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 1171
- 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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