N98\Util\Console\Helper\Table\Renderer\XmlRenderer::appendHeaders PHP Метод

    private function appendHeaders(DOMElement $parent, array $headers = null)
    {
        if (!$headers) {
            return;
        }
        $doc = $parent->ownerDocument;
        $parent = $parent->appendChild($doc->createElement('headers'));
        foreach ($headers as $header) {
            $parent->appendChild($doc->createElement('header', $header));
        }
    }