problema risolto se vi interessa:
Codice PHP:
if (isset ($_POST["nome_file"])) $filename= addslashes($_POST["nome_file"]).".sql"; else $filename= "salva.sql";
$f = fopen($filename, "w+");
fwrite($f, $contenuto);
fclose($f);
$input_file = $filename;
$download_size = filesize($input_file);
$filename = basename($input_file);
if(ereg("MSIE ([0-9].[0-9]{1,2})", $_SERVER["HTTP_USER_AGENT"])) {
header("Content-Type: application/octetstream");
header("Content-Disposition: inline; filename=$filename");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Pragma: public");
header("Content-Length: $download_size");
} else {
header("Content-Type: application/octet-stream");
header("Content-Disposition: attachment; filename=$filename");
header("Expires: 0");
header("Pragma: no-cache");
header("Content-Length: $download_size");
}
readfile($input_file);
unlink ($input_file);//cancello il file temporaneo