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Sebastian Bergmann

Even experienced software developers need to expect the unexpected from time to time. When you cannot afford to experience unpleasant surprises on the launch of your new PHP project, you can rely on the expertise of Sebastian Bergmann. He can identify side-effects and sources of error, even in legacy code, and then provide you with strategies to improve your software development.

Sebastian is a co-founder of thePHP.cc and 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 responsible for creating a wide range of tried-and-trusted development tools.

This internationally sought-after expert shares his knowledge and experience through his widely-read books and articles. His presentations at conferences around the world are followed by those in the PHP community and beyond.

Open Source Projects

  • PHP
  • PHPUnit
  • Template for Jenkins Jobs for PHP Projects
  • PHP Copy/Paste Detector (PHPCPD)
  • de-legacy-fy


  1. PHP 7 Explained with Arne Blankerts and Stefan Priebsch, thePHP.cc Press, 2016
  2. Softwarequalität in PHP-Projekten, 2. Auflage with Stefan Priebsch, Carl Hanser Verlag, 2013
  3. Integrating PHP Projects with Jenkins O’Reilly Media, 2011
  4. Real-World Solutions for Developing High-Quality PHP Frameworks and Applications with Stefan Priebsch, Wrox, 2011
  5. Softwarequalität in PHP-Projekten with Stefan Priebsch, Carl Hanser Verlag, 2010
  6. PHP kurz und gut with Rasmus Lerdorf and Garvin Hicking, O’Reilly, 2006
  7. PHPUnit kurz und gut O’Reilly, 2006
  8. PHPUnit Pocket Guide O’Reilly Media, 2005
  9. Professionelle Softwareentwicklung mit PHP 5 dpunkt.verlag, 2005

I help teams to successfully craft the right software. This requires the proper mix of acceptance tests and unit tests to efficiently ensure both the external and internal quality of the software.

Sebastian Bergmann


PHP 7 Explained

With deep knowledge and practical experience, Sebastian Bergmann, Arne Blankerts und Stefan Priebsch explain everything you need to know about PHP 7.

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Built-In Bytecode Cache

PHP 5.5 ships with a built-in bytecode cache. We provide background information an show how you can easily benefit from improved performance.

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Open Source

Open Knowledge

Following our visit to the Wikimedia Foundation headquarters in San Francisco last year we supported the foundation's German branch in Berlin this year.

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Contact Sebastian Bergmann if you need advice on software development or quality assurance.

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