file crea_e_scarica_zip.php
Codice PHP:
require_once("archive.php");

$zipfile = new zipfile();
$zipfile->addfile( $contenuto_file_doc, "nome_file_in_archivio.doc" );
// uno o piu' files , stesso procedimento ...

header( 'Content-Type: application/zip' );
header( 'Content-Disposition: attachment; filename=nomefile.zip' );
header( "Content-Transfer-Encoding: binary" );

echo $zipfile->getdata();

exit(0); 
la var $contenuto_file_doc conterra' l' fread() del tuo file .doc