<?php 
#Проверка браузера и выдача темы (web или wap версии)

if (strstr($_SERVER["HTTP_USER_AGENT"], "MSIE")) {
    $IE = true;
}

if (isset($_COOKIE['theme']) != 'wap' && isset($_COOKIE['theme']) != 'pda' && isset($_COOKIE['theme']) != 'web' && ((stristr($_SERVER['HTTP_USER_AGENT'],'windows') || stristr($_SERVER['HTTP_USER_AGENT'],'linux') ||
    stristr($_SERVER['HTTP_USER_AGENT'],'macintosh') || stristr($_SERVER['HTTP_USER_AGENT'],'unix') ||
    stristr($_SERVER['HTTP_USER_AGENT'],'macos') || stristr($_SERVER['HTTP_USER_AGENT'],'bsd'))) && !$IE)
{
 setcookie('theme', 'web', time() + 3600 * 24 * 365);
 header('Location: http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?ok');
}

?>