//AppServiceProvider.php
Validator::extend('current_password', function ($attribute, $value, $parameters, $validator) {
return Hash::check($value, auth()->user()->password);
}, "Неверный пароль, попробуйте еще раз!");
//controller
$validatedData = $request->validate([
'old_password' => 'required|string|current_password',
]);
//...