public function getPlaylistInfo($getDownloadLinks=false)
	{
		try {
			$url = 'https://www.youtube.com/list_ajax?style=json&action_get_list=1&list=' . $this->playlistId;
			$response = $this->webClient->get($url);
		} catch (\Exception $e) {
			if ($e instanceof ClientException && $e->hasResponse()) {
				if ($e->getResponse()->getStatusCode()) return null;
				throw new YoutubeException($e->getResponse()->getReasonPhrase(), 3);
			}
			else
				throw new YoutubeException($e->getMessage(), 3);
		}

		if ($response->getStatusCode() != 200)
			throw new YoutubeException('Couldn\'t get playlist details.', 1);

		$playlistInfo = json_decode($response->getBody());

		if ($getDownloadLinks)
		{
			foreach ($playlistInfo->video as &$video)
			{
				$this->videoId = $video->encrypted_id;
				try {
					$videoInfo = $this->getVideoInfo(true);
				} catch (YoutubeException $e) {
					throw $e;
				}
				$video->image = $videoInfo->image;
				$video->full_formats = $videoInfo->full_formats;
				$video->adaptive_formats = $videoInfo->adaptive_formats;
			}
			$this->videoId = null;
		}

		$playlistInfo->response_type = 'playlist';

		return $playlistInfo;
	}