$old = [200 => 'q', 450 => 'w', 648 => 'e'];
        $new = [200 => 'q', 648 => 'e', 0 => 'yep', 1 => 'yep1'];
        $deleteCreate = array_diff_key($old, $new) + array_diff_key($new, $old);
        $toUpdate = array_diff_key($new, $deleteCreate);