Guzzle, an extensible PHP HTTP client

The PHP Unit Testing framework.

A tool to automatically fix PHP Coding Standards issues

PHP_CodeSniffer tokenizes PHP files and detects violations of a defined set of coding standards.

A customizable, open-source ecommerce platform built on WordPress. Build any commerce solution you can imagine.

[WordPress] A foundation for WordPress Plugin Development that aims to provide a clear and consistent guide for building your plugins.

A PHP static analysis tool for finding errors and security vulnerabilities in PHP applications

💥 Collision is a beautiful error reporting tool for command-line applications

The dependency injection container for humans

Serialize closures, anonymous classes, and arbitrary data

All PHP functions, rewritten to throw exceptions instead of returning false

💻 Parallel testing for PHPUnit

PHP Compatibility check for PHP_CodeSniffer

PHP Mutation Testing library

ReactPHP's core reactor event loop that libraries can use for evented I/O.

An MCP adapter that bridges the Abilities API to the Model Context Protocol, enabling MCP clients to discover and invoke WordPress plugin, theme, and core abilities programmatically.

WordPress MCP — This repository will be deprecated as stable releases of mcp-adapter become available. Please use https://github.com/WordPress/mcp-adapter for ongoing development and support.

Provides backwards compatibility for helpers in the latest Laravel release.

Laravel 8 Helper function for Non-Laravel Projects

A Simple PHP Renderer for Slim 3 & 4 (or any other PSR-7 project)

https://www.testcontainers.org implementation for PHP

Slim Framework 3 + SQLITE