private static function getGroupPath($groupId)
{
if (empty(JAccess::$_userGroups)) {
$db = JFactory::getDBO();
$query = "SELECT parent.id, parent.lft, parent.rgt\n FROM #__core_acl_aro_groups AS parent ORDER BY parent.lft";
$db->setQuery($query);
JAccess::$_userGroups = $db->loadObjectList('id');
}
if (!array_key_exists($groupId, JAccess::$_userGroups)) {
return array();
}
if (!isset(JAccess::$_userGroupPaths[$groupId])) {
JAccess::$_userGroupPaths[$groupId] = array();
foreach (JAccess::$_userGroups as $group) {
if ($group->lft <= JAccess::$_userGroups[$groupId]->lft && $group->rgt >= JAccess::$_userGroups[$groupId]->rgt) {
JAccess::$_userGroupPaths[$groupId][] = $group->id;
}
}
}
return JAccess::$_userGroupPaths[$groupId];
}