public function Base::view in Double Field 4.x

Same name and namespace in other branches

1. 8.3 src/Plugin/Field/FieldFormatter/Base.php \Drupal\double_field\Plugin\Field\FieldFormatter\Base::view()

Builds a renderable array for a fully themed field.

Parameters

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

string $langcode: (optional) The language that should be used to render the field. Defaults to the current content language.

Return value

array A renderable array for a themed field with its label and all its values.

Overrides FormatterBase::view

File

src/Plugin/Field/FieldFormatter/Base.php, line 221

Class

Base

Base class for Double field formatters.

Namespace

Drupal\double_field\Plugin\Field\FieldFormatter

Code

public function view(FieldItemListInterface $items, $langcode = NULL) : array {
  $elements = [];
  if (count($items) > 0) {

    // A field may appear multiple times in a single view. Since items are
    // passed by reference we need to ensure they are processed only once.
    $items = clone $items;
    $this
      ->prepareItems($items);
    $elements = parent::view($items, $langcode);
  }
  return $elements;
}