery = preg_replace('/,\s*il\s*(,|$)/',', illinois\1', $sQuery);
 312                                 $sQuery = preg_replace('/,\s*al\s*(,|$)/',', alabama\1', $sQuery);
 313                                 $sQuery = preg_replace('/,\s*la\s*(,|$)/',', louisiana\1', $sQuery);
 314                         }
 315
 316                         // View Box SQL
 317                         $sViewboxCentreSQL = $sViewboxSmallSQL = $sViewboxLargeSQL = false;
 318                         $bBoundingBoxSearch = false;
 319                         if ($this->aViewBox)
 320                         {
 321                                 $fHeight = $this->aViewBox[0]-$this->aViewBox[2];
 322                                 $fWidth = $this->aViewBox[1]-$this->aViewBox[3];
 323                                 $aBigViewBox[0] = $this->aViewBox[0] + $fHeight;
 324                                 $aBigViewBox[2] = $this->aViewBox[2] - $fHeight;
 325                                 $aBigViewBox[1] = $this->aViewBox[1] + $fWidth;
 326                                 $aBigViewBox[3] = $this->aViewBox[3] - $fWidth;
 327
 328                                 $sViewboxSmallSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$this->aViewBox[0].",".(float)$this->aViewBox[1]."),ST_Point(".(float)$this->aViewBox[2].",".(float)$this->aViewBox[3].")),4326)";
 329                                 $sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aBigViewBox[0].",".(float)$aBigViewBox[1]."),ST_Point(".(float)$aBigViewBox[2].",".(float)$aBigViewBox[3].")),4326)";
 330                                 $bBoundingBoxSearch = $this->bBoundedSearch;
 331                         }
 332
 333                         // Route SQL
 334                         if ($this->aRoutePoints)
 335                         {
 336                                 $sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
 337                                 $bFirst = false;
 338                                 foreach($this->aRouteaPoints as $aPoint)
 339                                 {
 340                                         if (!$bFirst) $sViewboxCentreSQL .= ",";
 341                                         $sViewboxCentreSQL .= $aPoint[1].' '.$aPoint[0];
 342                                 }
 343                                 $sViewboxCentreSQL .= ")'::geometry,4326)";
 344
 345                                 $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/69).")";
 346                                 $sViewboxSmallSQL = $this->oDB->getOne($sSQL);
 347                                 if (PEAR::isError($sViewboxSmallSQL))
 348                                 {
 349                                         failInternalError("Could not get small viewbox.", $sSQL, $sViewboxSmallSQL);
 350                                 }
 351                                 $sViewboxSmallSQL = "'".$sViewboxSmallSQL."'::geometry";
 352
 353                                 $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/30).")";
 354                                 $sViewboxLargeSQL = $this->oDB->getOne($sSQL);
 355                                 if (PEAR::isError($sViewboxLargeSQL))
 356                                 {
 357                                         failInternalError("Could not get large viewbox.", $sSQL, $sViewboxLargeSQL);
 358                                 }
 359                                 $sViewboxLargeSQL = "'".$sViewboxLargeSQL."'::geometry";
 360                                 $bBoundingBoxSearch = $this->bBoundedSearch;
 361                         }
 362
 363                         // Do we have anything that looks like a lat/lon pair?
 364                         if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[ ]+([0-9.]+)?[, ]+([EW])[ ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?\\b/', $sQuery, $aData))
 365                         {
 366                                 $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
 367                                 $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
 368                                 if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 369                                 {
 370                                         $this->setNearPoint(array($fQueryLat, $fQueryLon));
 371                                         $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 372                                 }
 373                         }
 374                         elseif (preg_match('/\\b([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([NS])[, ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([EW])\\b/', $sQuery, $aData))
 375                         {
 376                                 $fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
 377                                 $fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
 378                                 if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 379                                 {
 380                                         $this->setNearPoint(array($fQueryLat, $fQueryLon));
 381                                         $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 382                                 }
 383                         }
 384                         elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9]*\\.[0-9]+)[, ]+(-?[0-9]+[0-9]*\\.[0-9]+)(\\]|$|\\b)/', $sQuery, $aData))
 385                         {
 386                                 $fQueryLat = $aData[2];
 387                                 $fQueryLon = $aData[3];
 388                                 if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 389                                 {
 390                                         $this->setNearPoint(array($fQueryLat, $fQueryLon));
 391                                         $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 392                                 }
 393                         }
 394
 395                         $aSearchResults = array();
 396                         if ($sQuery || $this->aStructuredQuery)
 397                         {
 398                                 // Start with a blank search
 399                                 $aSearches = array(
 400                                         array('iSearchRank' => 0, 'iNamePhrase' => -1, 'sCountryCode' => false, 'aName'=>array(), 'aAddress'=>array(), 'aFullNameAddress'=>array(),
 401                                               'aNameNonSearch'=>array(), 'aAddressNonSearch'=>array(),
 402                                               'sOperator'=>'', 'aFeatureName' => array(), 'sClass'=>'', 'sType'=>'', 'sHouseNumber'=>'', 'fLat'=>'', 'fLon'=>'', 'fRadius'=>'')
 403                                 );
 404
 405                                 // Do we have a radius search?
 406                                 $sNearPointSQL = false;
 407                                 if ($this->aNearPoint)
 408                                 {
 409                                         $sNearPointSQL = "ST_SetSRID(ST_Point(".(float)$this->aNearPoint[1].",".(float)$this->aNearPoint[0]."),4326)";
 410                                         $aSearches[0]['fLat'] = (float)$this->aNearPoint[0];
 411                                         $aSearches[0]['fLon'] = (float)$this->aNearPoint[1];
 412                                         $aSearches[0]['fRadius'] = (float)$this->aNearPoint[2];
 413                                 }
 414
 415                                 // Any 'special' terms in the search?
 416                                 $bSpecialTerms = false;
 417                                 preg_match_all('/\\[(.*)=(.*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 418                                 $aSpecialTerms = array();
 419                                 foreach($aSpecialTermsRaw as $aSpecialTerm)
 420                                 {
 421                                         $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 422                                         $aSpecialTerms[strtolower($aSpecialTerm[1])] = $aSpecialTerm[2];
 423                                 }
 424
 425                                 preg_match_all('/\\[([\\w ]*)\\]/u', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 426                                 $aSpecialTerms = array();
 427                                 if (isset($aStructuredQuery['amenity']) && $aStructuredQuery['amenity'])
 428                                 {
 429                                         $aSpecialTermsRaw[] = array('['.$aStructuredQuery['amenity'].']', $aStructuredQuery['amenity']);
 430                                         unset($aStructuredQuery['amenity']);
 431                                 }
 432                                 foreach($aSpecialTermsRaw as $aSpecialTerm)
 433                                 {
 434                                         $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 435                                         $sToken = $this->oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
 436                                         $sSQL = 'select * from (select word_id,word_token, word, class, type, country_code, operator';
 437                                         $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\')) or country_code is not null';
 438                                         if (CONST_Debug) var_Dump($sSQL);
 439                                         $aSearchWords = $this->oDB->getAll($sSQL);
 440                                         $aNewSearches = array();
 441                                         foreach($aSearches as $aSearch)
 442                                         {
 443                                                 foreach($aSearchWords as $aSearchTerm)
 444                                                 {
 445                                                         $aNewSearch = $aSearch;
 446                                                         if ($aSearchTerm['country_code'])
 447                                                         {
 448                                                                 $aNewSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 449                                                                 $aNewSearches[] = $aNewSearch;
 450                                                                 $bSpecialTerms = true;
 451                                                         }
 452                                                         if ($aSearchTerm['class'])
 453                                                         {
 454                                                                 $aNewSearch['sClass'] = $aSearchTerm['class'];
 455                                                                 $aNewSearch['sType'] = $aSearchTerm['type'];
 456                                                                 $aNewSearches[] = $aNewSearch;
 457                                                                 $bSpecialTerms = true;
 458                                                         }
 459                                                 }
 460                                         }
 461                                         $aSearches = $aNewSearches;
 462                                 }
 463
 464                                 // Split query into phrases
 465                                 // Commas are used to reduce the search space by indicating where phrases split
 466                                 if ($this->aStructuredQuery)
 467                                 {
 468                                         $aPhrases = $this->aStructuredQuery;
 469                                         $bStructuredPhrases = true;
 470                                 }
 471                                 else
 472                                 {
 473                                         $aPhrases = explode(',',$sQuery);
 474                                         $bStructuredPhrases = false;
 475                                 }
 476
 477                                 // Convert each phrase to standard form
 478                                 // Create a list of standard words
 479                                 // Get all 'sets' of words
 480                                 // Generate a complete list of all
 481                                 $aTokens = array();
 482                                 foreach($aPhrases as $iPhrase => $sPhrase)
 483                                 {
 484                                         $aPhrase = $this->oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
 485                                         if (PEAR::isError($aPhrase))
 486                                         {
 487                                                 userError("Illegal query string (not an UTF-8 string): ".$sPhrase);
 488                                                 if (CONST_Debug) var_dump($aPhrase);
 489                                                 exit;
 490                                         }
 491                                         if (trim($aPhrase['string']))
 492                                         {
 493                                                 $aPhrases[$iPhrase] = $aPhrase;
 494                                                 $aPhrases[$iPhrase]['words'] = explode(' ',$aPhrases[$iPhrase]['string']);
 495                                                 $aPhrases[$iPhrase]['wordsets'] = getWordSets($aPhrases[$iPhrase]['words'], 0);
 496                                                 $aTokens = array_merge($aTokens, getTokensFromSets($aPhrases[$iPhrase]['wordsets']));
 497                                         }
 498                                         else
 499                                         {
 500                                                 unset($aPhrases[$iPhrase]);
 501                                         }
 502                                 }
 503
 504                                 // Reindex phrases - we make assumptions later on that they are numerically keyed in order
 505                                 $aPhraseTypes = array_keys($aPhrases);
 506                                 $aPhrases = array_values($aPhrases);
 507
 508                                 if (sizeof($aTokens))
 509                                 {
 510                                         // Check which tokens we have, get the ID numbers
 511                                         $sSQL = 'select word_id,word_token, word, class, type, country_code, operator, search_name_count';
 512                                         $sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
 513
 514                                         if (CONST_Debug) var_Dump($sSQL);
 515
 516                                         $aValidTokens = array();
 517                                         if (sizeof($aTokens)) $aDatabaseWords = $this->oDB->getAll($sSQL);
 518                                         else $aDatabaseWords = array();
 519                                         if (PEAR::IsError($aDatabaseWords))
 520                                         {
 521                                                 failInternalError("Could not get word tokens.", $sSQL, $aDatabaseWords);
 522                                         }
 523                                         $aPossibleMainWordIDs = array();
 524                                         $aWordFrequencyScores = array();
 525                                         foreach($aDatabaseWords as $aToken)
 526                                         {
 527                                                 // Very special case - require 2 letter country param to match the country code found
 528                                                 if ($bStructuredPhrases && $aToken['country_code'] && !empty($aStructuredQuery['country'])
 529                                                                 && strlen($aStructuredQuery['country']) == 2 && strtolower($aStructuredQuery['country']) != $aToken['country_code'])
 530                                                 {
 531                                                         continue;
 532                                                 }
 533
 534                                                 if (isset($aValidTokens[$aToken['word_token']]))
 535                                                 {
 536                                                         $aValidTokens[$aToken['word_token']][] = $aToken;
 537                                                 }
 538                                                 else
 539                                                 {
 540                                                         $aValidTokens[$aToken['word_token']] = array($aToken);
 541                                                 }
 542                                                 if (!$aToken['class'] && !$aToken['country_code']) $aPossibleMainWordIDs[$aToken['word_id']] = 1;
 543                                                 $aWordFrequencyScores[$aToken['word_id']] = $aToken['search_name_count'] + 1;
 544                                         }
 545                                         if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
 546
 547                                         // Try and calculate GB postcodes we might be missing
 548                                         foreach($aTokens as $sToken)
 549                                         {
 550                                                 // Source of gb postcodes is now definitive - always use
 551                                                 if (preg_match('/^([A-Z][A-Z]?[0-9][0-9A-Z]? ?[0-9])([A-Z][A-Z])$/', strtoupper(trim($sToken)), $aData))
 552                                                 {
 553                                                         if (substr($aData[1],-2,1) != ' ')
 554                                                         {
 555                                                                 $aData[0] = substr($aData[0],0,strlen($aData[1]-1)).' '.substr($aData[0],strlen($aData[1]-1));
 556                                                                 $aData[1] = substr($aData[1],0,-1).' '.substr($aData[1],-1,1);
 557                                                         }
 558                                                         $aGBPostcodeLocation = gbPostcodeCalculate($aData[0], $aData[1], $aData[2], $this->oDB);
 559                                                         if ($aGBPostcodeLocation)
 560                                                         {
 561                                                                 $aValidTokens[$sToken] = $aGBPostcodeLocation;
 562                                                         }
 563                                                 }
 564                                                 // US ZIP+4 codes - if there is no token,
 565                                                 //      merge in the 5-digit ZIP code
 566                                                 else if (!isset($aValidTokens[$sToken]) && preg_match('/^([0-9]{5}) [0-9]{4}$/', $sToken, $aData))
 567                                                 {
 568                                                         if (isset($aValidTokens[$aData[1]]))
 569                                                         {
 570                                                                 foreach($aValidTokens[$aData[1]] as $aToken)
 571                                                                 {
 572                                                                         if (!$aToken['class'])
 573                                                                         {
 574                                                                                 if (isset($aValidTokens[$sToken]))
 575                                                                                 {
 576                                                                                         $aValidTokens[$sToken][] = $aToken;
 577                                                                                 }
 578                                                                                 else
 579                                                                                 {
 580                                                                                         $aValidTokens[$sToken] = array($aToken);
 581                                                                                 }
 582                                                                         }
 583                                                                 }
 584                                                         }
 585                                                 }
 586                                         }
 587
 588                                         foreach($aTokens as $sToken)
 589                                         {
 590                                                 // Unknown single word token with a number - assume it is a house number
 591                                                 if (!isset($aValidTokens[' '.$sToken]) && strpos($sToken,' ') === false && preg_match('/[0-9]/', $sToken))
 592                                                 {
 593                                                         $aValidTokens[' '.$sToken] = array(array('class'=>'place','type'=>'house'));
 594                                                 }
 595                                         }
 596
 597                                         // Any words that have failed completely?
 598                                         // TODO: suggestions
 599
 600                                         // Start the search process
 601                                         $aResultPlaceIDs = array();
 602
 603                                         /*
 604                                            Calculate all searches using aValidTokens i.e.
 605                                            'Wodsworth Road, Sheffield' =>
 606
 607                                            Phrase Wordset
 608                                            0      0       (wodsworth road)
 609                                            0      1       (wodsworth)(road)
 610                                            1      0       (sheffield)
 611
 612                                            Score how good the search is so they can be ordered
 613                                          */
 614                                         foreach($aPhrases as $iPhrase => $sPhrase)
 615                                         {
 616                                                 $aNewPhraseSearches = array();
 617                                                 if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
 618                                                 else $sPhraseType = '';
 619
 620                                                 foreach($aPhrases[$iPhrase]['wordsets'] as $aWordset)
 621                                                 {
 622                                                         $aWordsetSearches = $aSearches;
 623
 624                                                         // Add all words from this wordset
 625                                                         foreach($aWordset as $iToken => $sToken)
 626                                                         {
 627                                                                 //echo "<br><b>$sToken</b>";
 628                                                                 $aNewWordsetSearches = array();
 629
 630                                                                 foreach($aWordsetSearches as $aCurrentSearch)
 631                                                                 {
 632                                                                         //echo "<i>";
 633                                                                         //var_dump($aCurrentSearch);
 634                                                                         //echo "</i>";
 635
 636                                                                         // If the token is valid
 637                                                                         if (isset($aValidTokens[' '.$sToken]))
 638                                                                         {
 639                                                                                 foreach($aValidTokens[' '.$sToken] as $aSearchTerm)
 640                                                                                 {
 641                                                                                         $aSearch = $aCurrentSearch;
 642                                                                                         $aSearch['iSearchRank']++;
 643                                                                                         if (($sPhraseType == '' || $sPhraseType == 'country') && !empty($aSearchTerm['country_code']) && $aSearchTerm['country_code'] != '0')
 644                                                                                         {
 645                                                                                                 if ($aSearch['sCountryCode'] === false)
 646                                                                                                 {
 647                                                                                                         $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 648                                                                                                         // Country is almost always at the end of the string - increase score for finding it anywhere else (optimisation)
 649                                                                                                         // If reverse order is enabled, it may appear at the beginning as well.
 650                                                                                                         if (($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases)) &&
 651                                                                                                                         (!$this->bReverseInPlan || $iToken > 0 || $iPhrase > 0))
 652                                                                                                         {
 653                                                                                                                 $aSearch['iSearchRank'] += 5;
 654                                                                                                         }
 655                                                                                                         if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
 656                                                                                                 }
 657                                                                                         }
 658                                                                                         elseif (isset($aSearchTerm['lat']) && $aSearchTerm['lat'] !== '' && $aSearchTerm['lat'] !== null)
 659                                                                                         {
 660                                                                                                 if ($aSearch['fLat'] === '')
 661                                                                                                 {
 662                                                                                                         $aSearch['fLat'] = $aSearchTerm['lat'];
 663                                                                                                         $aSearch['fLon'] = $aSearchTerm['lon'];
 664                                                                                                         $aSearch['fRadius'] = $aSearchTerm['radius'];
 665                                                                                                         if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
 666                                                                                                 }
 667                                                                                         }
 668                                                                                         elseif ($sPhraseType == 'postalcode')
 669                                                                                         {
 670                                                                                                 // We need to try the case where the postal code is the primary element (i.e. no way to tell if it is (postalcode, city) OR (city, postalcode) so try both
 671                                                                                                 if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
 672                                                                                                 {
 673                                                                                                         // If we already have a name try putting the postcode first
 674                                                                                                         if (sizeof($aSearch['aName']))
 675                                                                                                         {
 676                                                                                                                 $aNewSearch = $aSearch;
 677                                                                                                                 $aNewSearch['aAddress'] = array_merge($aNewSearch['aAddress'], $aNewSearch['aName']);
 678                                                                                                                 $aNewSearch['aName'] = array();
 679                                                                                                                 $aNewSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 680                                                                                                                 if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aNewSearch;
 681                                                                                                         }
 682
 683                                                                                                         if (sizeof($aSearch['aName']))
 684                                                                                                         {
 685                                                                                                                 if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
 686                                                                                                                 {
 687                                                                                                                         $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 688                                                                                                                 }
 689                                                                                                                 else
 690                                                                                                                 {
 691                                                                                                                         $aCurrentSearch['aFullNameAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 692                                                                                                                         $aSearch['iSearchRank'] += 1000; // skip;
 693                                                                                                                 }
 694                                                                                                         }
 695                                                                                                         else
 696                                                                                                         {
 697                                                                                                                 $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 698                                                                                                                 //$aSearch['iNamePhrase'] = $iPhrase;
 699                                                                                                         }
 700                                                                                                         if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
 701                                                                                                 }
 702
 703                                                                                         }
 704                                                                                         elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
 705                                                                                         {
 706                                                                                                 if ($aSearch['sHouseNumber'] === '')
 707                                                                                                 {
 708                                                                                                         $aSearch['sHouseNumber'] = $sToken;
 709                                                                                                         if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
 710                                                                                                         /*
 711                                                                                                         // Fall back to not searching for this item (better than nothing)
 712                                                                                                         $aSearch = $aCurrentSearch;
 713                                                                                                         $aSearch['iSearchRank'] += 1;
 714                                                                                                         if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
 715                                                                                                          */
 716                                                                                                 }
 717                                                                                         }
 718                                                                                         elseif ($sPhraseType == '' && $aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
 719                                                                                         {
 720                                                                                                 if ($aSearch['sClass'] === '')
 721                                                                                                 {
 722                                                                                                         $aSearch['sOperator'] = $aSearchTerm['operator'];
 723                                                                                                         $aSearch['sClass'] = $aSearchTerm['class'];
 724                                                                                                         $aSearch['sType'] = $aSearchTerm['type'];
 725                                                                                                         if (sizeof($aSearch['aName'])) $aSearch['sOperator'] = 'name';
 726                                                                                                         else $aSearch['sOperator'] = 'near'; // near = in for the moment
 727                                                                                                         if (strlen($aSearchTerm['operator']) == 0) $aSearch['iSearchRank'] += 1;
 728
 729                                                                                                         // Do we have a shortcut id?
 730                                                                                                         if ($aSearch['sOperator'] == 'name')
 731                                                                                                         {
 732                                                                                                                 $sSQL = "select get_tagpair('".$aSearch['sClass']."', '".$aSearch['sType']."')";
 733                                                                                                                 if ($iAmenityID = $this->oDB->getOne($sSQL))
 734                                                                                                                 {
 735                                                                                                                         $aValidTokens[$aSearch['sClass'].':'.$aSearch['sType']] = array('word_id' => $iAmenityID);
 736                                                                                                                         $aSearch['aName'][$iAmenityID] = $iAmenityID;
 737                                                                                                                         $aSearch['sClass'] = '';
 738                                                                                                                         $aSearch['sType'] = '';
 739                                                                                                                 }
 740                                                                                                         }
 741                                                                                                         if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
 742                                                                                                 }
 743                                                                                         }
 744                                                                                         elseif (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
 745                                                                                         {
 746                                                                                                 if (sizeof($aSearch['aName']))
 747                                                                                                 {
 748                                                                                                         if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
 749                                                                                                         {
 750                                                                                                                 $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 751                                                                                                         }
 752                                                                                                         else
 753                                                                                                         {
 754                                                                                                                 $aCurrentSearch['aFullNameAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 755                                                                                                                 $aSearch['iSearchRank'] += 1000; // skip;
 756                                                                                                         }
 757                                                                                                 }
 758                                                                                                 else
 759                                                                                                 {
 760                                                                                                         $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 761                                                                                                         //$aSearch['iNamePhrase'] = $iPhrase;
 762                                                                                                 }
 763                                                                                                 if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
 764                                                                                         }
 765                                                                                 }
 766                                                                         }
 767                                                                         if (isset($aValidTokens[$sToken]))
 768                                                                         {
 769                                                                                 // Allow searching for a word - but at extra cost
 770                                                                                 foreach($aValidTokens[$sToken] as $aSearchTerm)
 771                                                                                 {
 772                                                                                         if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
 773                                                                                         {
 774                                                                                                 if ((!$bStructuredPhrases || $iPhrase > 0) && sizeof($aCurrentSearch['aName']) && strlen($sToken) >= 4)
 775                                                                                                 {
 776                                                                                                         $aSearch = $aCurrentSearch;
 777                                                                                                         $aSearch['iSearchRank'] += 1;
 778                                                                                                         if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
 779                                                                                                         {
 780                                                                                                                 $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 781                                                                                                                 if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
 782                                                                                                         }
 783                                                                                                         elseif (isset($aValidTokens[' '.$sToken])) // revert to the token version?
 784                                                                                                         {
 785                                                                                                                 foreach($aValidTokens[' '.$sToken] as $aSearchTermToken)
 786                                                                                                                 {
 787                                                                                                                         if (empty($aSearchTermToken['country_code'])
 788                                                                                                                                         && empty($aSearchTermToken['lat'])
 789                                                                                                                                         && empty($aSearchTermToken['class']))
 790                                                                                                                         {
 791                                                                                                                                 $aSearch = $aCurrentSearch;
 792                                                                                                                                 $aSearch['iSearchRank'] += 1;
 793                                                                                                                                 $aSearch['aAddress'][$aSearchTermToken['word_id']] = $aSearchTermToken['word_id'];
 794                                                                                                                                 if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
 795                                                                                                                         }
 796                                                                                                                 }
 797                                                                                                         }
 798                                                                                                         else
 799                                                                                                         {
 800                                                                                                                 $aSearch['aAddressNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 801                                                                                                                 if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
 802                                                                                                         }
 803                                                                                                 }
 804
 805                                                                                                 if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
 806                                                                                                 {
 807                                                                                                         $aSearch = $aCurrentSearch;
 808                                                                                                         $aSearch['iSearchRank'] += 2;
 809                                                                                                         if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
 810                                                                                                         if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
 811                                                                                                                 $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 812                                                                                                         else
 813                                                                                                                 $aSearch['aNameNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 814                                                                                                         $aSearch['iNamePhrase'] = $iPhrase;
 815                                                                                                         if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
 816                                                                                                 }
 817                                                                                         }
 818                                                                                 }
 819                                                                         }
 820                                                                         else
 821                                                                         {
 822                                                                                 // Allow skipping a word - but at EXTREAM cost
 823                                                                                 //$aSearch = $aCurrentSearch;
 824                                                                                 //$aSearch['iSearchRank']+=100;
 825                                                                                 //$aNewWordsetSearches[] = $aSearch;
 826                                                                         }
 827                                                                 }
 828                                                                 // Sort and cut
 829                                                                 usort($aNewWordsetSearches, 'bySearchRank');
 830                                                                 $aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
 831                                                         }
 832                                                         //var_Dump('<hr>',sizeof($aWordsetSearches)); exit;
 833
 834                                                         $aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
 835                                                         usort($aNewPhraseSearches, 'bySearchRank');
 836
 837                                                         $aSearchHash = array();
 838                                                         foreach($aNewPhraseSearches as $iSearch => $aSearch)
 839                                                         {
 840                                                                 $sHash = serialize($aSearch);
 841                                                                 if (isset($aSearchHash[$sHash])) unset($aNewPhraseSearches[$iSearch]);
 842                                                                 else $aSearchHash[$sHash] = 1;
 843                                                         }
 844
 845                                                         $aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
 846                                                 }
 847
 848                                                 // Re-group the searches by their score, junk anything over 20 as just not worth trying
 849                                                 $aGroupedSearches = array();
 850                                                 foreach($aNewPhraseSearches as $aSearch)
 851                                                 {
 852                                                         if ($aSearch['iSearchRank'] < $this->iMaxRank)
 853                                                         {
 854                                                                 if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 855                                                                 $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 856                                                         }
 857                                                 }
 858                                                 ksort($aGroupedSearches);
 859
 860                                                 $iSearchCount = 0;
 861                                                 $aSearches = array();
 862                                                 foreach($aGroupedSearches as $iScore => $aNewSearches)
 863                                                 {
 864                                                         $iSearchCount += sizeof($aNewSearches);
 865                                                         $aSearches = array_merge($aSearches, $aNewSearches);
 866                                                         if ($iSearchCount > 50) break;
 867                                                 }
 868
 869                                                 //if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 870
 871                                         }
 872
 873                                 }
 874                                 else
 875                                 {
 876                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
 877                                         $aGroupedSearches = array();
 878                                         foreach($aSearches as $aSearch)
 879                                         {
 880                                                 if ($aSearch['iSearchRank'] < $this->iMaxRank)
 881                                                 {
 882                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 883                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 884                                                 }
 885                                         }
 886                                         ksort($aGroupedSearches);
 887                                 }
 888
 889                                 if (CONST_Debug) var_Dump($aGroupedSearches);
 890
 891                                 if ($this->bReverseInPlan)
 892                                 {
 893                                         $aCopyGroupedSearches = $aGroupedSearches;
 894                                         foreach($aCopyGroupedSearches as $iGroup => $aSearches)
 895                                         {
 896                                                 foreach($aSearches as $iSearch => $aSearch)
 897                                                 {
 898                                                         if (sizeof($aSearch['aAddress']))
 899                                                         {
 900                                                                 $iReverseItem = array_pop($aSearch['aAddress']);
 901                                                                 if (isset($aPossibleMainWordIDs[$iReverseItem]))
 902                                                                 {
 903                                                                         $aSearch['aAddress'] = array_merge($aSearch['aAddress'], $aSearch['aName']);
 904                                                                         $aSearch['aName'] = array($iReverseItem);
 905                                                                         $aGroupedSearches[$iGroup][] = $aSearch;
 906                                                                 }
 907                                                                 //$aReverseSearch['aName'][$iReverseItem] = $iReverseItem;
 908                                                                 //$aGroupedSearches[$iGroup][] = $aReverseSearch;
 909                                                         }
 910                                                 }
 911                                         }
 912                                 }
 913
 914                                 if (CONST_Search_TryDroppedAddressTerms && sizeof($aStructuredQuery) > 0)
 915                                 {
 916                                         $aCopyGroupedSearches = $aGroupedSearches;
 917                                         foreach($aCopyGroupedSearches as $iGroup => $aSearches)
 918                                         {
 919                                                 foreach($aSearches as $iSearch => $aSearch)
 920                                                 {
 921                                                         $aReductionsList = array($aSearch['aAddress']);
 922                                                         $iSearchRank = $aSearch['iSearchRank'];
 923                                                         while(sizeof($aReductionsList) > 0)
 924                                                         {
 925                                                                 $iSearchRank += 5;
 926                                                                 if ($iSearchRank > iMaxRank) break 3;
 927                                                                 $aNewReductionsList = array();
 928                                                                 foreach($aReductionsList as $aReductionsWordList)
 929                                                                 {
 930                                                                         for ($iReductionWord = 0; $iReductionWord < sizeof($aReductionsWordList); $iReductionWord++)
 931                                                                         {
 932                                                                                 $aReductionsWordListResult = array_merge(array_slice($aReductionsWordList, 0, $iReductionWord), array_slice($aReductionsWordList, $iReductionWord+1));
 933                                                                                 $aReverseSearch = $aSearch;
 934                                                                                 $aSearch['aAddress'] = $aReductionsWordListResult;
 935                                                                                 $aSearch['iSearchRank'] = $iSearchRank;
 936                                                                                 $aGroupedSearches[$iSearchRank][] = $aReverseSearch;
 937                                                                                 if (sizeof($aReductionsWordListResult) > 0)
 938                                                                                 {
 939                                                                                         $aNewReductionsList[] = $aReductionsWordListResult;
 940                                                                                 }
 941                                                                         }
 942                                                                 }
 943                                                                 $aReductionsList = $aNewReductionsList;
 944                                                         }
 945                                                 }
 946                                         }
 947                                         ksort($aGroupedSearches);
 948                                 }
 949
 950                                 // Filter out duplicate searches
 951                                 $aSearchHash = array();
 952                                 foreach($aGroupedSearches as $iGroup => $aSearches)
 953                                 {
 954                                         foreach($aSearches as $iSearch => $aSearch)
 955                                         {
 956                                                 $sHash = serialize($aSearch);
 957                                                 if (isset($aSearchHash[$sHash]))
 958                                                 {
 959                                                         unset($aGroupedSearches[$iGroup][$iSearch]);
 960                                                         if (sizeof($aGroupedSearches[$iGroup]) == 0) unset($aGroupedSearches[$iGroup]);
 961                                                 }
 962                                                 else
 963                                                 {
 964                                                         $aSearchHash[$sHash] = 1;
 965                                                 }
 966                                         }
 967                                 }
 968
 969                                 if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 970
 971                                 $iGroupLoop = 0;
 972                                 $iQueryLoop = 0;
 973                                 foreach($aGroupedSearches as $iGroupedRank => $aSearches)
 974                                 {
 975                                         $iGroupLoop++;
 976                                         foreach($aSearches as $aSearch)
 977                                         {
 978                                                 $iQueryLoop++;
 979
 980                                                 if (CONST_Debug) { echo "<hr><b>Search Loop, group $iGroupLoop, loop $iQueryLoop</b>"; }
 981                                                 if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
 982
 983                                                 // No location term?
 984                                                 if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['fLon'])
 985                                                 {
 986                                                         if ($aSearch['sCountryCode'] && !$aSearch['sClass'] && !$aSearch['sHouseNumber'])
 987                                                         {
 988                                                                 // Just looking for a country by code - look it up
 989                                                                 if (4 >= $this->iMinAddressRank && 4 <= $this->iMaxAddressRank)
 990                                                                 {
 991                                                                         $sSQL = "select place_id from placex where calculated_country_code='".$aSearch['sCountryCode']."' and rank_search = 4";
 992                                                                         if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
 993                                                                         $sSQL .= " order by st_area(geometry) desc limit 1";
 994                                                                         if (CONST_Debug) var_dump($sSQL);
 995                                                                         $aPlaceIDs = $this->oDB->getCol($sSQL);
 996                                                                 }
 997                                                         }
 998                                                         else
 999                                                         {
1000                                                                 if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
1001                                                                 if (!$aSearch['sClass']) continue;
1002                                                                 $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
1003                                                                 if ($this->oDB->getOne($sSQL))
1004                                                                 {
1005                                                                         $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
1006                                                                         if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
1007                                                                         $sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid)";
1008                                                                         if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
1009                                                                         if (sizeof($this->aExcludePlaceIDs))
1010                                                                         {
1011                                                                                 $sSQL .= " and place_id not in (".join(',',$this->aExcludePlaceIDs).")";
1012                                                                         }
1013                                                                         if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
1014                                                                         $sSQL .= " limit $this->iLimit";
1015                                                                         if (CONST_Debug) var_dump($sSQL);
1016                                                                         $aPlaceIDs = $this->oDB->getCol($sSQL);
1017
1018                                                                         // If excluded place IDs are given, it is fair to assume that
1019                                                                         // there have been results in the small box, so no further
1020                                                                         // expansion in that case.
1021                                                                         if (!sizeof($aPlaceIDs) && !sizeof($this->aExcludePlaceIDs))
1022                                                                         {
1023                                                                                 $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
1024                                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
1025                                                                                 $sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid)";
1026                                                                                 if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
1027                                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
1028                                                                                 $sSQL .= " limit $this->iLimit";
1029                                                                                 if (CONST_Debug) var_dump($sSQL);
1030                                                                                 $aPlaceIDs = $this->oDB->getCol($sSQL);
1031                                                                         }
1032                                                                 }
1033                                                                 else
1034                                                                 {
1035                                                                         $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
1036                                                                         $sSQL .= " and st_contains($sViewboxSmallSQL, geometry) and linked_place_id is null";
1037                                                                         if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
1038                                                                         if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
1039                                                                         $sSQL .= " limit $this->iLimit";
1040                                                                         if (CONST_Debug) var_dump($sSQL);
1041                                                                         $aPlaceIDs = $this->oDB->getCol($sSQL);
1042                                                                 }
1043                                                         }
1044                                                 }
1045                                                 else
1046                                                 {
1047                                                         $aPlaceIDs = array();
1048
1049                                                         // First we need a position, either aName or fLat or both
1050                                                         $aTerms = array();
1051                                                         $aOrder = array();
1052
1053                                                         // TODO: filter out the pointless search terms (2 letter name tokens and less)
1054                                                         // they might be right - but they are just too darned expensive to run
1055                                                         if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";
1056                                                         if (sizeof($aSearch['aNameNonSearch'])) $aTerms[] = "array_cat(name_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aNameNonSearch'],",")."]";
1057                                                         if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress'])
1058                                                         {
1059                                                                 // For infrequent name terms disable index usage for address
1060                                                                 if (CONST_Search_NameOnlySearchFrequencyThreshold &&
1061                                                                                 sizeof($aSearch['aName']) == 1 &&
1062                                                                                 $aWordFrequencyScores[$aSearch['aName'][reset($aSearch['aName'])]] < CONST_Search_NameOnlySearchFrequencyThreshold)
1063                                                                 {
1064                                                                         $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join(array_merge($aSearch['aAddress'],$aSearch['aAddressNonSearch']),",")."]";
1065                                                                 }
1066                                                                 else
1067                                                                 {
1068                                                                         $aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'],",")."]";
1069                                                                         if (sizeof($aSearch['aAddressNonSearch'])) $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aAddressNonSearch'],",")."]";
1070                                                                 }
1071                                                         }
1072                                                         if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
1073                                                         if ($aSearch['sHouseNumber']) $aTerms[] = "address_rank between 16 and 27";
1074                                                         if ($aSearch['fLon'] && $aSearch['fLat'])
1075                                                         {
1076                                                                 $aTerms[] = "ST_DWithin(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326), ".$aSearch['fRadius'].")";
1077                                                                 $aOrder[] = "ST_Distance(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326)) ASC";
1078                                                         }
1079                                                         if (sizeof($this->aExcludePlaceIDs))
1080                                                         {
1081                                                                 $aTerms[] = "place_id not in (".join(',',$this->aExcludePlaceIDs).")";
1082                                                         }
1083                                                         if ($sCountryCodesSQL)
1084                                                         {
1085                                                                 $aTerms[] = "country_code in ($sCountryCodesSQL)";
1086                                                         }
1087
1088                                                         if ($bBoundingBoxSearch) $aTerms[] = "centroid && $sViewboxSmallSQL";
1089                                                         if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc";
1090
1091                                                         $sImportanceSQL = '(case when importance = 0 OR importance IS NULL then 0.75-(search_rank::float/40) else importance end)';
1092                                                         if ($sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END";
1093                                                         if ($sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END";
1094                                                         $aOrder[] = "$sImportanceSQL DESC";
1095                                                         if (sizeof($aSearch['aFullNameAddress']))
1096                                                         {
1097                                                                 $aOrder[] = '(select count(*) from (select unnest(ARRAY['.join($aSearch['aFullNameAddress'],",").']) INTERSECT select unnest(nameaddress_vector))s) DESC';
1098                                                         }
1099
1100                                                         if (sizeof($aTerms))
1101                                                         {
1102                                                                 $sSQL = "select place_id";
1103                                                                 $sSQL .= " from search_name";
1104                                                                 $sSQL .= " where ".join(' and ',$aTerms);
1105                                                                 $sSQL .= " order by ".join(', ',$aOrder);
1106                                                                 if ($aSearch['sHouseNumber'] || $aSearch['sClass'])
1107                                                                         $sSQL .= " limit 50";
1108                                                                 elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
1109                                                                         $sSQL .= " limit 1";
1110                                                                 else
1111                                                                         $sSQL .= " limit ".$this->iLimit;
1112
1113                                                                 if (CONST_Debug) { var_dump($sSQL); }
1114                                                                 $aViewBoxPlaceIDs = $this->oDB->getAll($sSQL);
1115                                                                 if (PEAR::IsError($aViewBoxPlaceIDs))
1116                                                                 {
1117                                                                         failInternalError("Could not get places for search terms.", $sSQL, $aViewBoxPlaceIDs);
1118                                                                 }
1119                                                                 //var_dump($aViewBoxPlaceIDs);
1120                                                                 // Did we have an viewbox matches?
1121                                                                 $aPlaceIDs = array();
1122                                                                 $bViewBoxMatch = false;
1123                                                                 foreach($aViewBoxPlaceIDs as $aViewBoxRow)
1124                                                                 {
1125                                                                         //if ($bViewBoxMatch == 1 && $aViewBoxRow['in_small'] == 'f') break;
1126                                                                         //if ($bViewBoxMatch == 2 && $aViewBoxRow['in_large'] == 'f') break;
1127                                                                         //if ($aViewBoxRow['in_small'] == 't') $bViewBoxMatch = 1;
1128                                                                         //else if ($aViewBoxRow['in_large'] == 't') $bViewBoxMatch = 2;
1129                                                                         $aPlaceIDs[] = $aViewBoxRow['place_id'];
1130                                                                 }
1131                                                         }
1132                                                         //var_Dump($aPlaceIDs);
1133                                                         //exit;
1134
1135                                                         if ($aSearch['sHouseNumber'] && sizeof($aPlaceIDs))
1136                                                         {
1137                                                                 $aRoadPlaceIDs = $aPlaceIDs;
1138                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
1139
1140                                                                 // Now they are indexed look for a house attached to a street we found
1141                                                                 $sHouseNumberRegex = '\\\\m'.str_replace(' ','[-,/ ]',$aSearch['sHouseNumber']).'\\\\M';
1142                                                                 $sSQL = "select place_id from placex where parent_place_id in (".$sPlaceIDs.") and housenumber ~* E'".$sHouseNumberRegex."'";
1143                                                                 if (sizeof($this->aExcludePlaceIDs))
1144                                                                 {
1145                                                                         $sSQL .= " and place_id not in (".join(',',$this->aExcludePlaceIDs).")";
1146                                                                 }
1147                                                                 $sSQL .= " limit $this->iLimit";
1148                                                                 if (CONST_Debug) var_dump($sSQL);
1149                                                                 $aPlaceIDs = $this->oDB->getCol($sSQL);
1150
1151                                                                 // If not try the aux fallback table
1152                                                                 if (!sizeof($aPlaceIDs))
1153                                                                 {
1154                                                                         $sSQL = "select place_id from location_property_aux where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
1155                                                                         if (sizeof($this->aExcludePlaceIDs))
1156                                                                         {
1157                                                                                 $sSQL .= " and place_id not in (".join(',',$this->aExcludePlaceIDs).")";
1158                                                                         }
1159                                                                         //$sSQL .= " limit $this->iLimit";
1160                                                                         if (CONST_Debug) var_dump($sSQL);
1161                                                                         $aPlaceIDs = $this->oDB->getCol($sSQL);
1162                                                                 }
1163
1164                                                                 if (!sizeof($aPlaceIDs))
1165                                                                 {
1166                                                                         $sSQL = "select place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
1167                                                                         if (sizeof($this->aExcludePlaceIDs))
1168                                                                         {
1169                                                                                 $sSQL .= " and place_id not in (".join(',',$this->aExcludePlaceIDs).")";
1170                                                                         }
1171                                                                         //$sSQL .= " limit $this->iLimit";
1172                                                                         if (CONST_Debug) var_dump($sSQL);
1173                                                                         $aPlaceIDs = $this->oDB->getCol($sSQL);
1174                                                                 }
1175
1176                                                                 // Fallback to the road
1177                                                                 if (!sizeof($aPlaceIDs) && preg_match('/[0-9]+/', $aSearch['sHouseNumber']))
1178                                                                 {
1179                                                                         $aPlaceIDs = $aRoadPlaceIDs;
1180                                                                 }
1181
1182                                                         }
1183
1184                                                         if ($aSearch['sClass'] && sizeof($aPlaceIDs))
1185                                                         {
1186                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
1187                                                                 $aClassPlaceIDs = array();
1188
1189                                                                 if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
1190                                                                 {
1191                                                                         // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
1192                                                                         $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
1193                                                                         $sSQL .= " and linked_place_id is null";
1194                                                                         if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
1195                                                                         $sSQL .= " order by rank_search asc limit $this->iLimit";
1196                                                                         if (CONST_Debug) var_dump($sSQL);
1197                                                                         $aClassPlaceIDs = $this->oDB->getCol($sSQL);
1198                                                                 }
1199
1200                                                                 if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
1201                                                                 {
1202                                                                         $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
1203                                                                         $bCacheTable = $this->oDB->getOne($sSQL);
1204
1205                                                                         $sSQL = "select min(rank_search) from placex where place_id in ($sPlaceIDs)";
1206
1207                                                                         if (CONST_Debug) var_dump($sSQL);
1208                                                                         $this->iMaxRank = ((int)$this->oDB->getOne($sSQL));
1209
1210                                                                         // For state / country level searches the normal radius search doesn't work very well
1211                                                                         $sPlaceGeom = false;
1212                                                                         if ($this->iMaxRank < 9 && $bCacheTable)
1213                                                                         {
1214                                                                                 // Try and get a polygon to search in instead
1215                                                                                 $sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $this->iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
1216                                                                                 if (CONST_Debug) var_dump($sSQL);
1217                                                                                 $sPlaceGeom = $this->oDB->getOne($sSQL);
1218                                                                         }
1219
1220                                                                         if ($sPlaceGeom)
1221                                                                         {
1222                                                                                 $sPlaceIDs = false;
1223                                                                         }
1224                                                                         else
1225                                                                         {
1226                                                                                 $this->iMaxRank += 5;
1227                                                                                 $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $this->iMaxRank";
1228                                                                                 if (CONST_Debug) var_dump($sSQL);
1229                                                                                 $aPlaceIDs = $this->oDB->getCol($sSQL);
1230                                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
1231                                                                         }
1232
1233                                                                         if ($sPlaceIDs || $sPlaceGeom)
1234                                                                         {
1235
1236                                                                                 $fRange = 0.01;
1237                                                                                 if ($bCacheTable)
1238                                                                                 {
1239                                                                                         // More efficient - can make the range bigger
1240                                                                                         $fRange = 0.05;
1241
1242                                                                                         $sOrderBySQL = '';
1243                                                                                         if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.centroid)";
1244                                                                                         else if ($sPlaceIDs) $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
1245                                                                                         else if ($sPlaceGeom) $sOrderBysSQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
1246
1247                                                                                         $sSQL = "select distinct l.place_id".($sOrderBySQL?','.$sOrderBySQL:'')." from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";
1248                                                                                         if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";
1249                                                                                         if ($sPlaceIDs)
1250                                                                                         {
1251                                                                                                 $sSQL .= ",placex as f where ";
1252                                                                                                 $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, f.centroid, $fRange) ";
1253                                                                                         }
1254                                                                                         if ($sPlaceGeom)
1255                                                                                         {
1256                                                                                                 $sSQL .= " where ";
1257                                                                                                 $sSQL .= "ST_Contains('".$sPlaceGeom."', l.centroid) ";
1258                                                                                         }
1259                                                                                         if (sizeof($this->aExcludePlaceIDs))
1260                                                                                         {
1261                                                                                                 $sSQL .= " and l.place_id not in (".join(',',$this->aExcludePlaceIDs).")";
1262                                                                                         }
1263                                                                                         if ($sCountryCodesSQL) $sSQL .= " and lp.calculated_country_code in ($sCountryCodesSQL)";
1264                                                                                         if ($sOrderBySQL) $sSQL .= "order by ".$sOrderBySQL." asc";
1265                                                                                         if ($iOffset) $sSQL .= " offset $iOffset";
1266                                                                                         $sSQL .= " limit $this->iLimit";
1267                                                                                         if (CONST_Debug) var_dump($sSQL);
1268                                                                                         $aClassPlaceIDs = array_merge($aClassPlaceIDs, $this->oDB->getCol($sSQL));
1269                                                                                 }
1270                                                                                 else
1271                                                                                 {
1272                                                                                         if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];
1273
1274                                                                                         $sOrderBySQL = '';
1275                                                                                         if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.geometry)";
1276                                                                                         else $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
1277
1278                                                                                         $sSQL = "select distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'')." from placex as l,placex as f where ";
1279                                                                                         $sSQL .= "f.place_id in ( $sPlaceIDs) and ST_DWithin(l.geometry, f.centroid, $fRange) ";
1280                                                                                         $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
1281                                                                                         if (sizeof($this->aExcludePlaceIDs))
1282                                                                                         {
1283                                                                                                 $sSQL .= " and l.place_id not in (".join(',',$this->aExcludePlaceIDs).")";
1284                                                                                         }
1285                                                                                         if ($sCountryCodesSQL) $sSQL .= " and l.calculated_country_code in ($sCountryCodesSQL)";
1286                                                                                         if ($sOrderBy) $sSQL .= "order by ".$OrderBysSQL." asc";
1287                                                                                         if ($iOffset) $sSQL .= " offset $iOffset";
1288                                                                                         $sSQL .= " limit $this->iLimit";
1289                                                                                         if (CONST_Debug) var_dump($sSQL);
1290                                                                                         $aClassPlaceIDs = array_merge($aClassPlaceIDs, $this->oDB->getCol($sSQL));
1291                                                                                 }
1292                                                                         }
1293                                                                 }
1294
1295                                                                 $aPlaceIDs = $aClassPlaceIDs;
1296
1297                                                         }
1298
1299                                                 }
1300
1301                                                 if (PEAR::IsError($aPlaceIDs))
1302                                                 {
1303                                                         failInternalError("Could not get place IDs from tokens." ,$sSQL, $aPlaceIDs);
1304                                                 }
1305
1306                                                 if (CONST_Debug) { echo "<br><b>Place IDs:</b> "; var_Dump($aPlaceIDs); }
1307
1308                                                 foreach($aPlaceIDs as $iPlaceID)
1309                                                 {
1310                                                         $aResultPlaceIDs[$iPlaceID] = $iPlaceID;
1311                                                 }
1312                                                 if ($iQueryLoop > 20) break;
1313                                         }
1314
1315                                         if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs) && ($this->iMinAddressRank != 0 || $this->iMaxAddressRank != 30))
1316                                         {
1317                                                 // Need to verify passes rank limits before dropping out of the loop (yuk!)
1318                                                 $sSQL = "select place_id from placex where place_id in (".join(',',$aResultPlaceIDs).") ";
1319                                                 $sSQL .= "and (placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
1320                                                 if (14 >= $this->iMinAddressRank && 14 <= $this->iMaxAddressRank) $sSQL .= " OR (extratags->'place') = 'city'";
1321                                                 if ($this->aAddressRankList) $sSQL .= " OR placex.rank_address in (".join(',',$this->aAddressRankList).")";
1322                                                 $sSQL .= ") UNION select place_id from location_property_tiger where place_id in (".join(',',$aResultPlaceIDs).") ";
1323                                                 $sSQL .= "and (30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
1324                                                 if ($this->aAddressRankList) $sSQL .= " OR 30 in (".join(',',$this->aAddressRankList).")";
1325                                                 $sSQL .= ")";
1326                                                 if (CONST_Debug) var_dump($sSQL);
1327                                                 $aResultPlaceIDs = $this->oDB->getCol($sSQL);
1328                                         }
1329
1330                                         //exit;
1331                                         if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs)) break;
1332                                         if ($iGroupLoop > 4) break;
1333                                         if ($iQueryLoop > 30) break;
1334                                 }
1335
1336                                 // Did we find anything?
1337                                 if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs))
1338                                 {
1339                                         $aSearchResults = $this->getDetails($aResultPlaceIDs);
1340                                 }
1341
1342                         }
1343                         else
1344                         {
1345                                 // Just interpret as a reverse geocode
1346                                 $iPlaceID = geocodeReverse((float)$this->aNearPoint[0], (float)$this->aNearPoint[1]);
1347                                 if ($iPlaceID)
1348                                         $aSearchResults = $this->getDetails(array($iPlaceID));
1349                                 else
1350                                         $aSearchResults = array();
1351                         }
1352
1353                         // No results? Done
1354                         if (!sizeof($aSearchResults))
1355                         {
1356                                 return array();
1357                         }
1358
1359                         $aClassType = getClassTypesWithImportance();
1360                         $aRecheckWords = preg_split('/\b/u',$sQuery);
1361                         foreach($aRecheckWords as $i => $sWord)
1362                         {
1363                                 if (!$sWord) unset($aRecheckWords[$i]);
1364                         }
1365
1366                         foreach($aSearchResults as $iResNum => $aResult)
1367                         {
1368                                 if (CONST_Search_AreaPolygons)
1369                                 {
1370                                         // Get the bounding box and outline polygon
1371                                         $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
1372                                         $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
1373                                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),2)) as maxlat,";
1374                                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon";
1375                                         if ($this->bIncludePolygonAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
1376                                         if ($this->bIncludePolygonAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
1377                                         if ($this->bIncludePolygonAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
1378                                         if ($this->bIncludePolygonAsText || $this->bIncludePolygonAsPoints) $sSQL .= ",ST_AsText(geometry) as astext";
1379                                         $sSQL .= " from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
1380                                         $aPointPolygon = $this->oDB->getRow($sSQL);
1381                                         if (PEAR::IsError($aPointPolygon))
1382                                         {
1383                                                 failInternalError("Could not get outline.", $sSQL, $aPointPolygon);
1384                                         }
1385
1386                                         if ($aPointPolygon['place_id'])
1387                                         {
1388                                                 if ($this->bIncludePolygonAsGeoJSON) $aResult['asgeojson'] = $aPointPolygon['asgeojson'];
1389                                                 if ($this->bIncludePolygonAsKML) $aResult['askml'] = $aPointPolygon['askml'];
1390                                                 if ($this->bIncludePolygonAsSVG) $aResult['assvg'] = $aPointPolygon['assvg'];
1391                                                 if ($this->bIncludePolygonAsText) $aResult['astext'] = $aPointPolygon['astext'];
1392
1393                                                 if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null )
1394                                                 {
1395                                                         $aResult['lat'] = $aPointPolygon['centrelat'];
1396                                                         $aResult['lon'] = $aPointPolygon['centrelon'];
1397                                                 }
1398
1399                                                 if ($this->bIncludePolygonAsPoints)
1400                                                 {
1401                                                         // Translate geometary string to point array
1402                                                         if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
1403                                                         {
1404                                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1405                                                         }
1406                                                         elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
1407                                                         {
1408                                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1409                                                         }
1410                                                         elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['astext'],$aMatch))
1411                                                         {
1412                                                                 $fRadius = 0.01;
1413                                                                 $iSteps = ($fRadius * 40000)^2;
1414                                                                 $fStepSize = (2*pi())/$iSteps;
1415                                                                 $aPolyPoints = array();
1416                                                                 for($f = 0; $f < 2*pi(); $f += $fStepSize)
1417                                                                 {
1418                                                                         $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
1419                                                                 }
1420                                                                 $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
1421                                                                 $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
1422                                                                 $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
1423                                                                 $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
1424                                                         }
1425                                                 }
1426
1427                                                 // Output data suitable for display (points and a bounding box)
1428                                                 if ($this->bIncludePolygonAsPoints && isset($aPolyPoints))
1429                                                 {
1430                                                         $aResult['aPolyPoints'] = array();
1431                                                         foreach($aPolyPoints as $aPoint)
1432                                                         {
1433                                                                 $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1434                                                         }
1435                                                 }
1436                                                 $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1437                                         }
1438                                 }
1439
1440                                 if ($aResult['extra_place'] == 'city')
1441                                 {
1442                                         $aResult['class'] = 'place';
1443                                         $aResult['type'] = 'city';
1444                                         $aResult['rank_search'] = 16;
1445                                 }
1446
1447                                 if (!isset($aResult['aBoundingBox']))
1448                                 {
1449                                         // Default
1450                                         $fDiameter = 0.0001;
1451
1452                                         if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1453                                                         && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1454                                         {
1455                                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defzoom'];
1456                                         }
1457                                         elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1458                                                         && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1459                                         {
1460                                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
1461                                         }
1462                                         $fRadius = $fDiameter / 2;
1463
1464                                         $iSteps = max(8,min(100,$fRadius * 3.14 * 100000));
1465                                         $fStepSize = (2*pi())/$iSteps;
1466                                         $aPolyPoints = array();
1467                                         for($f = 0; $f < 2*pi(); $f += $fStepSize)
1468                                         {
1469                                                 $aPolyPoints[] = array('',$aResult['lon']+($fRadius*sin($f)),$aResult['lat']+($fRadius*cos($f)));
1470                                         }
1471                                         $aPointPolygon['minlat'] = $aResult['lat'] - $fRadius;
1472                                         $aPointPolygon['maxlat'] = $aResult['lat'] + $fRadius;
1473                                         $aPointPolygon['minlon'] = $aResult['lon'] - $fRadius;
1474                                         $aPointPolygon['maxlon'] = $aResult['lon'] + $fRadius;
1475
1476                                         // Output data suitable for display (points and a bounding box)
1477                                         if ($this->bIncludePolygonAsPoints)
1478                                         {
1479                                                 $aResult['aPolyPoints'] = array();
1480                                                 foreach($aPolyPoints as $aPoint)
1481                                                 {
1482                                                         $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1483                                                 }
1484                                         }
1485                                         $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1486                                 }
1487
1488                                 // Is there an icon set for this type of result?
1489                                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1490                                                 && $aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1491                                 {
1492                                         $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
1493                                 }
1494
1495                                 if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['label'])
1496                                                 && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['label'])
1497                                 {
1498                                         $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['label'];
1499                                 }
1500                                 elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1501                                                 && $aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1502                                 {
1503                                         $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type']]['label'];
1504                                 }
1505
1506                                 if ($this->bIncludeAddressDetails)
1507                                 {
1508                                         $aResult['address'] = getAddressDetails($this->oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code']);
1509                                         if ($aResult['extra_place'] == 'city' && !isset($aResult['address']['city']))
1510                                         {
1511                                                 $aResult['address'] = array_merge(array('city' => array_shift(array_values($aResult['address']))), $aResult['address']);
1512                                         }
1513                                 }
1514
1515                                 // Adjust importance for the number of exact string matches in the result
1516                                 $aResult['importance'] = max(0.001,$aResult['importance']);
1517                                 $iCountWords = 0;
1518                                 $sAddress = $aResult['langaddress'];
1519                                 foreach($aRecheckWords as $i => $sWord)
1520                                 {
1521                                         if (stripos($sAddress, $sWord)!==false) $iCountWords++;
1522                                 }
1523
1524                                 $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
1525
1526                                 $aResult['name'] = $aResult['langaddress'];
1527                                 $aResult['foundorder'] = -$aResult['addressimportance'];
1528                                 $aSearchResults[$iResNum] = $aResult;
1529                         }
1530                         uasort($aSearchResults, 'byImportance');
1531
1532                         $aOSMIDDone = array();
1533                         $aClassTypeNameDone = array();
1534                         $aToFilter = $aSearchResults;
1535                         $aSearchResults = array();
1536
1537                         $bFirst = true;
1538                         foreach($aToFilter as $iResNum => $aResult)
1539                         {
1540                                 if ($aResult['type'] == 'adminitrative') $aResult['type'] = 'administrative';
1541                                 $this->aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
1542                                 if ($bFirst)
1543                                 {
1544                                         $fLat = $aResult['lat'];
1545                                         $fLon = $aResult['lon'];
1546                                         if (isset($aResult['zoom'])) $iZoom = $aResult['zoom'];
1547                                         $bFirst = false;
1548                                 }
1549                                 if (!$this->bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
1550                                                         && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']])))
1551                                 {
1552                                         $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
1553                                         $aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']] = true;
1554                                         $aSearchResults[] = $aResult;
1555                                 }
1556
1557                                 // Absolute limit on number of results
1558                                 if (sizeof($aSearchResults) >= $this->iFinalLimit) break;
1559                         }
1560
1561                         return $aSearchResults;
1562
1563                 } // end lookup()
1564
1565
1566         } // end class
1567
1568
1569 /*
1570                 if (isset($_GET['route']) && $_GET['route'] && isset($_GET['routewidth']) && $_GET['routewidth'])
1571                 {
1572                         $aPoints = explode(',',$_GET['route']);
1573                         if (sizeof($aPoints) % 2 != 0)
1574                         {
1575                                 userError("Uneven number of points");
1576                                 exit;
1577                         }
1578                         $sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
1579                         $fPrevCoord = false;
1580                 }
1581 */