FluidXml\FluidInsertionHandler::insertIntegerDomdocument PHP Method

    protected function insertIntegerDomdocument($parent, $k, $v, $fn)
    {
        // A DOMDocument can have multiple root nodes.
        // Algorithm 1:
        return $this->attachNodes($parent, $v->childNodes, $fn);
        // Algorithm 2:
        // return $this->attachNodes($parent, $v->documentElement, $fn);
    }