/** * Finds the Withholding model based on its primary key value. * If the model is not found, a 404 HTTP exception will be thrown. * @param integer $withholding_id * @param integer $scholar_scholar_id * @param integer $scholar_school_school_id * @param string $scholar_allowance_allowance_area * @return Withholding the loaded model * @throws NotFoundHttpException if the model cannot be found */ protected function findModel($id) { if (($model = Withholding::findOne($id)) !== null) { return $model; } else { throw new NotFoundHttpException('The requested page does not exist.'); } }