Zend_Http_Client::getLastRequest PHP Method

    public function getLastRequest()
    {
        return $this->last_request;
    }

 public function validate($username, $password)
 {
     if (Tinebase_Core::isLogLevel(Zend_Log::DEBUG)) {
         Tinebase_Core::getLogger()->debug(__METHOD__ . '::' . __LINE__ . ' Options: ' . print_r($this->_options, true));
     }
     $url = isset($this->_options['url']) ? $this->_options['url'] : 'https://localhost/validate/check';
     $adapter = new Zend_Http_Client_Adapter_Socket();
     $adapter->setStreamContext($this->_options = array('ssl' => array('verify_peer' => isset($this->_options['ignorePeerName']) ? false : true, 'allow_self_signed' => isset($this->_options['allowSelfSigned']) ? true : false)));
     $client = new Zend_Http_Client($url, array('maxredirects' => 0, 'timeout' => 30));
     $client->setAdapter($adapter);
     $params = array('user' => $username, 'pass' => $password);
     $client->setParameterPost($params);
     try {
         $response = $client->request(Zend_Http_Client::POST);
     } catch (Zend_Http_Client_Adapter_Exception $zhcae) {
         Tinebase_Exception::log($zhcae);
         return Tinebase_Auth::FAILURE;
     }
     $body = $response->getBody();
     if (Tinebase_Core::isLogLevel(Zend_Log::DEBUG)) {
         Tinebase_Core::getLogger()->debug(__METHOD__ . '::' . __LINE__ . ' Request: ' . $client->getLastRequest());
     }
     if (Tinebase_Core::isLogLevel(Zend_Log::DEBUG)) {
         Tinebase_Core::getLogger()->debug(__METHOD__ . '::' . __LINE__ . ' Response: ' . $body);
     }
     if ($response->getStatus() !== 200) {
         return Tinebase_Auth::FAILURE;
     }
     $result = Tinebase_Helper::jsonDecode($body);
     if (isset($result['result']) && $result['result']['status'] === true && $result['result']['value'] === true) {
         return Tinebase_Auth::SUCCESS;
     } else {
         return Tinebase_Auth::FAILURE;
     }
 }