/**
  * Send data to webservice over POST method
  * 
  * @param void
  * @return http json response
  * @throws GlobKurierExceptions
  */
 public function sendData()
 {
     $fields_string = null;
     foreach ($this->getData() as $key => $value) {
         $fields_string .= $key . '=' . $value . '&';
     }
     if (GlobKurierTools::isCurl()) {
         $c = curl_init();
         curl_setopt($c, CURLOPT_URL, GlobKurierConfig::PS_GK_URL_ADDONS . '?' . $fields_string);
         curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
         $page = curl_exec($c);
         curl_close($c);
         return $page;
     } else {
         die('ERROR: You need to enable curl php extension to use GlobKurier module.');
     }
 }
 /**
  * Send data to webservice over POST method
  * 
  * @param void
  * @return http json response
  */
 public function sendData()
 {
     $headers = array('Authorization: Basic ' . base64_encode(GlobKurierConfig::PS_GK_WS_LOGIN . ':' . GlobKurierConfig::PS_GK_WS_PASSWD));
     if (GlobKurierTools::isCurl()) {
         $ch = curl_init();
         curl_setopt($ch, CURLOPT_URL, GlobKurierConfig::PS_GK_URL_ORDER);
         curl_setopt($ch, CURLOPT_POST, true);
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
         curl_setopt($ch, CURLOPT_POSTFIELDS, 'DATA=' . $this->getXmlData());
         curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
         $output = curl_exec($ch);
         curl_close($ch);
         return $output;
     } else {
         die('ERROR: You need to enable curl php extension to use GlobKurier module.');
     }
 }