<?php
    require "./cache.php"; // our cache code

    // Simple guestbook script.
    $db = new sqlite_db("gb.sqlite");
    $r = $db->array_query("SELECT * FROM guestbook", SQLITE_ASSOC);
    foreach ($r as $row) {
        echo $r->user . ' wrote on ' . date("Ymd", $r->date) . ":<br />\n";
        echo $r->message . "<hr /><hr />";
    }
?>

# Add to .htaccess
php_value auto_prepend_file "/path/to/cache.php"

# Or to virtual host entry in httpd.conf
php_admin_value auto_prepend_file "/path/to/cache.php"