LdapTools\Utilities\LdapUtilities::uuid4 PHP Метод

    public static function uuid4()
    {
        return Uuid::uuid4()->toString();
    }

 /**
  * {@inheritdoc}
  */
 public function toLdap($guid)
 {
     $guid = strtolower($guid) === self::AUTO ? LdapUtilities::uuid4() : $guid;
     if (!LdapUtilities::isValidGuid($guid)) {
         throw new AttributeConverterException(sprintf('The value "%s" is not a valid GUID.', $guid));
     }
     $guid = (new GUID($guid))->toBinary();
     if ($this->getOperationType() == self::TYPE_SEARCH_TO) {
         $guid = implode('', preg_filter('/^/', '\\', str_split(bin2hex($guid), 2)));
     }
     return $guid;
 }