/**
* Recursive helper function for sub user group determination.
* This function does the actual determination of the user subgroups.
*
* @author Martin Helmich <*****@*****.**>
* @version 2007-11-24
* @param mixed $group Same as the parameter of getSubUserGroups.
* @return string A part of the user group list.
* @deprecated Not in use
*/
function getSubUserGroupsR($group)
{
$result = '';
if (strstr($group, ',') !== false) {
$groups = GeneralUtility::intExplode(',', $group);
foreach ($groups as $sGroup) {
$result .= tx_mmforum_tools::getSubUserGroupsR($sGroup);
}
} else {
$groupData = tx_mmforum_tools::getUserGroup($group);
if (strlen($groupData['subgroup']) > 0) {
$result = $group . ',' . tx_mmforum_tools::getSubUserGroupsR($groupData['subgroup']) . ',';
} else {
$result = $group . ',';
}
}
return $result;
}