function EntityReferenceItem::isEmpty

Overrides Map::isEmpty

File

core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php, line 242

Class

EntityReferenceItem

Defines the 'entity_reference' entity field type.

Namespace

Code

public function isEmpty() {
    // Avoid loading the entity by first checking the 'target_id'.
    if ($this->target_id !== NULL) {
        return FALSE;
    }
    if ($this->entity && $this->entity instanceof EntityInterface) {
        return FALSE;
    }
    return TRUE;
}