public static function isChildPerson_vocationaltraining($VocationalTrainId, $ChildVocationalTrainId) { $ischild = false; $obj_retResult = DAL_managePerson_vocationaltraining::getPerson_vocationaltrainingListByVocationalTrainId($ChildVocationalTrainId); //get child node if ($obj_retResult->type == 1) { $arr_Person_vocationaltrainingList = $obj_retResult->data; $obj_Person_vocationaltraining = $arr_Person_vocationaltrainingList[0]; $arrParentIds = explode(",", $obj_Person_vocationaltraining->Url); foreach ($arrParentIds as $Person_vocationaltrainingParentId) { if ($Person_vocationaltrainingParentId == $VocationalTrainId) { $ischild = true; } } } return $ischild; }