salvare in file con un'altro nome

[orlan]

aggiungo

    header("Pragma: public");
    header("Cache-control: private"); // fix for IE
    header("Content-type: application/vnd.ms-excel");
    header("Content-transfer-encoding: binary\n"); 
    header("Content-Disposition: attachment; filename=".$nomeFile."\n");
    
    $origfile = "file.php";
    $handle = fopen($origfile , "rb");
    $what = fread($handle, filesize($origfile));
    fclose($handle); 

thanxx