public function EntityReference::getTargetEntities in Entity Usage 8.4

Retrieve the target entity(ies) from a field item value.

Parameters

\Drupal\Core\Field\FieldItemInterface $item: The field item to get the target entity(ies) from.

Return value

string[] An indexed array of strings where each target entity type and ID are concatenated with a "|" character. Will return an empty array if no target entity could be retrieved from the received field item value.

Overrides EntityUsageBase::getTargetEntities

File

src/Plugin/EntityTrack/Track/EntityReference.php, line 23

Class

EntityReference

Tracks usage of entities related in entity_reference fields.

Namespace

Drupal\entity_usage\Plugin\EntityTrack\Track

Code

public function getTargetEntities(FieldItemInterface $item) {

  /** @var \Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem $item */
  $item_value = $item
    ->getValue();
  if (empty($item_value['target_id'])) {
    return [];
  }
  $target_type = $item
    ->getFieldDefinition()
    ->getSetting('target_type');

  // Only return a valid result if the target entity exists.
  if (!$this->entityTypeManager
    ->getStorage($target_type)
    ->load($item_value['target_id'])) {
    return [];
  }
  return [
    $target_type . '|' . $item_value['target_id'],
  ];
}