uksort() to order highest to lowest number, and alphabetical

    private function splitsort($a, $b) {
    $key1 = explode("-", $a);
    $key2 = explode("-", $b);
    if ($key1[0] != $key2[0])
        return $key2[0] - $key1[0];
    return strcmp($a, $b);
    }