$path = '/v4'; $buzz = new Curl(); $client = new TrackingClient($apiKey, $host, $path, $buzz); $number = 'xxxxxx'; $tracking = new CommonTracking(); $tracking->setNumber($number); $error = ''; $success = ''; if ($_POST) { try { if (!isset($_POST['number'])) { throw new \Exception("The tracking number was not submitted"); } $number = $_POST['number']; $tracking->setNumber($number); $client->create($tracking); $success = 'Tracking has been created for your shipment.'; } catch (\Exception $e) { $error = sprintf('%s: %s', get_class($e), $e->getMessage()); } } ?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-type" content="text/html; charset=utf-8" /> <title>Create Tracking | AfterShip | Shipment Tracking | Demo</title> </head> <body> <h4 style="color:red"><?php