fatto
Codice PHP:
    "text/plain",
    "text/html",
    "text/xml",
    "image/jpeg",
    "image/gif",
    "image/png",
    "video/mpeg",
    "audio/midi",
    "application/x-zip-compressed",
    "application/vnd.ms-excel",
    "application/x-msdos-program",
    "application/octet-stream"