LdapTools\AttributeConverter\ConvertValueToDn::toLdap PHP Метод

    public function toLdap($value)
    {
        $this->validateCurrentAttribute();
        return $this->getDnFromValue($value);
    }

 /**
  * @param GPOLink $gpoLink
  * @return string
  */
 protected function getGPOLinkDN(GPOLink $gpoLink)
 {
     $toDn = new ConvertValueToDn();
     $toDn->setAttribute('gpoLink');
     $toDn->setLdapConnection($this->connection);
     $toDn->setOptions(['gpoLink' => ['attribute' => 'displayName', 'filter' => ['objectClass' => 'groupPolicyContainer']]]);
     return $toDn->toLdap($gpoLink->getGpo());
 }