/** * Fetch TpProject which references this Logins. Will return null in case reference is invalid. * `logins`.`tp_project` -> `tp_project`.`id` * * @param PDO $db a PDO Database instance * @param array $sort array of DSC instances * @return TpProject */ public function fetchTpProject(PDO $db, $sort = null) { $filter = array(TpProject::FIELD_ID => $this->getTpProject()); $result = TpProject::findByFilter($db, $filter, true, $sort); return empty($result) ? null : $result[0]; }