public function getWokrorderByProject($projId) { try { if ($projId != null) { $workorder = Workorder::getWokrorderByProject($projId); // possible user loading method if ($workorder !== null) { echo AppUtil::getReturnStatus("Successful", $workorder); } else { echo AppUtil::getReturnStatus("Unsuccessful", "Database Error Occurred"); } } else { echo AppUtil::getReturnStatus("Unsuccessful", "Project value is empty"); } } catch (Exception $e) { echo AppUtil::getReturnStatus("Unsuccessful", $e->getMessage()); } }