function hook_ENTITY_TYPE_predelete
hook_ENTITY_TYPE_predelete(Drupal\Core\Entity\EntityInterface $entity)
Act before entity deletion of a particular entity type.
Parameters
\Drupal\Core\Entity\EntityInterface $entity: The entity object for the entity that is about to be deleted.
See also
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 1162
- Hooks and documentation related to entities.
Code
function hook_ENTITY_TYPE_predelete(Drupal\Core\Entity\EntityInterface $entity) { // Count references to this entity in a custom table before they are removed // upon entity deletion. $id = $entity->id(); $type = $entity->getEntityTypeId(); $count = db_select('example_entity_data') ->condition('type', $type) ->condition('id', $id) ->countQuery() ->execute() ->fetchField(); // Log the count in a table that records this statistic for deleted entities. db_merge('example_deleted_entity_statistics') ->key(array('type' => $type, 'id' => $id)) ->fields(array('count' => $count)) ->execute(); }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Entity!entity.api.php/function/hook_ENTITY_TYPE_predelete/8.1.x