问如何列出youtube频道发布的所有视频？

EN

  try {
    // Call the channels.list method to retrieve information about the
    // currently authenticated user's channel.
    $channelsResponse = $youtube->channels->listChannels('contentDetails', array(
      'id' => $YOUR_CHANNEL_ID,
    ));

    $htmlBody = '';
    foreach ($channelsResponse['items'] as $channel) {
      // Extract the unique playlist ID that identifies the list of videos
      // uploaded to the channel, and then call the playlistItems.list method
      // to retrieve that list.
      $uploadsListId = $channel['contentDetails']['relatedPlaylists']['uploads'];

      $playlistItemsResponse = $youtube->playlistItems->listPlaylistItems('snippet', array(
        'playlistId' => $uploadsListId,
        'maxResults' => 50
      ));

      $htmlBody .= "<h3>Videos in list $uploadsListId</h3><ul>";
      foreach ($playlistItemsResponse['items'] as $playlistItem) {
        $htmlBody .= sprintf('<li>%s (%s)</li>', $playlistItem['snippet']['title'],
          $playlistItem['snippet']['resourceId']['videoId']);
      }
      $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()));
  }