Ограничить доступ к кнопке - Joomla 3.x: Общие вопросы

$o .= '<input class="btn pd-button-download" type="submit" name="submit" id="pdlicensesubmit" value="'.JText::_('COM_PHOCADOWNLOAD_DOWNLOAD').'" />';

$user = JFactory::getUser();
$groups = $user->get('groups');

if (in_array(10, $groups)) {
$o .= '<input class="btn pd-button-download" type="submit" name="submit" id="pdlicensesubmit" value="'.JText::_('COM_PHOCADOWNLOAD_DOWNLOAD').'" />';
}