Inventing PHP: Rasmus Lerdorf

Unique among most of its peers, PHP wasn't conceived as a pure programming language. The first Web extra at http://youtu.be/YIGRXEzjE6c is a video interview with Rasmus Lerdorf about the creation of PHP. The second Web extra at http://youtu.be/olqMW78GVcs is an audio recording of Charles Severanceis Computing Conversations column, in which he discusses his interview with Rasmus Lerdorf about the creation of PHP.