public function executeAutoCompleteAirSourceName(sfWebRequest $request) { $params = $request->getPostParameters(); foreach ($params as $key => $param) { if (substr($key, 0, 13) == 'airport_name_') { $this->keyword = $this->getRequestParameter($key); break; } } $this->airport_names = AirportPeer::getByAirportName($this->keyword); }