phpQueryObject::contentsUnwrap PHP Method

    public function contentsUnwrap()
    {
        foreach ($this->stack(1) as $node) {
            if (!$node->parentNode) {
                continue;
            }
            $childNodes = array();
            // any modification in DOM tree breaks childNodes iteration, so cache them first
            foreach ($node->childNodes as $chNode) {
                $childNodes[] = $chNode;
            }
            foreach ($childNodes as $chNode) {
                //				$node->parentNode->appendChild($chNode);
                $node->parentNode->insertBefore($chNode, $node);
            }
            $node->parentNode->removeChild($node);
        }
        return $this;
    }