Skip to content

/hhvm

A virtual machine designed for executing programs written in Hack and PHP.
  1. C++ 63.5%
  2. PHP 23.7%
  3. Hack 5.3%
  4. OCaml 3.4%
  5. C 2.8%
  6. CMake 0.6%
  7. Other 0.7%
C++ PHP Hack OCaml C CMake Other
Find file
Download ZIP
Latest commit 59f1166 @paulbiss paulbiss committed with Hhvm Bot Add --no-as-needed linker flag for jemalloc 
Summary:For reasons that remain unclear the ubuntu 14.04 and 15.10 builders have been
stripping the jemalloc dependency from their hhvm binaries at link time. The
resulting binaries will always segfault on start unless LD_PRELOAD includes
jemalloc. This flag prevents the linker from performing this strip.

Reviewed By: jasone, Orvid

Differential Revision: D3083799

fb-gh-sync-id: 9122e0f04753d1683373e31ba009ca0a5772d894
shipit-source-id: 9122e0f04753d1683373e31ba009ca0a5772d894
Failed to load latest commit information.
CMake Add --no-as-needed linker flag for jemalloc
hphp Add missing OCaml C runtime macros, occasional style changes as well
third-party @ eee7c38 Add brotli to hhvm-third-party
.gitignore Set default path for libraries under MSVC
.gitmodules remove old submodules directory
CMakeLists.txt Targeting 3.13.0
CONTRIBUTING.md Talk about stable branches in CONTRIBUTING.md
ISSUE_TEMPLATE.md Add HHVM github issue template
LICENSE.PHP Removed a bit of trailing whitespace
LICENSE.ZEND Removed a bit of trailing whitespace
README.md Bring the README up-to-date.
configure Update configure

README.md

HHVM

HHVM page | HHVM documentation | Hacklang page | General group | Dev group | Twitter

HHVM is an open-source virtual machine designed for executing programs written in Hack and PHP. HHVM uses a just-in-time (JIT) compilation approach to achieve superior performance while maintaining the development flexibility that PHP provides.

HHVM supports Hack, PHP 5 and the major features of PHP 7. We are aware of minor incompatibilities, so please open issues when you find them. HHVM also supports many extensions as well.

HHVM should be used together with a webserver like the built in, easy to deploy Proxygen, or a FastCGI-based webserver on top of nginx or Apache.

Installing

If you're new, try our getting started guide.

You can install a prebuilt package or compile from source.

Running

You can run standalone programs just by passing them to hhvm: hhvm my_script.php.

If you want to host a website:

  • Install your favorite webserver. Proxygen is built in to HHVM, fast and easy to deploy.
  • Install our package
  • Start your webserver
  • Run sudo /etc/init.d/hhvm start
  • Visit your site at http://.../index.php

Our getting started guide provides a slightly more detailed introduction as well as links to more information.

Contributing

We'd love to have your help in making HHVM better. If you're interested, please read our guide to contributing.

License

HHVM is licensed under the PHP and Zend licenses except as otherwise noted.

The Hack typechecker (hphp/hack) is licensed under the BSD license (hphp/hack/LICENSE) with an additional grant of patent rights (hphp/hack/PATENTS) except as otherwise noted.

Reporting Crashes

See Reporting Crashes for helpful tips on how to report crashes in an actionable manner.

Reporting and Fixing Security Issues

Please do not open GitHub issues or pull requests - this makes the problem immediately visible to everyone, including malicious actors. Security issues in HHVM can be safely reported via HHVM's Whitehat Bug Bounty program:

https://www.facebook.com/whitehat

Facebook's security team will triage your report and determine whether or not is it eligible for a bounty under our program.

FAQ

Our user FAQ has answers to many common questions about HHVM, from general questions to questions geared towards those that want to use.

There is also a FAQ for contributors to HHVM.

Something went wrong with that request. Please try again.