Zephir is a compiled high-level language aimed to ease the creation of C-extensions for PHP

Research about the Zend Engine

Opening PHP's #internals to the outside

[Git hook] Tool to add all PHP internal functions and constants to its namespace by adding backslash to them.

Rust/Go/php-src article translate

a modern alternative way to generate PHP Extension skeleton.

PHP internals benchmarks.

azure-uamqp-c bindings for PHP, a general purpose C library for AMQP 1.0.

记录php内核的学习和思考

Various PHP classes in C

Tools to make it easier to contribute to PHP. Uses Docker containers for building, running and testing PHP from source.

A complete set of PHP Notes including : Internals, configurations, best practices, security, performance, principles, design patterns and many other related concepts

Various PHP resources

PHP-Internals-Book PHP7部分中文翻译

A Utility to allow mocking PHP Internal function calls in UnitTests.