Dropbox api with PHP Sample

hello, I was wondering if there were a way to use the dropbox api with the php source located at this url to create a way to upload and download files into your app

http://code.google.com/p/dropbox-php/source/browse/#hg/examples
Thanks! [import]uid: 14940 topic_id: 12375 reply_id: 312375[/import]