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.

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

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

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.

Independent source-level analysis and detection tooling for the PHP session.upload_progress pre-RINIT use-after-free (CVE-2026-109618 / CVE-2026-109619, CVSS 9.2, fixed 2026-10-21). Includes a heap layout study, a reproduction lab, an exposure scanner and a one-line remediation guide.

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

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.

php2shell (CVE-2026-109618/109619) 利用工具：带来源与日期的指纹库、两条引擎、免 gdb 标定；含源码级结论——本链下限 PHP 7.0。

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

A lightweight PHP extension template in C, featuring a ready-to-use build setup, PHPT tests, and GitHub Actions CI for developing native PHP extensions.