mdm\admin\models\Route::invalidate PHP Méthode

    public static function invalidate()
    {
        if (Configs::cache() !== null) {
            TagDependency::invalidate(Configs::cache(), self::CACHE_TAG);
        }
    }

 /**
  * Refresh cache
  * @return type
  */
 public function actionRefresh()
 {
     $model = new Route();
     $model->invalidate();
     Yii::$app->getResponse()->format = 'json';
     return $model->getRoutes();
 }