Problema assurdo con $_FILES!!

[filippo.toso]

A me funziona perfettamente:

<form enctype="multipart/form-data" method="POST" action="<?php print($_SERVER['PHP_SELF'] . '?test=1'); ?>">
   Send this file: <input name="userfile" type="file" />
   <input type="submit" />
</form>
<pre>
<?php 
print_r($_GET);
print_r($_FILES);
?>
</pre>