скачать код с ббкода [php]

$charset = 'utf-8';
mb_internal_encoding($charset);
header('Content-Type: text/html; charset=' . $charset);
ob_start();  
// тут произвольный код
echo $out;  
header ('Content-Type: application/octet-stream');
header('Content-Description: inline; File Transfer'); 
header('Content-Disposition: attachment; filename="book' . time() . '.' . $type . '";', false); 
header('Content-Transfer-Encoding: binary'); 
header('Content-Length: ' . ob_get_length());
ob_flush();
flush();