3v4l.org

run code in 500+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2026-02-02T16:35:17Z

<?php

namespace Foo;

function takesRef(&$ref) {}

takesRef(count([]));
takesRef(\count([]));

Output
Performance
VLD
References
Branches

count: documentation ( source)

preferences:dark modelive previewkey bindings

22.47 ms | 475 KiB | 4 Q