App\Http\Controllers\AuthController::handleRegister PHP Method

    public function handleRegister(Request $request, UserRepository $users)
    {
        if (!$this->checkCaptcha($request)) {
            return json(trans('auth.validation.captcha'), 1);
        }
        $this->validate($request, ['email' => 'required|email', 'password' => 'required|min:8|max:16', 'nickname' => 'required|nickname|max:255']);
        if (!option('user_can_register')) {
            return json(trans('auth.register.close'), 7);
        }
        // If amount of registered accounts of IP is more than allowed amounts,
        // then reject the register.
        if (User::where('ip', $request->ip())->count() < option('regs_per_ip')) {
            // Register a new user.
            // If the email is already registered,
            // it will return a false value.
            $user = User::register($request->input('email'), $request->input('password'), function ($user) use($request) {
                $user->ip = $request->ip();
                $user->score = option('user_initial_score');
                $user->register_at = Utils::getTimeFormatted();
                $user->last_sign_at = Utils::getTimeFormatted(time() - 86400);
                $user->permission = User::NORMAL;
                $user->nickname = $request->input('nickname');
            });
            if (!$user) {
                return json(trans('auth.register.registered'), 5);
            }
            event(new Events\UserRegistered($user));
            return json(['errno' => 0, 'msg' => trans('auth.register.success'), 'token' => $user->getToken()])->withCookie('uid', $user->uid, 60)->withCookie('token', $user->getToken(), 60);
        } else {
            return json(trans('auth.register.max', ['regs' => option('regs_per_ip')]), 7);
        }
    }