function filter(iterable $array, $predicate = null): array
{
    $iteratee = baseIteratee($predicate);
    $result = \array_filter(
        \is_array($array) ? $array : \iterator_to_array($array),
        function ($value, $key) use ($array, $iteratee) {
            return $iteratee($value, $key, $array);
        },
        \ARRAY_FILTER_USE_BOTH
    );
    \sort($result); // <- why ?
    return $result;
}