HHVM and Hack Documentation

Hack

Learn

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.