3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2024-06-09T07:51:10Z

<?php declare(strict_types = 1);

$a = [];
$a[-4] = 1;
$a[] = 2;

print_r($a);

$a = [-4 => 1];
$a[] = 2;

print_r($a);

Output
Performance
VLD
References
Branches

print_r: documentation ( source)

preferences:dark modelive previewkey bindings

83.16 ms | 2719 KiB | 5 Q