frontend\controllers\IController::actionRemoveEmail PHP Method

    public function actionRemoveEmail()
    {
        $user = Yii::$app->user->identity;
        $user->email = null;
        if ($user->save(false)) {
            Yii::$app->session->setFlash('success', '邮箱已成功解除绑定。');
        }
        return $this->redirect(['email']);
    }