Adldap\Query\Builder::findBaseDn PHP Метод

    public function findBaseDn()
    {
        $schema = $this->schema;
        $result = $this->setDn(null)->read()->raw()->whereHas($schema->objectClass())->first();
        $key = $schema->defaultNamingContext();
        if (is_array($result) && array_key_exists($key, $result)) {
            if (array_key_exists(0, $result[$key])) {
                return $result[$key][0];
            }
        }
        return false;
    }