public static function normalize_entry($entry, $flat = false)
    {
        if (!isset($entry['count'])) {
            return $entry;
        }

        $rec = array();

        for ($i=0; $i < $entry['count']; $i++) {
            $attr = $entry[$i];
            if ($entry[$attr]['count'] == 1) {
                switch ($attr) {
                    case 'objectclass':
                        $rec[$attr] = array(strtolower($entry[$attr][0]));
                        break;
                    default:
                        $rec[$attr] = $entry[$attr][0];
                        break;
                }
            }
            else {
                for ($j=0; $j < $entry[$attr]['count']; $j++) {
                    $rec[$attr][$j] = $entry[$attr][$j];
                }
            }
        }

        return $rec;
    }