PHP Code Sample

To use the gtfs-realtime-bindings PHP classes in your own project, you need to first add a dependency for the google/gtfs-realtime-bindings package in your Composer-based PHP project.

In the require section of your composer.json file, add the dependency:

"require": {
  "google/gtfs-realtime-bindings": "x.y.z"

Where x.y.z is the latest release version of the package.

The following code snippet demonstrates downloading a GTFS realtime data feed from a particular URL, parsing it as a FeedMessage (the root type of the GTFS realtime schema), and iterating over the results.

require_once 'vendor/autoload.php';

use transit_realtime\FeedMessage;

$data = file_get_contents("URL OF YOUR GTFS-REALTIME SOURCE GOES HERE");
$feed = new FeedMessage();
foreach ($feed->getEntityList() as $entity) {
  if ($entity->hasTripUpdate()) {
    error_log("trip: " . $entity->getId());

For more details, see the PHP project page.