function getMemberIDs($offset = 0, $limit = null) { $gm = new Group_member(); $gm->selectAdd(); $gm->selectAdd('profile_id'); $gm->group_id = $this->id; $gm->orderBy('created DESC'); if (!is_null($limit)) { $gm->limit($offset, $limit); } $ids = array(); if ($gm->find()) { while ($gm->fetch()) { $ids[] = $gm->profile_id; } } return $ids; }