The goal of an OpenGraph
object is to be render as HTML. In this
case the library provide an default render object, you case use
like in this example :
use Novaway\Component\OpenGraph\View\OpenGraphRenderer;
$openGraph = new OpenGraph();
// ...
$ogRenderer = OpenGraphRenderer::create();
$attributes = $ogRenderer->renderNamespaceAttributes($openGraph);
echo $attributes;
$html = $ogRenderer->render($openGraph);
echo $html;