Kaikilla palvelimella on register_globals = off, joten kannattaa tutustua seuraavaan:

http://fi2.php.net/register_globals

Toimiva emulate koodi:

http://www.daniweb.com/code/snippet484.html

[CODE]
<?php
// Emulate register_globals on
if (!ini_get('register_globals')) {
    $superglobals = array($_SERVER, $_ENV,
        $_FILES, $_COOKIE, $_POST, $_GET);
    if (isset($_SESSION)) {
        array_unshift($superglobals, $_SESSION);
    }
    foreach ($superglobals as $superglobal) {
        extract($superglobal, EXTR_SKIP);
    }
    ini_set('register_globals', true);
}
?>
[/CODE]