$Rn = $lastpostinfo['lastposter'];
                                        $Ru = $vbulletin->db->query_first_slave("SELECT usergroupid FROM " . TABLE_PREFIX . "user WHERE username = '".addslashes($Rn)."'");
                                        $Ri = $Ru['usergroupid'];
                                        $Ro = $vbulletin->usergroupcache["$Ri"]['opentag'];
                                        $Rc = $vbulletin->usergroupcache["$Ri"]['closetag'];
                                        $lastpostinfo['lastposter'] = "$Ro $Rn $Rc";