3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2014-07-19T07:22:08Z

<?php
$null = 'not null';
$null = 'null';
var_dump(array_key_exists('null', get_defined_vars()));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
get_defined_vars: documentation ( source)

preferences:dark modelive preview

46.04 ms | 402 KiB | 5 Q