I was wondering if there is a way to make the following PHP function generate two different string instead of one?

```
function random_uuid( $length = 25 ) {
    $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
    $uuid = substr( str_shuffle( $chars ), 0, $length );
    return $uuid;
}

$uuid = random_uuid(25);

```