Open Source Tech Hub

Oct 1, 2026 · Backend Development

PHP 8.6 Native Async: STF IO Hooks Architecture Deep Dive

PHP's new STF IO hooks design introduces a four-layer native async architecture integrating Poll API, IO Hooks, Operation Queues, and cross-platform completion drivers (io_uring/IOCP), enabling existing synchronous functions like curl_exec and fread to run as non-blocking coroutines without code changes.