App\Http\Controllers\User\Settings\UserController::update PHP Method

    public function update($id, Request $request)
    {
        /** @var UserInterface $user */
        $user = $this->handler->users()->with('groups', 'emails', 'accounts')->find($id);
        if ($user === null) {
            $e = new InvalidArgumentHttpException();
            $e->setMessage('존재하지 않는 회원입니다.');
            throw $e;
        }
        // default validation
        $this->validate($request, ['email' => 'email', 'displayName' => 'required', 'rating' => 'required', 'status' => 'required', 'password' => 'password']);
        $userData = $request->except('_token');
        XeDB::beginTransaction();
        try {
            $this->handler->update($user, $userData);
        } catch (\Exception $e) {
            XeDB::rollback();
            throw $e;
        }
        XeDB::commit();
        return redirect()->back()->with('alert', ['type' => 'success', 'message' => '수정되었습니다.']);
    }