3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2021-12-08T11:03:00Z

<?php

$aliases = [
    'foo',
    'bar-1',
    'joomla-23',
    'joom-0',
];

foreach ($aliases as &$alias) {
    $alias = preg_replace_callback(
        '~(?:-\K\d+)?$~',
        function ($m) {
            return strlen($m[0]) ? 1 + $m[0] : '-2';
        },
        $alias,
        1
    );
}
var_export($aliases);

Output
Performance
VLD
References
Branches

preg_replace_callback: documentation ( source)
var_export: documentation ( source)

preferences:dark modelive preview

61.54 ms | 402 KiB | 5 Q