public function actionIndex($parent_id = 1)
{
$searchModel = new BackendMenu();
$searchModel->parent_id = $parent_id;
$params = Yii::$app->request->get();
$dataProvider = $searchModel->search($params);
$model = null;
if ($parent_id > 0) {
$model = BackendMenu::findOne($parent_id);
}
return $this->render('index', ['dataProvider' => $dataProvider, 'searchModel' => $searchModel, 'model' => $model]);
}
