acv56

public function actionUpdate($id)
{
    $model = $this->findModel($id);
    if ($model->load(Yii::$app->request->post()) && $model->validate()) {
        $model->save();
        return $this->redirect(['view', 'id' => $model->id]);
    } else {
        return $this->render('update', ['model' => $model]);
    }
}