XML is ubiquitous in web applications and PHP offers comfortable ways of working with it. But do you really seize all its power? In this workshop, we will dig into the hidden gems of PHP XML processing. Learn to save memory by utilizing XMLReader for stream based XML processing, see the pitfalls and nifty tricks involved with extending the DOM API and integrate custom PHP functions when working with XPath and XSL. Got a specific problem with XML and PHP or specific questions? Want to discuss a specific solution? Come around, we can create some interactive open space! This workshop presumes basic XML and DOM knowledge.