public function EntityReference::getTargetIdentifier in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Entity/Plugin/DataType/EntityReference.php \Drupal\Core\Entity\Plugin\DataType\EntityReference::getTargetIdentifier()
2. 10 core/lib/Drupal/Core/Entity/Plugin/DataType/EntityReference.php \Drupal\Core\Entity\Plugin\DataType\EntityReference::getTargetIdentifier()

Gets the identifier of the referenced data.

Return value

int|string|null The identifier of the referenced data, or NULL if the reference is unset.

Overrides DataReferenceInterface::getTargetIdentifier

File

core/lib/Drupal/Core/Entity/Plugin/DataType/EntityReference.php, line 81

Class

EntityReference

Defines an 'entity_reference' data type.

Namespace

Drupal\Core\Entity\Plugin\DataType

Code

public function getTargetIdentifier() {
  if (isset($this->id)) {
    return $this->id;
  }
  elseif ($entity = $this
    ->getValue()) {
    return $entity
      ->id();
  }
}