phpAwStats is written in PHP5 and is meant to parse AWStats logfiles and store them in a database for simplified reading and displaying. The main goal is to display the stats customized using templates on your webpage or on customer interfaces.
OpenMerchant - PHP is a PHP port of OpenMerchant. The key changes to the basic openmerchant include: Simpler structure of code, More modulization - eg. easy to add features like banner management, page modification online, and Simple database abstraction.
Randomly rotate your advertisements. Works without a database and without cookies. Handles banners, text-based ads, whatever format. Includes tutorial-style troubleshooting tips and instructions for .html files (either follow the tutorial for .htacess editing or use the JavaScript workaround).