code: private function innerHtml($node)
      {
          $raw = '';
          if ($node->hasChildren()) {
              foreach ($node->child as $child) {
                  $raw .= $child->value;
              }
          }
  
          return $this->stripGuards($raw);
      }
docs: Extracts the XML node text.
  
  @param object $node     Tidy XML node.
  
  @return string          The text only.