public function DynamicEntityReferenceFieldItemList::referencedEntities in Dynamic Entity Reference 8

Same name and namespace in other branches

1. 8.2 src/Plugin/Field/FieldType/DynamicEntityReferenceFieldItemList.php \Drupal\dynamic_entity_reference\Plugin\Field\FieldType\DynamicEntityReferenceFieldItemList::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 EntityReferenceFieldItemList::referencedEntities

File

src/Plugin/Field/FieldType/DynamicEntityReferenceFieldItemList.php, line 40

Class

DynamicEntityReferenceFieldItemList

Defines a item list class for dynamic entity reference fields.

Namespace

Drupal\dynamic_entity_reference\Plugin\Field\FieldType

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 && $item->target_type !== NULL) {
      $ids[$item->target_type][$delta] = $item->target_id;
    }
    elseif ($item
      ->hasNewEntity()) {
      $target_entities[$delta] = $item->entity;
    }
  }

  // Load and add the existing entities.
  if ($ids) {
    foreach ($ids as $target_type => $entity_type_ids) {
      $entities = \Drupal::entityTypeManager()
        ->getStorage($target_type)
        ->loadMultiple($entity_type_ids);
      foreach ($entity_type_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;
}