Contao\Controller::optionChecked PHP Method

    public static function optionChecked($strOption, $varValues)
    {
        @trigger_error('Using Controller::optionChecked() has been deprecated and will no longer work in Contao 5.0. Use Widget::optionChecked() instead.', E_USER_DEPRECATED);
        return \Widget::optionChecked($strOption, $varValues);
    }