function EntityReferenceTaxonomyTermRssFormatter::viewElements

Overrides FormatterInterface::viewElements

File

core/modules/taxonomy/src/Plugin/Field/FieldFormatter/EntityReferenceTaxonomyTermRssFormatter.php, line 27

Class

EntityReferenceTaxonomyTermRssFormatter

Plugin implementation of the 'entity reference taxonomy term RSS' formatter.

Namespace

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
    $parent_entity = $items->getEntity();
    $elements = [];
    foreach ($this->getEntitiesToView($items, $langcode) as $delta => $entity) {
        $parent_entity->rss_elements[] = [
            'key' => 'category',
            'value' => $entity->label(),
            'attributes' => [
                'domain' => $entity->id() ? Url::fromRoute('entity.taxonomy_term.canonical', [
                    'taxonomy_term' => $entity->id(),
                ], [
                    'absolute' => TRUE,
                ])
                    ->toString() : '',
            ],
        ];
    }
    return $elements;
}