Filex is a PHP System designed to let users upload files to your server and select when the file should expire. Users are able to select whether if they want the file to expire in a certain amount of days, or downloads or none of them, and also they can protect it by password.
Demo https://codecanyon.net/item/filex-file-uploader-with-expiration/11086280
Downloadhttps://www.filecad.com/e2th/Filex-v1.2---File-Uploader-with-Expiration.rar