function LanguageReference::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/TypedData/Plugin/DataType/LanguageReference.php, line 31

Class

LanguageReference

Defines the 'language_reference' data type.

Namespace

Code

public function getTargetIdentifier() {
  $language = $this->getTarget();
  return isset($language) ? $language->id() : NULL;
}