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