Exports an entity and all of its dependencies to a directory.

Parameters

\Drupal\Core\Entity\ContentEntityInterface $entity: The entity to export.

string $destination: A destination path or URI; will be created if it does not exist. Subdirectories will be created for each entity type that is exported.

Return value

int The number of entities that were exported.

File

core/lib/Drupal/Core/DefaultContent/Exporter.php, line 159

Class

Exporter

Handles exporting content entities.

Namespace

Drupal\Core\DefaultContent

Code

public function exportWithDependencies(ContentEntityInterface $entity, string $destination) : int {
  $queue = [
    $entity,
  ];
  $done = [];
  while ($queue) {
    $entity = array_shift($queue);
    $uuid = $entity->uuid();
    // Don't export the same entity twice, both for performance and to prevent
    // an infinite loop caused by circular dependencies.
    if (isset($done[$uuid])) {
      continue;
    }
    $dependencies = $this->exportToFile($entity, $destination)->metadata
      ->getDependencies();
    foreach ($dependencies as $dependency) {
      $dependency = $this->entityRepository
        ->loadEntityByUuid(...$dependency);
      if ($dependency instanceof ContentEntityInterface) {
        $queue[] = $dependency;
      }
    }
    $done[$uuid] = TRUE;
  }
  return count($done);
}

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