drupal httpclient example

gistfile1.txt

    $headers = [
      'Accept' => 'application/json',
      'Cache-Control' => 'no-cache',
      'Authentication' => $auth_key,
    ];

    try {
        $client = \Drupal::httpClient();
        $response = $client->get($url, array(
          'headers' => $headers,
          //'debug' => true,
        ));
        if (empty($response)) {
          //return FALSE;
        }
      }
      catch (RequestException $e) {
        //return FALSE;
        //dpm($e);
    }
    $code = $response->getStatusCode();
    $output = json_decode($response->getBody());
    $output = $output->catalog;

    $items = array();
    foreach ($output as $item) {
      switch($item->type) {
        case 'Series':
          $items[] = $item->_id . ': ' . $item->name;
          break;
        case 'Episode (Animated)':
          break;
        case 'Element (Animated)':
          break;
      }
    }

    return $items;