PHP (Hypertext Preprocessor) is a popular and versatile scripting language primarily used for web development. It offers a wide range of functionalities and features that enable developers to create dynamic and interactive websites. With its easy-to-learn syntax and extensive library support, PHP has become a go-to choice for building dynamic web applications. It seamlessly integrates with HTML and databases, making it suitable for server-side scripting. PHP's flexibility allows developers to create everything from simple websites to complex enterprise-level applications. It supports various operating systems and web servers, making it highly compatible. PHP's active community continually contributes to its development and provides an extensive collection of resources, frameworks, and libraries, making it a reliable choice for web development projects.