PHP is a server-side scripting language designed for web development but also used as a general-purpose programming language. PHP code is embedded in HTML code, processed by a PHP interpreter, and produces output containing HTML, JavaScript, and other code.
Some key features of PHP include:
- Server-side scripting - PHP code is processed on the server before the page is sent to the browser. This allows PHP to interact with databases and other backend systems.
- Open source - PHP is free to use and its source code can be modified and redistributed. This has contributed to its popularity.
- Cross-platform - PHP code can run on various platforms like Linux, Windows, Mac OS etc. making it