This document discusses a lightweight Model-View-Controller (MVC) framework for PHP programming. It begins by providing background on PHP and the traditional MVC pattern. It then introduces a lightweight MVC framework for PHP that aims to improve efficiency, reduce complexity, and enhance security, stability and robustness. The framework consists of components like the index page, libraries, business controller, MVC base class, and database/template layers. It allows developers to get the benefits of MVC while maintaining simplicity. Some advantages are fast development, low maintenance and high performance, while disadvantages include needing programming expertise and less built-in support.