App\Http\Controllers\User\UserController::addMail PHP Method

    public function addMail(Request $request)
    {
        $input = $request->only('address');
        // validation
        $this->validate($request, ['address' => 'email|required'], [], ['address' => xe_trans('xe::email')]);
        // 이미 인증 요청중인 이메일이 있는지 확인한다.
        $useEmailConfirm = $this->handler->usingEmailConfirm();
        if ($useEmailConfirm) {
            if ($this->user->getPendingEmail() !== null) {
                $e = new PendingEmailAlreadyExistsException();
                throw new HttpException(400, $e->getMessage(), $e);
            }
        }
        // 이미 존재하는 이메일이 있는지 확인한다.
        if ($this->emails->findByAddress($input['address'])) {
            $e = new MailAlreadyExistsException();
            throw new HttpException(400, $e->getMessage(), $e);
        }
        //array_set($input, 'userId', $this->user->getId());
        XeDB::beginTransaction();
        try {
            $mail = $this->handler->createEmail($this->user, $input, !$useEmailConfirm);
            if ($useEmailConfirm) {
                /** @var EmailBroker $broker */
                $broker = app('xe.auth.email');
                $broker->sendEmailForConfirmation($mail);
            }
        } catch (\Exception $e) {
            XeDB::rollback();
            throw $e;
        }
        XeDB::commit();
        \Session::flash('alert', ['type' => 'success', 'message' => '추가되었습니다.']);
        return XePresenter::makeApi(['message' => '추가되었습니다']);
    }