PHP: Hypertext Preprocessor, better known by its acronym PHP, is an open-source programming language primarily used to produce dynamic Web pages via an HTTP server. PHP can also function as any locally interpreted language. PHP is an object-oriented imperative language like C++.

PHP has helped create a large number of famous websites, such as Facebook, Tumblr, Wikipedia, WordPress etc. Today, it is considered as the basis for creating the so-called dynamic websites.