public static function SchemaItemListElementBreadcrumbBase::getItems in Schema.org Metatag 7

Process the input value into an array of items.

Each type of ItemList can extend this to process the input value into a list of items. The default behavior will be a simple array from a comma-separated list.

Overrides SchemaItemListElementBase::getItems

File

src/SchemaItemListElementBreadcrumbBase.php, line 55

Class

SchemaItemListElementBreadcrumbBase

All Schema.org Breadcrumb tags should extend this class.

Code

public static function getItems($input_value) {
  $values = [];
  if (!empty($input_value)) {
    $breadcrumbs = drupal_get_breadcrumb();

    // Methods on DrupalDefaultMetaTag can't be called statically, and we
    // can't use $this from a static method, so create an empty instance.
    $data = $info = [];
    $processor = new DrupalDefaultMetaTag($data, $info);
    $key = 1;
    foreach ($breadcrumbs as $item) {
      $text = strip_tags($item);
      $url = '';
      $matches = [];
      if (preg_match('/href="([^"]*)"/', $item, $matches)) {
        if (!empty($matches[1])) {
          $url = $matches[1];
          $url = $processor
            ->convertUrlToAbsolute($url);
        }
      }
      $values[$key] = [
        '@id' => $url,
        'name' => $text,
        'item' => $url,
      ];
      $key++;
    }
  }
  return $values;
}