yaffs.net Git - yaffs-website/blob - web/core/modules/system/tests/modules/entity_test/src/Plugin/Field/FieldFormatter/EntityTestReferenceCustomCacheTagFormatter.php

   1 <?php
   2
   3 namespace Drupal\entity_test\Plugin\Field\FieldFormatter;
   4
   5 use Drupal\Core\Field\FieldItemListInterface;
   6 use Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceFormatterBase;
   7
   8 /**
   9  * Plugin implementation of the 'entity_reference_custom_cache_tag' formatter.
  10  *
  11  * @FieldFormatter(
  12  *   id = "entity_reference_custom_cache_tag",
  13  *   label = @Translation("Custom cache tag"),
  14  *   field_types = {
  15  *     "entity_reference"
  16  *   }
  17  * )
  18  */
  19 class EntityTestReferenceCustomCacheTagFormatter extends EntityReferenceFormatterBase {
  20
  21   /**
  22    * {@inheritdoc}
  23    */
  24   public function viewElements(FieldItemListInterface $items, $langcode) {
  25     return ['#cache' => ['tags' => ['custom_cache_tag']]];
  26   }
  27
  28 }