zend-engine

A sampling profiler or a memory usage profiler for PHP written in PHP, which reads information about running PHP VM from outside the process. You can find performance bottlenecks or memory leaks of your scripts without changing the target script or loading extensions.

Research about the Zend Engine

The Zephir Parser delivered as a C extension for the PHP language.

JaM is a PHP monitoring system that supports storing PHP errors (events) into different storage backends

PHP CUDA extension for GPU computing, tensor operations, and machine-learning workloads

The C++ wrapper of zend engine

Zend Engine 3 Zephir Kernel

An alternative PHP engine written in Go.

NotMyFather is a PHP extension rootkit PoC

Run PHP from Go with no cgo: the real php-src on WebAssembly, via wazero. A library, a CLI, an HTTP server and a FastCGI server, on Linux, macOS and Windows.

A standalone PHP tokenizer in C, built from PHP's own lexer. Output matches PHP's PhpToken::tokenize() byte-for-byte, verified per php-src version against the real engine.

JaM is a PHP monitoring system that supports storing PHP errors (events) into different storage backends

A Docker-based development environment for building, testing, and debugging PHP extensions, with an integrated CLI toolset.

What if PHP had it? Experimental language features patched into php-src, compiled to WebAssembly, and playable in the browser.

A native numerical computing library for PHP, providing matrix operations and QR-based least-squares solvers as a foundation for statistical computing.

A production-ready template for building PHP extensions with C, PHPT tests, and GitHub Actions CI.