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<?php
namespace Sonata\SeoBundle\Twig\Extension;
use Sonata\SeoBundle\Seo\StructuredDataAwarePage;
use Twig\Extension\AbstractExtension;
use Twig\TwigFunction;
/**
* @author Maximilian Berghoff <[email protected]>
*/
class StructuredDataExtension extends AbstractExtension
{
* @var StructuredDataAwarePage
protected $page;
* @var string
protected $encoding;
* @param StructuredDataAwarePage $page
public function __construct(StructuredDataAwarePage $page)
$this->page = $page;
}
* {@inheritdoc}
public function getFunctions()
return [
new TwigFunction('sonata_seo_structured_data', [$this, 'getStructuredData'], ['is_safe' => ['html']]),
];
* Creates a script tag with type 'json-ld' and the JSON-LD string stored in page object.
*
* @return string
public function getStructuredData()
if (empty($this->page->getStructuredData())) {
return '';
return sprintf("<script type=\"application/ld+json\">%s</script>\n", $this->page->getStructuredData());
sonata-project /
SonataSeoBundle
