Sulu\Bundle\ContactBundle\Util\CustomerIdConverter::convertIdsToGroupedIds PHP Метод

    public function convertIdsToGroupedIds(array $ids, array $default = [])
    {
        $result = $default;
        foreach ($ids as $id) {
            $type = substr($id, 0, 1);
            $value = substr($id, 1);
            if (!isset($result[$type])) {
                $result[$type] = [];
            }
            $result[$type][] = $value;
        }
        return $result;
    }