David Stockton has been writing PHP code professionally since 1998. He is Vice President of Technology at i3logix in Denver, CO. He is very passionate about source control, TDD, APIs and PHP development. He is married and has two daughters who he is teaching to program and build circuits with Arduino and a four year old son who has a Master’s degree in annoying his sisters, and has been seen studying calculus and recursive algorithms. He created zendtutorials.com and tddftw.com.