PHP
PHP (Hypertext Preprocessor) is a general-purpose, open-source scripting language that is commonly used for web development. It is primarily used for server-side scripting, but can also be used for command-line scripting and desktop applications. PHP is executed on the server, generating HTML that is then sent to the client. PHP pages contain HTML with embedded code that does something. For example, the following code outputs "Hi, I'm a PHP script!":