public static function SchemaMetatagManager::parseJsonld in Schema.org Metatag 8.2

Same name and namespace in other branches

1. 8 src/SchemaMetatagManager.php \Drupal\schema_metatag\SchemaMetatagManager::parseJsonld()

Parse tags added by Schema Metatag into JsonLD array.

Parameters

array $elements: Array of Metatag values, as formatted for the head of a page.

Return value

array Array of Schema metatag tags, ready to be turned into JSON LD.

Overrides SchemaMetatagManagerInterface::parseJsonld

1 call to SchemaMetatagManager::parseJsonld()

SchemaMetatagManager::getRenderedJsonld in src/SchemaMetatagManager.php

Render JSON LD for a specific entity.

File

src/SchemaMetatagManager.php, line 17

Class

SchemaMetatagManager

The SchemaMetatag Manager.

Namespace

Drupal\schema_metatag

Code

public static function parseJsonld(array &$elements) {

  // Elements are in indeterminable order.
  // First time through, collect and nest by group.
  $schema_metatags = [];
  foreach ($elements as $key => $item) {
    if (!empty($item[0]['#attributes']['schema_metatag'])) {
      $group = $item[0]['#attributes']['group'];

      // Nest items by the group they are in.
      $name = $item[0]['#attributes']['name'];
      $content = $item[0]['#attributes']['content'];
      $schema_metatags[$group][$name] = $content;
      unset($elements[$key]);
    }
  }

  // Second time through, replace group name with index,
  // and add JSON LD wrappers.
  $items = [];
  $group_key = 0;
  foreach ($schema_metatags as $data) {
    if (empty($items)) {
      $items['@context'] = 'https://schema.org';
    }
    if (!empty($data)) {
      $items['@graph'][$group_key] = $data;
    }
    $group_key++;
  }
  return $items;
}