amnah\yii2\user\components\User::getIsGuest PHP Méthode

    public function getIsGuest()
    {
        /** @var \amnah\yii2\user\models\User $user */
        // check if user is banned. if so, log user out and redirect home
        // https://github.com/amnah/yii2-user/issues/99
        $user = $this->getIdentity();
        if ($user && $user->banned_at) {
            $this->logout();
            Yii::$app->getResponse()->redirect(['/'])->send();
        }
        return $user === null;
    }