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