HHVM and Hack Documentation

Hack

Hack API Reference

Full reference docs for all functions, classes, interfaces, and traits in the Hack language.

Hack Standard Library Reference and Experimental Additions

Full reference docs for all functions, classes, interfaces, and traits in the Hack Standard Library (HSL).

HHVM

  • Learn

    • Getting Started

      Get started with HHVM quickly and easily.
    • Installation

      How to install HHVM on a supported platform.
    • Basic Usage

      The easiest way to run HHVM, with sensible defaults.
    • Advanced Usage

      Advanced usage, with more ways to run and configure HHVM.
    • Configuration

      How to configure HHVM with various user-configurable options.
    • Extensions

      The built in and dynamic extensions that HHVM currently supports.
    • FAQ

      Common information and questions regarding HHVM.