генератор карт

<?php
$html = glob("*html");
$html = array_diff($html, array('index.html'));
srand(crc32(md5($_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'])));
$limit = rand(25,35);
shuffle($html);
$html = array_slice($html, 0, $limit);
foreach($html as $page){
        list($name, $ext) = explode(".", $page);
        $name = str_replace("-", " ", $name);
        echo "<a href=\"/${page}\">${name}</a></br>\n";
}