FluentDOM\Transformer\Namespaces\Replace::importNode PHP Method

    private function importNode(\DOMNode $parent, \DOMNode $source)
    {
        if ($source instanceof \DOMElement) {
            $this->importElement($parent, $source);
        } else {
            $document = $parent instanceof \DOMDocument ? $parent : $parent->ownerDocument;
            $parent->appendChild($document->importNode($source));
        }
    }