Alexis22,
/*
-----------------------------------------------------------------
Счетчик посетителей онлайн
-----------------------------------------------------------------
*/
static function online()
{
$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);
$sum = $users + $guest;
return (core::$user_id || core::$system_set['active'] ? '<a href="' . core::$system_set['homeurl'] . '/users/index.php?act=online">' . functions::image('menu_online.png').$sum . '</a>' : core::$lng['online'].$sum);
}