Hack: A New Programming Language Invented by Facebook
Hack is a
programming language for the HipHop Virtual Machine (HHVM) invented by
Facebook. It was introduced on March 20, 2014. Before the announcement
of the new programming language,
Facebook had already implemented the code and tested it on a large
portion of Facebook’s site. Over the last year, they have migrated their
entire PHP codebase to Hack.
Hack has deep roots
in PHP. In fact, most PHP files are already valid Hack files. Many new
features are added to it that helps make developers more productive. The
language is open source.
Q.) What is HipHop Virtual Machine ??
=> 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.
for more information about hack language go to this link
=>> An open source version of Hack is released to the public at http://hacklang.org/ as part of HHVM runtime platform, which will now support both Hack and PHP.