HHVM - The Alternative PHP Runtime

Explore the evolution and impact of HHVM, Facebook's alternative PHP runtime, in this comprehensive conference talk from the International PHP Conference. Delve into the history of PHP runtimes, from the early Zend Engine versions to Facebook's development of "HipHop for PHP." Learn about the technical aspects of HHVM, including Abstract Syntax Trees, Type Inference, HipHop Bytecode, and Just-in-Time Compilation. Discover how HHVM achieves framework parity and its collaboration with the PHP Project. Gain insights into the open-sourcing of Hack and how HHVM is influencing the future of PHP development. This 52-minute presentation by Sebastian Bergmann of thePHP.cc offers an in-depth look at HHVM's architecture, performance benefits, and its potential to shape the PHP ecosystem.

Intro
Forms Interpreter
Zend Engine 0.5)
Zend Engine 1.0)
Zend Engine 2.0)
Facebook starts work on "HipHop for PHP"
Facebook open-sourced the solution
Facebook uses HPHPc in production
Abstract Syntax Tree
Type Inference
HipHop Bytecode (HHBC)
Just-in-Time Compilation
Native Machine Code
Framework Parity
Facebook open-sources Hack
Collaboration with the PHP Project