class getPRTG{
      var $baseURL = 'https://yourprtgdomain.com/api';
      var $authString = '&username=username&password=password$';
        public function getDownSensors(){
          $options = '/table.json?content=sensors&output=json&columns=objid&filter_status=5';

          $url = $this->baseURL . $options . $this->authString;
          $json = file_get_contents($url);
          $obj = json_decode($json);

          return $obj->sensors;
        }

        public function getSensor($id){
          $options = '/getsensordetails.json?id=' . $id;

          $url = $this->baseURL . $options . $this->authString;
          $json = file_get_contents($url);
          $obj = json_decode($json);

          return $obj;
        }
     }