PHP

PHP is an open-source server-side scripting language designed for Web development to produce dynamic Web pages. The code is interpreted by a Web server with a PHP processor module which generates the resulting Web page. PHP can be deployed on most Web servers and also as a standalone shell on almost every operating system and platform, free of charge. While PHP originally stood for Personal Home Page[8], it is now said to stand for PHP: Hypertext Preprocessor (Source WikiPedia)