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PHP
PHP is a reflective programming language designed for producing dynamic web pages. The project's name originally stood for Personal Home Page; it now stands for the recursive initialism PHP: Hypertext Preprocessor. PHP was written by Rasmus Lerdorf in 1994 and is mainly used in server-side scripting. PHP generally runs on a web server, taking PHP code as its input and creating Web pages as output. PHP is free. It can be deployed on most web servers and on almost every OS platform free of charge. The PHP Group also provides the complete source code for users to build, customize and extend for their own use. PHP is commonly used as the P in the LAMP software bundle alongside Linux, Apache and MySQL.