itwap,
static function online()
{
$uu = mysql_query("SELECT `id`, `name`, `datereg` FROM `users` WHERE `preg` = 1 ORDER BY `datereg` DESC LIMIT 1");
$lu = mysql_fetch_array($uu);
$total = mysql_result(mysql_query("SELECT COUNT(*) FROM `users`"), 0);
$users = mysql_result(mysql_query("SELECT COUNT(*) FROM `users` WHERE `lastdate` > '" . (time() - 300) . "'"), 0);
$guests = mysql_result(mysql_query("SELECT COUNT(*) FROM `cms_sessions` WHERE `lastdate` > '" . (time() - 300) . "'"), 0);
return (core::$user_id || core::$system_set['active'] ? '<a href="' . core::$system_set['homeurl'] . '/users/index.php?act=online">' . core::$lng['online'] . ': ' . ($users + $guests) . '</a><br />всего: '.$total.', последний: <a href="/users/profile.php?user='.$lu['id'].'">'.$lu['name'].'</a>' : core::$lng['online'] . ': ' . ($users + $guests).'<br />всего: '.$total.', последний: '.$lu['name']);
}