Hugh and Dave's Online Wines is not really a winestore. It's an application that demonstrates the concepts of web database applications, and is downloadable source code that you can use freely under this license. It pretends to give customers from around the world the opportunity to buy over 1000 wines that come from more than 300 wineries throughout Australia.

The case study website from O'Reilly'd tome on LAMP development. The book is enjoyable with a lovely chapter on securing web applications. Kind of ironic since it took about 45 seconds to find some XSS. Take a peak and see if you can't too.

O'Reilly's 'PHP and MySQL'