function gc($maxlifetime)
{
$expire = time() - intval($maxlifetime);
$sql = 'DELETE FROM c_session WHERE sess_time < ? AND sess_name = ?';
$params = array($expire, $this->sess_name());
$res =& $this->db->query($sql, $params);
if (DB::isError($res)) {
return false;
}
return (bool) $res;
}
function db_escapeIdentifier($str)
{
return OpenPNE_DB::escapeIdentifier($str);
}