App\Http\Controllers\Auth\AuthController::validator PHP Method

    public function validator(array $data)
    {
        return Validator::make($data, ['name' => 'required|max:255', 'email' => 'required|email|max:255|unique:users', 'password' => 'required|confirmed|min:6']);
    }

 /**
  * Store a newly created resource in storage.
  *
  * @param AuthController $auth
  * @internal param Request $request
  * @return Response
  */
 public function store(AuthController $auth)
 {
     $data = Input::all();
     $valid = $auth->validator($data);
     if ($valid->fails()) {
         return redirect()->back()->withInput()->withErrors($valid);
     }
     $user = $auth->create($data);
     Auth::login($user);
     return redirect()->to('admin');
 }