yii\web\Controller::refresh PHP Метод

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refresh() публичный Метод

This method is a shortcut to [[Response::refresh()]]. You can use it in an action by returning the Response directly: php stop executing this action and refresh the current page return $this->refresh();
public refresh ( string $anchor = '' ) : Response
$anchor string the anchor that should be appended to the redirection URL. Defaults to empty. Make sure the anchor starts with '#' if you want to specify it.
Результат Response the response object itself 
    public function refresh($anchor = '')
    {
        return Yii::$app->getResponse()->redirect(Yii::$app->getRequest()->getUrl() . $anchor);
    }
Controller
asJson
asXml
beforeAction
bindActionParams
goBack
goHome
redirect
refresh
renderAjax