function updateCommunityUserGroup($userId, $oldGroup, $newGroup) { // remove from oldGroup if ($oldGroup && self::_isMemberOfGroup($userId, $oldGroup)) { XiptLibJomsocial::_removeUserFromGroup($userId, $oldGroup); } // add to newGroup if ($newGroup && self::_isMemberOfGroup($userId, $newGroup) == false) { XiptLibJomsocial::_addUserToGroup($userId, $newGroup); } // add to new group return true; }