In questo tutorial imparerete come ottenere le informazioni di un file attraverso l’array “$_FILES”.

$_FILES['immagine']['name'] //The Original file name on the browser system.
$_FILES['immagine']['type'] //The file type determined by the browser.
$_FILES['immagine']['size'] //The Number of bytes of the file content.
$_FILES['immagine']['tmp_name'] //The temporary filename of the file in which the uploaded file was stored on the server.
$_FILES['immagine']['error'] //The error code associated with this file upload.

fonte: www.sastgroup.com