Best PHP Open Source Repositories

PHP is a dynamically typed scripting language designed specifically for web development, with built-in support for generating HTML dynamically and connecting to databases, features that were unusual to have as language-level primitives when PHP first became popular in the late 1990s. Every PHP script runs fresh on each request by default, a request-response model that simplified deployment and mental model for early web developers, though modern PHP tools like PHP-FPM and opcode caching have significantly improved on that model's raw performance since then.

Modern PHP, especially versions 7 and 8, bears little resemblance to the language's reputation from a decade or more ago: it now includes a proper type system with optional strict typing, a JIT compiler, and significant performance improvements. Frameworks like Laravel have brought modern conventions, like the MVC pattern, dependency injection, and an expressive ORM, to PHP development, making it considerably more structured than the loose, procedural style common in older PHP codebases.

PHP remains one of the most widely deployed languages for web backends, powering a large share of the web's content management systems and countless custom applications. Laravel, the full-featured PHP web framework featured on this page, is one of the most popular tools in the PHP ecosystem for building structured, maintainable web applications, and server-side software in other repos, like self-hosted deployment tooling, sometimes includes PHP components for specific web-facing administrative interfaces.