function system_post_update_entity_revision_metadata_bc_cleanup in Drupal 9

Remove backwards-compatibility leftovers from entity type definitions.

File

core/modules/system/system.post_update.php, line 90

Post update functions for System.

Code

function system_post_update_entity_revision_metadata_bc_cleanup() {

  /** @var \Drupal\Core\Entity\EntityLastInstalledSchemaRepositoryInterface $last_installed_schema_repository */
  $last_installed_schema_repository = \Drupal::service('entity.last_installed_schema.repository');

  // Get a list of content entity types.

  /** @var \Drupal\Core\Entity\EntityTypeInterface[] $last_installed_definitions */
  $last_installed_definitions = array_filter($last_installed_schema_repository
    ->getLastInstalledDefinitions(), function (EntityTypeInterface $entity_type) {
    return $entity_type instanceof ContentEntityTypeInterface;
  });

  // Remove the '$requiredRevisionMetadataKeys' property for these entity types.
  foreach ($last_installed_definitions as $entity_type_id => $entity_type) {
    $closure = function (ContentEntityTypeInterface $entity_type) {
      return get_object_vars($entity_type);
    };
    $closure = \Closure::bind($closure, NULL, $entity_type);
    $entity_type_definition = $closure($entity_type);
    unset($entity_type_definition["\0*\0requiredRevisionMetadataKeys"]);
    $entity_type = new ContentEntityType($entity_type_definition);
    $last_installed_schema_repository
      ->setLastInstalledDefinition($entity_type);
  }
}