public function ExpeledGroupList() { if (isset($this->_cache['ExpeledGroupList'])) { return $this->_cache['ExpeledGroupList']; } $list = $this->models->InstanceClass('GroupList'); $rows = RecordBookQuery::ExpeledGroupList($this->db); while ($dd = $this->db->fetch_array($rows)) { $list->Add($this->models->InstanceClass('GroupItem', $dd)); } return $this->_cache['ExpeledGroupList'] = $list; }