/**
* Provides field storage definitions for a content entity type.
*
* @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
* The entity type definition.
*
* @return \Drupal\Core\Field\FieldStorageDefinitionInterface[]
* An array of field storage definitions, keyed by field name.
*
* @see hook_entity_field_storage_info_alter()
* @see \Drupal\Core\Field\FieldStorageDefinitionInterface
* @see \Drupal\Core\Entity\EntityManagerInterface::getFieldStorageDefinitions()
*/
function hook_entity_field_storage_info(\Drupal\Core\Entity\EntityTypeInterface $entity_type)
{
// Expose storage definitions for all exposed bundle fields.
if ($entity_type->isFieldable()) {
// Query by filtering on the ID as this is more efficient than filtering
// on the entity_type property directly.
$ids = \Drupal::entityQuery('field_storage_config')->condition('id', $entity_type->id() . '.', 'STARTS_WITH')->execute();
// Fetch all fields and key them by field name.
$field_storages = entity_load_multiple('field_storage_config', $ids);
$result = array();
foreach ($field_storages as $field_storage) {
$result[$field_storage->getName()] = $field_storage;
}
return $result;
}
}
