public static function isChildIndustrial($IndustrialId, $ChildIndustrialId) { $ischild = false; $obj_retResult = DAL_manageIndustrial::getIndustrialListByIndustrialId($ChildIndustrialId); //get child node if ($obj_retResult->type == 1) { $arr_IndustrialList = $obj_retResult->data; $obj_Industrial = $arr_IndustrialList[0]; $arrParentIds = explode(",", $obj_Industrial->Url); foreach ($arrParentIds as $IndustrialParentId) { if ($IndustrialParentId == $IndustrialId) { $ischild = true; } } } return $ischild; }