A server-side scripting language designed to work seamlessly with HTML and embedded within HTML code. Created in 1994 by Rasmus Lerdorf to maintain his personal website, PHP evolved into a full-fledged programming language with contributions from developers Andi Gutmans and Zeev Suraski, who rewrote its core in 1997 to create PHP 3. This version introduced many new features and improvements, quickly gaining popularity among web developers. PHP continues to evolve, with the latest version being PHP 8. As an open-source language, it allows anyone to contribute to its development and improvement. PHP is widely used by a large percentage of websites on the internet, including popular platforms like Facebook, Wikipedia, and WordPress. According to W3Techs, as of February 2023, PHP is used by 79.2% of all websites whose server-side programming language is known.
History and Evolution
PHP was initially created by Rasmus Lerdorf in 1994 to maintain his personal website. Over time, Lerdorf added more features, transforming PHP into a full-fledged programming language. In 1997, developers Andi Gutmans and Zeev Suraski rewrote the core of PHP, creating PHP 3, which included significant improvements and new features. This version marked a major milestone in PHP's evolution, leading to its widespread adoption among web developers.
Key Features
- Embedding in HTML: PHP is designed to be embedded within HTML code, allowing for seamless integration of dynamic content.
- Server-Side Execution: PHP code is processed on a web server by a PHP interpreter, which can be implemented as a module, a daemon, or a Common Gateway Interface (CGI) executable.
- Versatility: PHP can generate any type of data, such as HTML or binary image data, forming the whole or part of an HTTP response.
- Open-Source: PHP is an open-source language, enabling community contributions to its development and improvement.
Popular Use Cases
PHP is utilized by a vast number of websites and web applications, including some of the world's most popular platforms. Its versatility and ease of use make it a preferred choice for web developers. Notable examples of websites and applications built with PHP include Facebook, Wikipedia, and WordPress. According to W3Techs, as of February 2023, PHP is used by 79.2% of all websites whose server-side programming language is known.
Current Version and Future
The latest version of PHP is PHP 8, which continues to build on the language's robust foundation. With ongoing community contributions and advancements, PHP remains a critical tool in web development, ensuring its relevance and usefulness in the ever-evolving digital landscape.
