ciao Alhazred,
ho cercato in giro e li ho trovati quasi tutti, gli unici file che non riesco a pubblicare sono quelli con estensione .rtf e .xls



$FILES['file1']['type'] != "image/gif" AND
$FILES['file1']['type'] !="image/jpeg" AND
$FILES['file1']['type'] !="image/png" AND
$FILES['file1']['type'] !="application/pdf" AND
$FILES['file1']['type'] !="application/msword" AND
$FILES['file1']['type'] !="application/vnd.openxmlformats-officedocument.wordprocessingml.document" AND
$FILES['file1']['type'] !="application/rtf" AND
$FILES['file1']['type'] !="application/vnd.ms-office" AND
$FILES['file1']['type'] !="application/vnd.ms-excel" AND
$FILES['file1']['type'] !="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" AND
$FILES['file1']['type'] !="application/vnd.ms-powerpoint" AND
$FILES['file1']['type'] !="application/vnd.openxmlformats-officedocument.presentationml.presentation" AND
$FILES['file1']['type'] !="text/plain"