/**
* @param \simple_html_dom_node $node
*
* @return string
*/
protected function getRelevantNodeText($node)
{
if (!$node->hasChildNodes()) {
return $node->innertext();
}
$output = '';
foreach ($node->nodes as $child) {
/* @var $child \simple_html_dom_node */
if (!$child->hasChildNodes()) {
$output .= $child->outertext();
} elseif (in_array($child->nodeName(), static::$listContentTags, true)) {
$output .= sprintf('<%1$s>%2$s</%1$s>', $child->nodeName(), $this->getRelevantNodeText($child));
}
}
return $output;
}