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HHVM
HipHop Virtual Machine (HHVM) is an Open-source software, open-source virtual machine based on Just-in-time compilation, just-in-time (JIT) compilation that serves as an execution engine for the Hack (programming language), Hack programming language. By using the principle of JIT compilation, Hack code is first transformed into intermediate HipHop bytecode (HHBC), which is then dynamically translated into x86-64 machine code, optimized, and natively executed. This contrasts with PHP's usual Interpreted language, interpreted execution, in which the Zend Engine transforms PHP source code into opcodes that serve as a form of bytecode, and executes the opcodes directly on the Zend Engine's virtual CPU. HHVM is developed by Meta Platforms, Meta, with the project's source code hosted on GitHub; it is licensed under the terms of the PHP License and Zend License. Overview HHVM was created as the successor to the HipHop for PHP (HPHPc) PHP execution engine, which is a PHP-to-C++ trans ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hack (programming Language)
Hack is a programming language for the HipHop Virtual Machine (HHVM), created by Meta Platforms, Meta (formerly Facebook) as a dialect of PHP. The language implementation is free and open-source software, licensed under an MIT License. Hack allows use of both dynamic typing and static typing. This kind of a type system is called gradual typing, which is also implemented in other programming languages such as ActionScript. Hack's type system allows types to be specified for function (programming), function argument (computer programming), arguments, function return values, and class properties; however, types of local variables are always inferred and cannot be specified. History Hack was introduced on March 20, 2014. Before the announcement of the new language, Facebook had already implemented the code and tested it on a large part of its web site. Features Hack is designed to interoperate seamlessly with PHP, which is a widely used open-source scripting language that has a fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |