XMPPStream::get_challenge_response_pkt PHP Method

    public function get_challenge_response_pkt($challenge)
    {
        $stanza = new JAXLXml('response', XMPP::NS_SASL);
        $decoded = $this->explode_data(base64_decode($challenge));
        if (!isset($decoded['rspauth'])) {
            JAXLLogger::debug("calculating response to challenge");
            $stanza->t($this->get_challenge_response($decoded));
        }
        return $stanza;
    }