public function AmpPrepareMetadataJson::getJson in Accelerated Mobile Pages (AMP) 8

Gets the encoded AMP metadata JSON.

Parameters

array $amp_metadata_settings: The array containing AMP metadata settings.

string $canonical_url: The canonical url for this node.

NodeInterface $node: The node object.

Return value

string A JSON encoded string on success or FALSE on failure.

Overrides AmpPrepareMetadataJsonInterface::getJson

File

src/Utility/AmpPrepareMetadataJson.php, line 90

Class

AmpPrepareMetadataJson

Class AmpPrepareMetadataJson

Namespace

Drupal\amp\Utility

Code

public function getJson(array $amp_metadata_settings, $canonical_url, NodeInterface $node) {
  if (!empty($this->ampMetadataSettings = $amp_metadata_settings) && !empty($this->canonicalUrl = $canonical_url) && !empty($this->node = $node)) {
    $this
      ->prepareMetadataJson();
    $this
      ->setAmpMetadataList();
    $this
      ->checkMetadataComplete();
  }
  if (!empty($this->ampPreparedMetadataJson)) {

    // Improve appearance of JSON output by using json_encode() options
    // JSON_PRETTY_PRINT and JSON_UNESCAPED_SLASHES, which are not supported
    // by Drupal's JSON serialization service ('serialization.json').
    return json_encode($this->ampPreparedMetadataJson, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT);
  }
  else {
    return FALSE;
  }
}