phpHtmlLib is an application development framework for developing OOP style Web applications in PHP. The application framework supports an MVC style architecture and Ajaxable and Cacheable interfaces for developing rich client Web applications. It comtains a set of PHP classes and library functions to help facilitate building, debugging, and rendering of XML, HTML, XHTML, WAP/WML Documents, and SVG (Scalable Vector Graphics) images as well as complex HTML widgets.