Builds a renderable array for a field value.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.

string $langcode: The language that should be used to render the field.

Return value

array A renderable array for $items, as an array of child elements keyed by consecutive numeric indexes starting from 0.

Overrides FormatterInterface::viewElements

File

core/modules/system/tests/modules/entity_test/src/Plugin/Field/FieldFormatter/EntityTestReferenceCustomCacheTagFormatter.php, line 25

Class

EntityTestReferenceCustomCacheTagFormatter

Plugin implementation of the 'entity_reference_custom_cache_tag' formatter.

Namespace

Drupal\entity_test\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  return [
    '#cache' => [
      'tags' => [
        'custom_cache_tag',
      ],
    ],
  ];
}

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