function display_file($url, $timeout = 10, $useragent = null)
{
$file = new SimplePie_File($url, $timeout, 5, array('X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']), $useragent);
$headers = $file->headers();
if ($file->body() !== false) {
header('Content-type: ' . $headers['content-type']);
echo $file->body();
exit;
}
}
