protected function getPlaylistIdFromUrl($playlistUrl)
	{
		$playlistId = $playlistUrl;
		$urlPart = parse_url($playlistUrl);

		if (isset($urlPart['query']))
		{
			$query = $this->decodeString($urlPart['query']);

			if (isset($query['list']))
				$playlistId = $query['list'];
			elseif (isset($query['p']))
				$playlistId = $query['p'];
		}

		return $playlistId;
	}