public function getNodes($content)
{
$items = array();
$document = $this->createDocumentFromXML($content);
$nodes = $document->getElementsByTagName('item');
if ($nodes->length) {
foreach ($nodes as $node) {
try {
$item = $this->create($node);
$items[] = $item;
} catch (\Exception $e) {
throw new RuntimeException($e->getMessage());
}
}
}
return $items;
}