request validate file laravel
$validated = $request->validated();
use this:
    public function createAccount(RegisterRequest $request)
    {
        $attr = $request->validated();
instead of :
    public function createAccount(Request $request)
    {
        $attr = $request->validate([
            'name' => 'required|string|max:255',
            'email' => 'required|string|email|unique:users,email',
            'password' => 'required|string|min:6|confirmed'
        ]);
php artisan make:request RegisterRequest
    public function rules()
    {
        return [
            'name' => 'required|string|max:255',
            'email' => 'required|string|email|unique:users,email',
            'password' => 'required|string|min:6|confirmed'
        ];
    }
