For the below code , i don't want the password field to have the same value of currentPassword field. The desired output is to show some validation error like "password & currentPassword canot be the same" ,when one types same value for both password & currentPassword fields. To be more precise, it should work in opposite of the rule - same does.

$validator = Validator::make(
            $request->all(),
            [
                'currentPassword'     => 'required',
                'password' => 'required|min:6|confirmed',
            ]
        );