The International PHP Conference for 2008 happened in Mainz, Germany and had speakers on a wide range of topics. Here's just a few of the slides that have been posted so far:

Slides:

• David Parra - On Sharding Architectures
• Sebastian Bergmann - Map, Filter, Reduce - In the Small and in the Cloud, Of Lambda Functions, Closures, and Traits
• Pierre Joye/Garrett Serack - Developing PHP Internals on Windows
• Thorsten Rinne - Quality in PHP projects beyond Unittests
• Ulf Wendel - Mysqlnd Async (Sharding)
• Stefan Koopmanschap - The Power of Refactoring
• Max Horvath - Quality Assurance in PHP Projects - In-Depth Best-Practises (with Wojciech Duda), Making Selenium Test Writing easier using a DSL
• Thomas Weinert - Deliver Files with PHP, Optimizing Your Frontend Performance
• Lars Jankowfsky - Theory and practice - migrating your legacy code into our modern test driven development world
• Tobias Schlitt - Version Control with SVN, Debugging with XDebug, Database abstraction with eZ Components

Blog Posts:

• Tobias Schlitt - IPC 2008 wrapup and slides
• a wrapup from the Ibuildings blog

Keep an eye out here for more slides and blog posts as they're made...