3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2012-12-05T20:29:38Z

<?php
$new = preg_replace_callback('/_([a-z])/', function( $match) { 
    return strtoupper( $match[1]);
}, 'some_more_text');

Output
Performance
VLD
References
Branches

preg_replace_callback: documentation ( source)
strtoupper: documentation ( source)

preferences:dark modelive preview

36.93 ms | 402 KiB | 5 Q