/**
  * Add state and region to city container.
  * 
  * @param array $currentCity - description of city name, socr and code
  * @param PearDatabase $db
  */
 private function selectCityStateAndRegion(&$currentCity, $db)
 {
     /* Get lelvel 1 location for current entity of level 3-4 */
     $firstLevelLocationCode = substr($currentCity["cityCode"], 0, 2) . "00000000000";
     $firstLevelLocationResult = $db->pquery("select name, socr FROM sp_kladr WHERE code=?", array($firstLevelLocationCode));
     if ($firstLevelLocationRow = $db->fetch_row($firstLevelLocationResult)) {
         $currentCity["stateName"] = $firstLevelLocationRow["name"];
         $currentCity["stateSocr"] = $firstLevelLocationRow["socr"];
     }
     /* Get lelvel 2 location for current entity of level 3-4 */
     $currentCity["regionName"] = "";
     $currentCity["regionSocr"] = "";
     $secondLevelLocationCode = substr($currentCity["cityCode"], 0, 5) . "00000000";
     $secondLevelLocationResult = $db->pquery("select name, socr FROM sp_kladr WHERE code=? " . "AND socr IN (select scname FROM sp_kladr_socrbase WHERE level=2)", array($secondLevelLocationCode));
     if ($secondLevelLocationRow = $db->fetch_row($secondLevelLocationResult)) {
         $currentCity["regionName"] = $secondLevelLocationRow["name"];
         $currentCity["regionSocr"] = $secondLevelLocationRow["socr"];
     }
 }