public function getUpdates($previousTime)
{
$data = $this->fetchXml('Updates.php?type=all&time=' . $previousTime);
$series = array();
foreach ($data->Series as $serieId) {
$series[] = (int) $serieId;
}
$episodes = array();
foreach ($data->Episode as $episodeId) {
$episodes[] = (int) $episodeId;
}
return array('series' => $series, 'episodes' => $episodes);
}