App\Http\Controllers\User\Settings\GroupController::updateJoinGroup PHP Méthode

    public function updateJoinGroup(Request $request)
    {
        $this->validate($request, ['join_group' => 'required']);
        $groupId = $request->get('join_group');
        $joinConfig = \app('xe.config')->get('user.join');
        $joinConfig->set('joinGroup', $groupId);
        \app('xe.config')->modify($joinConfig);
        return XePresenter::makeApi(['type' => 'success', 'message' => '기본 가입 그룹이 변경되었습니다.', 'groupId' => $groupId]);
    }