For possibly building a content management system in XML and PHP see this article at Sitebuilder. Build an XML-Based Content Management System with PHP
Another article from IBM using XML and XSL. Fundamentals of Web publishing with XML
For possibly building a content management system in XML and PHP see this article at Sitebuilder. Build an XML-Based Content Management System with PHP
Another article from IBM using XML and XSL. Fundamentals of Web publishing with XML