This is nice project for tutorial using Fingerprint scanner and Arduino ethernet shield.
Technically, It used not only sending data to web but, running web Server and custom Database(php application).
But as it said nice project for tutorial, it has all of things how to connect and use fingerprint scanner, web server and php application.
If you are looking for the example or tutorial for php application or fingerprint scanner, It will be perfect for it.
Please visit the original link and Enjoy!