3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2013-06-06T18:43:43Z

<?php
$bits = 64;
$N = 0xfffffffffffffffe;
var_dump($N);
$result = -( pow(2, $bits) - $N ); 
echo $result;

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
pow: documentation ( source)

preferences:dark modelive preview

86.33 ms | 402 KiB | 5 Q