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Sebastian Bergmann

Sebastian Bergmann has believed in Open Source from day one. He has a university degree in computer science, and has created the industry-leading testing tool PHPUnit, which has played a vital role in professionalizing software development with PHP. He shares his comprehensive experiences in publications and at conferences. As Co-Founder and Principal Consultant of The PHP Consulting Company (thePHP.cc), Sebastian helps his clients to develop software successfully. In his free time, he works on PHPUnit, likes board games, and really enjoys making fancy ice cream.

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.