Broadcast modifying the category

<?php

    // Call set_include_path() as needed to point to your client library.
    require_once 'Google/Client.php';
    require_once 'Google/Service/YouTube.php';
    session_start();

    /*
     * You can acquire an OAuth 2.0 client ID and client secret from the
     * Google Developers Console <https://console.developers.google.com/>
     * For more information about using OAuth 2.0 to access Google APIs, please see:
     * <https://developers.google.com/youtube/v3/guides/authentication>
     * Please ensure that you have enabled the YouTube Data API for your project.
     */
    $OAUTH2_CLIENT_ID = 'REPLACE_ME';
    $OAUTH2_CLIENT_SECRET = 'REPLACE_ME';

    $client = new Google_Client();
    $client->setClientId($OAUTH2_CLIENT_ID);
    $client->setClientSecret($OAUTH2_CLIENT_SECRET);
    $client->setScopes('https://www.googleapis.com/auth/youtube');
    $redirect = filter_var('http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'],
        FILTER_SANITIZE_URL);
    $client->setRedirectUri($redirect);

    // Define an object that will be used to make all API requests.
    $youtube = new Google_Service_YouTube($client);

    if (isset($_GET['code'])) {
      if (strval($_SESSION['state']) !== strval($_GET['state'])) {
        die('The session state did not match.');
      }

      $client->authenticate($_GET['code']);
      $_SESSION['token'] = $client->getAccessToken();
      header('Location: ' . $redirect);
    }

    if (isset($_SESSION['token'])) {
      $client->setAccessToken($_SESSION['token']);
    }

    // Check to ensure that the access token was successfully acquired.
    if ($client->getAccessToken()) {
      try {
        // Create an object for the liveBroadcast resource's snippet. Specify values
        // for the snippet's title, scheduled start time, and scheduled end time.
        $broadcastSnippet = new Google_Service_YouTube_LiveBroadcastSnippet();
        $broadcastSnippet->setTitle('New Broadcast');
        $broadcastSnippet->setScheduledStartTime('2034-01-30T00:00:00.000Z');
        $broadcastSnippet->setScheduledEndTime('2034-01-31T00:00:00.000Z');

        // Create an object for the liveBroadcast resource's status, and set the
        // broadcast's status to "private".
        $status = new Google_Service_YouTube_LiveBroadcastStatus();
        $status->setPrivacyStatus('private');

        // Create the API request that inserts the liveBroadcast resource.
        $broadcastInsert = new Google_Service_YouTube_LiveBroadcast();
        $broadcastInsert->setSnippet($broadcastSnippet);
        $broadcastInsert->setStatus($status);
        $broadcastInsert->setKind('youtube#liveBroadcast');

        // Execute the request and return an object that contains information
        // about the new broadcast.
        $broadcastsResponse = $youtube->liveBroadcasts->insert('snippet,status',
            $broadcastInsert, array());

        // Create an object for the liveStream resource's snippet. Specify a value
        // for the snippet's title.
        $streamSnippet = new Google_Service_YouTube_LiveStreamSnippet();
        $streamSnippet->setTitle('New Stream');

        // Create an object for content distribution network details for the live
        // stream and specify the stream's format and ingestion type.
        $cdn = new Google_Service_YouTube_CdnSettings();
        $cdn->setFormat("1080p");
        $cdn->setIngestionType('rtmp');

        // Create the API request that inserts the liveStream resource.
        $streamInsert = new Google_Service_YouTube_LiveStream();
        $streamInsert->setSnippet($streamSnippet);
        $streamInsert->setCdn($cdn);
        $streamInsert->setKind('youtube#liveStream');

        // Execute the request and return an object that contains information
        // about the new stream.
        $streamsResponse = $youtube->liveStreams->insert('snippet,cdn',
            $streamInsert, array());

        // Bind the broadcast to the live stream.
        $bindBroadcastResponse = $youtube->liveBroadcasts->bind(
            $broadcastsResponse['id'],'id,contentDetails',
            array(
                'streamId' => $streamsResponse['id'],
            ));

        //////////////////////////////////////////////////////////
        //////////////////////// NEW AREA ////////////////////////
        //////////////////////////////////////////////////////////

        // Creating the object to set the category
        $videoSnippet = new Google_Service_YouTube_VideoSnippet();
        $videoSnippet->setCategoryId("25");
        //            $snippet->setCategoryId($category);

        $videoInsert = new Google_Service_YouTube_Video();
        $videoInsert->setSnippet($videoSnippet);

        $insertRequest = $youtube->videos->insert("snippet", $videoInsert);

        //////////////////////////////////////////////////////////
        //////////////////////////////////////////////////////////
        //////////////////////////////////////////////////////////

        $htmlBody .= "<h3>Added Broadcast</h3><ul>";
        $htmlBody .= sprintf('<li>%s published at %s (%s)</li>',
            $broadcastsResponse['snippet']['title'],
            $broadcastsResponse['snippet']['publishedAt'],
            $broadcastsResponse['id']);
        $htmlBody .= '</ul>';

        $htmlBody .= "<h3>Added Stream</h3><ul>";
        $htmlBody .= sprintf('<li>%s (%s)</li>',
            $streamsResponse['snippet']['title'],
            $streamsResponse['id']);
        $htmlBody .= '</ul>';

        $htmlBody .= "<h3>Bound Broadcast</h3><ul>";
        $htmlBody .= sprintf('<li>Broadcast (%s) was bound to stream (%s).</li>',
            $bindBroadcastResponse['id'],
            $bindBroadcastResponse['contentDetails']['boundStreamId']);
        $htmlBody .= '</ul>';

      } catch (Google_Service_Exception $e) {
        $htmlBody .= sprintf('<p>A service error occurred: <code>%s</code></p>',
            htmlspecialchars($e->getMessage()));
      } catch (Google_Exception $e) {
        $htmlBody .= sprintf('<p>An client error occurred: <code>%s</code></p>',
            htmlspecialchars($e->getMessage()));
      }

      $_SESSION['token'] = $client->getAccessToken();
    } else {
      // If the user hasn't authorized the app, initiate the OAuth flow
      $state = mt_rand();
      $client->setState($state);
      $_SESSION['state'] = $state;

      $authUrl = $client->createAuthUrl();
      $htmlBody = <<<END
      <h3>Authorization Required</h3>
      <p>You need to <a href="$authUrl">authorize access</a> before proceeding.<p>
    END;
    }
    ?>

    <!doctype html>
    <html>
    <head>
    <title>Bound Live Broadcast</title>
    </head>
    <body>
      <?=$htmlBody?>
    </body>
    </html>