Не работает переадресация при Logout (компонент Improved AJAX Login) - Joomla 3.x: Общие вопросы

<form action="<?php echo JRoute::_('index.php?option=com_users&task=user.logout')?>" method="post" name="ialLogout" class="ial-logout hidden">
        
      <input type="hidden" value="com_users" name="option" />
      <input type="hidden" value="user.logout" name="task" />
  	<input type="hidden" name="return" value="<?php echo $return; ?>" />
    	<?php echo JHtml::_('form.token')?>
    	
  	</form>

$user = JFactory::getUser();
$guest = $user->get('guest', 0);
$return = JRequest::getVar('return', '');
if ($return) { // fix for redirect to private area on J!348
  $url = call_user_func('base'.'64_decode', $return);
  if (!preg_match('/^http/i', $url)) {
    $url = JFactory::getURI()->toString(array('scheme', 'host', 'port')). $url;
    $return = call_user_func('base'.'64_encode', $url);
  }
} else {
  $itemid = $params->get($guest? 'login' : 'logout');
  if ($itemid) {
    if (version_compare(JVERSION,'3.4.6','ge')) {
      $url = "index.php?Itemid=".$itemid;
    } else {
      $item = JFactory::getApplication()->getMenu()->getItem($itemid);      
      if ($item) $url = JRoute::_($item->link.(strpos($item->link, '?')?'&':'?').'Itemid='.$itemid, false);      
      // stay on the same page
      else $url = JFactory::getURI()->toString(array('scheme', 'host', 'port', 'path', 'query', 'fragment'));      
    } // stay on the same page
  } else $url = JFactory::getURI()->toString(array('scheme', 'host', 'port', 'path', 'query', 'fragment')); 
  $return = call_user_func('base'.'64_encode', $url);
}