Просмотр поста

сделал так...

$period = 120;

$totalall = mysql_result(mysql_query("SELECT COUNT(*) FROM `users` WHERE `id`"), 0);
mysql_query("UPDATE `users` SET `lastdate` = '$realtime' WHERE `total_on_site` < '".$period."' AND `id`='".rand(1,$totalall)."' LIMIT 1;");