3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2014-08-18T15:31:29Z

<?php

$pattern = '#\d+#';
$haystack = '0123 456 789';

echo preg_replace_callback($pattern, 'add_three', $haystack);

function add_three($matches){
	return '-'.$matches[0].'-';
}

Output
Performance
VLD
References
Branches

preg_replace_callback: documentation ( source)

preferences:dark modelive preview

52.05 ms | 402 KiB | 5 Q