In YII2 validation rules I need something opposite to compare

Question

I need to compare new password with old one that they are unequal it`s a code where new password and password confirm compares, but what I can do for my matter?

['password_confirm', 'compare', 'compareAttribute'=>'password_new', 'message'=>"пароль и подтверждение пароля не совпадает" ],

Answer 1

I found a resolusion:

    public function rules()
    {
        return [
['password_new', 'in', 'range' => [$this->password_current], 'not' => true, 'message'=>"new password equals with old one"]
];
    }