public function EntityReferenceFieldItemList::referencedEntities

Gets the entities referenced by this field, preserving field item deltas.

Return value

\Drupal\Core\Entity\EntityInterface[] An array of entity objects keyed by field item deltas.

Overrides EntityReferenceFieldItemListInterface::referencedEntities

File

core/lib/Drupal/Core/Field/EntityReferenceFieldItemList.php, line 26

Class

EntityReferenceFieldItemList

Defines an item list class for entity reference fields.

Namespace

Code

public function referencedEntities() {
  if ($this
    ->isEmpty()) {
    return [];
  }

  // Collect the IDs of existing entities to load, and directly grab the
  // "autocreate" entities that are already populated in $item->entity.
  $target_entities = $ids = [];
  foreach ($this->list as $delta => $item) {
    if ($item->target_id !== NULL) {
      $ids[$delta] = $item->target_id;
    }
    elseif ($item
      ->hasNewEntity()) {
      $target_entities[$delta] = $item->entity;
    }
  }

  // Load and add the existing entities.
  if ($ids) {
    $target_type = $this
      ->getFieldDefinition()
      ->getSetting('target_type');
    $entities = \Drupal::entityTypeManager()
      ->getStorage($target_type)
      ->loadMultiple($ids);
    foreach ($ids as $delta => $target_id) {
      if (isset($entities[$target_id])) {
        $target_entities[$delta] = $entities[$target_id];
      }
    }

    // Ensure the returned array is ordered by deltas.
    ksort($target_entities);
  }
  return $target_entities;
}