public function anyDescendant()
{
// Get children:
$found = new \SplObjectStorage();
foreach ($this->matches as $item) {
$kids = $item->getElementsByTagName('*');
//$found = array_merge($found, $this->nodeListToArray($kids));
$this->attachNodeList($kids, $found);
}
$this->matches = $found;
// Set depth flag:
$this->findAnyElement = true;
}