About the Authors

Sebastian Bergmann

Sebastian Bergmann holds a degree in Computer Science and is a pioneer in the field of quality assurance in PHP projects. His test framework PHPUnit is a de-facto standard. He is actively involved in the development of PHP and creator of various development tools. Sebastian Bergmann is an internationally sought-after expert. As an author he shares his long-standing experience in books and articles. He is a frequent speaker at conferences around the world.

Stefan Priebsch

Stefan Priebsch is a Co-Founder and Principal Consultant with thePHP.cc. He holds a degree in computer science and is the author of various books and technical articles. As a consultant, he helps customers make better use of PHP, with a focus on software architecture, design patterns, and tools and methods. He served on the advisory board of International PHP Conference in 2008.