PHP Tutorial

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PHP (Hypertext Preprocessor) is a widely-used open-source scripting language primarily designed for web development. It is especially well-suited for server-side web development, where PHP scripts are executed on the server to generate dynamic web content.

  • PHP Was Originally an Acronym: PHP initially stood for “Personal Home Page,” reflecting its origins as a simple scripting language for creating dynamic web pages. It later evolved to “PHP: Hypertext Preprocessor,” emphasizing its role in server-side scripting.
  • Rasmus Lerdorf Created PHP: PHP was created by Danish-Canadian programmer Rasmus Lerdorf in 1994. He developed PHP to manage his personal website’s traffic logging and interactions with visitors.
  • Open Source: PHP is an open-source scripting language, which means it is freely available for anyone to use, modify, and distribute. Its open-source nature has contributed to its widespread adoption and continuous improvement through community contributions.
  • Powering the Web: PHP is one of the most popular server-side scripting languages for web development. It powers over 79% of all websites whose server-side programming language is known, including major platforms like Facebook, WordPress, and Wikipedia.
  • Syntax Similar to C and Perl: PHP’s syntax draws inspiration from various programming languages, including C, Perl, and Java. This familiarity with other languages makes it relatively easy for developers to learn and work with PHP.
  • Large Ecosystem: PHP has a vast ecosystem of frameworks, libraries, and tools built around it, catering to various web development needs. Popular PHP frameworks include Laravel, Symfony, and CodeIgniter, providing developers with robust foundations for building web applications.
  • Zend Engine: The Zend Engine powers PHP’s execution, providing the core functionality for parsing, compiling, and executing PHP scripts. It was developed by Zeev Suraski and Andi Gutmans, two Israeli developers who later founded Zend Technologies.
  • Support for Multiple Platforms: PHP is platform-independent, meaning it can run on various operating systems, including Linux, Windows, macOS, and Unix. This cross-platform compatibility makes PHP a versatile choice for web development projects.
  • Dynamic Typing: PHP is a dynamically typed language, allowing variables to change types as needed during execution. While dynamic typing offers flexibility, it also requires careful handling to avoid unexpected behavior.
  • Continuous Evolution: PHP has undergone significant evolution since its inception, with regular releases introducing new features, performance improvements, and security enhancements. The latest major version as of 2022 is PHP 8, which brings numerous modern features and optimizations to the language.

Practice PHP by cloning this git repo from here.

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