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php/php-src

The PHP Interpreter

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What it does

PHP is the software engine that powers a massive portion of the world's websites, including platforms like WordPress, Facebook (in its early days), and Wikipedia — it processes the instructions that turn code into the web pages users see. It's one of the most widely-used tools for building websites and web applications, handling everything from simple blogs to high-traffic services.

Why it matters

With over 75% of websites using PHP in some form, understanding its development trajectory directly affects product and infrastructure decisions for anyone building on the web. Investments in PHP's performance, security, and modern features signal where a huge chunk of the internet's foundation is heading, which matters for teams choosing tech stacks or maintaining existing web products.

40Hot

Gaining traction — heating up

Stars
40.0k
Forks
8.0k
Contributors
1591
Language
C

Score updated Mar 26, 2026

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