3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2021-08-10T22:55:23Z

<?php

$s = 'hello';
$s[-1] = strtoupper($s[-1]);

echo $s;

Output
Performance
VLD
References
Branches

strtoupper: documentation ( source)

preferences:dark modelive previewkey bindings

121.33 ms | 404 KiB | 5 Q