/** * Description : Retrieve the element from data base * * @param String $idProduction : The id of a production * @param String $idElement : The id of an element * @return : Returns an element objet or null in case of fail */ public function retrieveElement($idProduction, $idElement) { try { $criteria = new Criteria(); $criteria->add(ElementPeer::PRODUCTION_ID, $idProduction); $criteria->add(ElementPeer::ID, $idElement); return ElementPeer::doSelectOne($criteria); } catch (Exception $e) { return null; } }