Laravel password validation fail on "min length" if empty

Question

My validator rule looks like this:

$validator = Validator::make($request->all(), [
        'name'     => 'required|min:5|max:255',
        'email'    => [
            'required',
            'max:255',
            'email',
            Rule::unique('users')->ignore($id),
        ],
        'password' => 'min:6|confirmed',
    ], [
        'confirmed' => 'Hasło musi się zgadzać',
        'unique'    => 'Wpisz inny adres email, ten adres jest zajęty',
        'required'  => 'To pole jest wymagane.',
        'min'       => 'To pole musi mieć minimum :min znaków.',
    ]);

    if ($validator->fails()) {
        return redirect('/panel/users/'.$id.'/edit')
            ->withErrors($validator)
            ->withInput();
    }

When i edit user without change password, validator fails with 'min' rule. As you can see my validator doesnt require password, so why it validating?

Answer 1

use nullable rule

'nullable|min:6|confirmed'

Answer 2

It's look like what you want.

$validator->sometimes('password', 'min:6|confirmed', function ($input) {
    return (strlen($input->password) > 0);
});