function _DONEBYToString($rid) { $s = ''; $act = new Request(); $act->where("pid={$rid}"); $act->_execute(); for ($i = 0; $i < $act->count; $i++) { if ($i > 0) { $s .= ', '; } $u = new User($act->saprname[$i]); $s .= $u->cn; } return $s; }