public function MachineName::viewElements in Machine name 8

Builds a renderable array for a field value.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.

string $langcode: The language that should be used to render the field.

Return value

array A renderable array for $items, as an array of child elements keyed by consecutive numeric indexes starting from 0.

Overrides FormatterInterface::viewElements

File

src/Plugin/Field/FieldFormatter/MachineName.php, line 23

Class

MachineName

Plugin annotation @FieldFormatter( id = "machine_name", label = @Translation("Machine name"), field_types = {"machine_name"} )

Namespace

Drupal\machine_name\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  foreach ($items as $delta => $item) {
    $elements[$delta] = [
      '#markup' => $this
        ->viewValue($item),
    ];
  }
  return $elements;
}