Errore script di Upload Come fare ?

[mariox]

ini_set (\"file_uploads\",\"1\");
ini_set (\"upload_tmp_dir\", \"/tmp/\");
$uploaddir = '/tmp/'; 
$tmp_file = $_FILES['userfile']['tmp_name']; 
$file = $_FILES['userfile']['name'];
if (move_uploaded_file( $tmp_file, $uploaddir.$file )) 
{ print "File is valid, and was successfully uploaded.

"; print_r($_FILES); } 
else { print "impossibile copiare il fiel

"; print_r($_FILES); } 
?> 

proviamo così