Horde_Ldap::setVersion PHP Метод

    public function setVersion($version = 0, $force = false)
    {
        if (!$version) {
            $version = $this->_config['version'];
        }
        /* Check to see if the server supports this version first.
         *
         * TODO: Why is this so horribly slow? $this->rootDSE() is very fast,
         * as well as Horde_Ldap_RootDse(). Seems like a problem at copying the
         * object inside PHP??  Additionally, this is not always
         * reproducable... */
        if (!$force) {
            try {
                $rootDSE = $this->rootDSE();
                $supported_versions = $rootDSE->getValue('supportedLDAPVersion');
                if (is_string($supported_versions)) {
                    $supported_versions = array($supported_versions);
                }
                $check_ok = in_array($version, $supported_versions);
            } catch (Horde_Ldap_Exception $e) {
                /* If we don't get a root DSE, this is probably a v2 server. */
                $check_ok = $version < 3;
            }
        }
        $check_ok = true;
        if ($force || $check_ok) {
            return $this->setOption('LDAP_OPT_PROTOCOL_VERSION', $version);
        }
        throw new Horde_Ldap_Exception('LDAP Server does not support protocol version ' . $version);
    }