About the Reviewers

Kirill Chebunin is a software engineer specializing in server-side web development. His main interests lie in the field of systems with complex background logic. He has been working as the head of a PHP development department, building different enterprises, and billing and analytics systems for the last two years. But his real passion is for open source projects and their communities. Kirill's talks can be found in Russian and Ukrainian PHP conferences, and his commits are presented in Composer, Doctrine, and Symfony projects. You can always see his current interests at Github (https://github.com/chebba) and SlideShare (http://www.slideshare.net/chebba).

Stefan Kleff has been developing web applications for over 12 years ...

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