name input html con rand()

[filippo.toso]

Studiati questo codice:

<?php $rand = substr(md5(microtime()), 0, 10); ?>
<form method="post">
  <input type="hidden" name="rand" value="<?php echo($rand); ?>" />

  Name: <input type="text" name="<?php echo($rand); ?>[name]" value="Mario" />

  Surname: <input type="text" name="<?php echo($rand); ?>[surname]" value="Rosso" />

  <input type="submit" />
</form>
<pre>
<?php 
$fields = isset($_POST['rand']) && isset($_POST[$_POST['rand']]) ? $_POST[$_POST['rand']] : array();
print_r($fields);
?>
</pre>