Note: I think PHP is way under appreciated.
2. Officially supported runtime that exposes system event loop to userland (yes, we have swoole and roadrunner)
EDIT: have you looked at ngx-php. It’s blazing fast and provides you that event loop.
https://github.com/rryqszq4/ngx-php
https://www.techempower.com/benchmarks/#section=data-r21