Overrides \Drupal\entity_reference\Plugin\field\formatter\EntityReferenceFormatterBase::viewElements().
Overrides EntityReferenceFormatterBase::viewElements
public function viewElements(EntityInterface $entity, $langcode, array $items) {
$elements = array();
foreach ($items as $delta => $item) {
if (!empty($item['entity']) && !empty($item['target_id'])) {
$elements[$delta] = array(
'#markup' => check_plain($item['target_id']),
);
}
}
return $elements;
}