3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2014-08-28T12:32:41Z

<?php
$a = array(1, 2, 3, 4);

function transformMe(&$val) 
{
    $val *= 2;
}

array_walk($a, 'transformMe');

var_dump($a);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_walk: documentation ( source)

preferences:dark modelive preview

42.79 ms | 402 KiB | 5 Q