function children($idx = -1)
{
if ($idx === -1) {
return $this->children;
}
if (isset($this->children[$idx])) {
return $this->children[$idx];
}
return null;
}
/** * @param \simple_html_dom_node $node */ private function emptyNodeContent(\simple_html_dom_node $node) { $node->innertext = ''; foreach ($node->children() as $child) { $this->emptyNodeContent($child); } }