<?php
$log = mysql_result(mysql_query("SELECT COUNT(*) FROM `logs` WHERE `ip` = INET_ATON('$_ip') AND `date` = CURRENT_DATE()"),0);

if($log < 1 AND isset($_COOKIE['stat'])) $log = 1; else setcookie('stat', base64_encode('sexoff.net'), TIME + 3600 * 24, '/');

if($log > 0)
{
//юзер уже был у нас
mysql_query("UPDATE `logs` SET `click` = `click` + 1 WHERE `ip` = INET_ATON('$_ip') AND `date` = CURRENT_DATE()");
}
else
{
//такого IP еще не было
mysql_query("INSERT INTO `logs` VALUES (INET_ATON('$_ip'), '$_ua', CURRENT_DATE(), 1)");
$hosts = mysql_result(mysql_query("SELECT COUNT(*) FROM `counters` WHERE `date` = CURRENT_DATE()"),0);
if($hosts > 0)
{
//новый юзер за день
mysql_query("UPDATE `counters` SET `hosts` = `hosts` + 1 WHERE `date` = CURRENT_DATE()");
}
else
{
//начинаем новый день
mysql_query("INSERT INTO `counters` VALUES (1, 1, CURRENT_DATE())");
}
}
//увеличиваем статистику
mysql_query("UPDATE `counters` SET `hits` = `hits` + 1 WHERE `date` = CURRENT_DATE()");

?>