}
     break;
 case 'delete':
     $device_id = 19534;
     $radiodev_counter = 0;
     $removed = $gapi->removeRadio($device_id, $radiodev_counter);
     if ($removed) {
         echo "Radio <strong>{$radiodev_counter}</strong> at device <strong>{$device_id}</strong> removed correctly.<br />\n<br />\n";
     } else {
         echo "There was an error deleting the radio.<br />\n";
         echo $gapi->getErrorsStr();
     }
     break;
 case 'nearest':
     $node_id = 14095;
     $nearest = $gapi->nearestRadio($node_id);
     if ($nearest) {
         if ($nearest->radios) {
             $radios = $nearest->radios;
             echo "<br />\n";
             echo "Found some radios:\n";
             echo '<ul>' . "\n";
             foreach ($radios as $radio) {
                 echo "<li>\n";
                 echo "&nbsp;&nbsp;SSID: <strong>{$radio->ssid}</strong><br />\n";
                 echo "&nbsp;&nbsp;Device ID: <strong>{$radio->device_id}</strong><br />\n";
                 echo "&nbsp;&nbsp;Radiodev_counter: <strong>{$radio->radiodev_counter}</strong><br />\n";
                 echo "&nbsp;&nbsp;Distance: <strong>{$radio->distance} km</strong>\n";
                 echo "</li>\n";
             }
             echo "</ul>\n";