Developed by Rasmus Lerdorf in 1994/95.

Then: a scripting language for Personal Home Pages

Now: a general-purpose dynamically-typed OO language.

(The acronym is now recursive ... PHP: Hypertext Preprocessor)

Extensive developer community

• php.net ... primary web site for PHP related material
• zend.com ... built the current PHP execution engine
• phpbuilder.com ... archive of open-source libraries
• phpclasses.org ... archive of open-source libraries