hook_entity_view_mode_alter

hook_entity_view_mode_alter(&$view_mode, Drupal\Core\Entity\EntityInterface $entity, $context)

Change the view mode of an entity that is being displayed.

Parameters

string $view_mode: The view_mode that is to be used to display the entity.

\Drupal\Core\Entity\EntityInterface $entity: The entity that is being viewed.

array $context: Array with additional context information, currently only contains the langcode the entity is viewed in.

Related topics

Entity CRUD, editing, and view hooks
Hooks used in various entity operations.
Hooks
Define functions that alter the behavior of Drupal core.

File

core/lib/Drupal/Core/Entity/entity.api.php, line 1457
Hooks and documentation related to entities.

Code

function hook_entity_view_mode_alter(&$view_mode, Drupal\Core\Entity\EntityInterface $entity, $context) {
  // For nodes, change the view mode when it is teaser.
  if ($entity->getEntityTypeId() == 'node' && $view_mode == 'teaser') {
    $view_mode = 'my_custom_view_mode';
  }
}
doc_Drupal
2016-10-29 09:18:08
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