UserProfileForm::rules PHP Метод

    public function rules()
    {
        return array(array('display_name, email', 'required'), array('display_name', 'length', 'max' => 255), array('email', 'length', 'max' => 128), array('email', 'email', 'message' => t('Email is not valid')), array('email', 'checkEmailValid'), array('bio', 'length', 'max' => 1500), array('birthday_month', 'in', 'range' => array('january', 'febuary', 'march', 'april', 'may', 'june', 'july', 'august', 'september', 'october', 'november', 'december')), array('birthday_day', 'numerical'), array('birthday_year', 'numerical'), array('gender', 'length', 'max' => '10'), array('location', 'length', 'max' => '100'));
    }