Simple-Files-Sharing-Site

A simple file sharing site with PHP, without database, use local space to store. It is my first php site. homepage: filesh.html

Function List

Users will not be able to see any files until they enter a username and log in
Users can see a list of all files they have uploaded
Users can open files they have previously uploaded
Users can upload files
Users can delete files. If a file is "deleted", it will actually be removed from the filesystem
The directory structure is hidden. Users can not be able to access or view files by manipulating a URL.
Users can creat/delete account
Users can log out
Users can add outher users as friends
Users can see the files upload by his friends