PHP (Hypertext Preprocessor) is a server-side scripting language that was originally designed for creating dynamic web pages. It was created in 1994 by Rasmus Lerdorf, who developed it as a set of Common Gateway Interface (CGI) scripts for tracking visits to his online resume. Originally called “Personal Home Page Tools,” PHP was mainly used for creating simple web applications and managing server-side tasks. However, over the years, PHP has evolved into a powerful web development tool, used by millions of websites and applications around the world.
The first major evolution of PHP came in 1995, when Lerdorf released the source code for PHP as an open-source project. This allowed other developers to contribute to the language’s development and improve its functionality. In 1997, two developers, Andi Gutmans and Zeev Suraski, rewrote the PHP codebase and created PHP 3, which included support for object-oriented programming (OOP) and MySQL database integration. This was a major step in the evolution of PHP, as it made the language more versatile and capable of handling more complex tasks.
In 2000, PHP 4 was released, which introduced several new features, including improved support for OOP, sessions, and a new error-handling system. This version of PHP also saw a significant increase in popularity, as it became the go-to language for creating dynamic and interactive websites. However, as the internet continued to evolve, so did the demands of web development. As a result, the PHP development team released PHP 5 in 2004, which included significant improvements in performance and security, along with new features such as support for XML and web services integration.
The latest major release of PHP, PHP 7, was launched in 2015. This version introduced significant performance improvements, making PHP one of the fastest scripting languages available. It also included new features such as scalar type declarations, return type declarations, and anonymous classes, making it more robust and efficient for building complex web applications.
Today, PHP is used by over 79% of all websites, including popular platforms such as WordPress, Facebook, and Wikipedia. Its evolution from a simple scripting language to a powerful web development tool has made it a go-to choice for developers worldwide. With its constantly evolving features and updates, PHP continues to be a crucial player in the web development industry, and its future looks bright as it adapts to the ever-changing demands of the internet.