use Exinfinite\YTC\Agent;
use Exinfinite\YTC\PlaylistItems;
$apikey = "api-key";
$agent = new Agent($apikey, __DIR__ . '/cache');
$fetcher = new PlaylistItems($agent);

获取列表中视频

参考：https://developers.google.com/youtube/v3/docs/playlistItems

$playlistID = 'playlistID';
$data = $fetcher
        ->setPart(['snippet'])
        ->setPlaylistId($playlistID)
        ->setMaxResults(10)
        ->query(false);//true:ignore cache

路线图

播放列表项
播放列表
视频