3v4l.org

run code in 500+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2018-01-11T16:06:24Z

<?php

$x = null;

var_dump(array_key_exists('x', $GLOBALS));
var_dump(array_key_exists('y', $GLOBALS));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

94.07 ms | 1971 KiB | 5 Q