public function TestFieldMultipleFormatter::viewElements in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldMultipleFormatter.php \Drupal\field_test\Plugin\Field\FieldFormatter\TestFieldMultipleFormatter::viewElements()
2. 10 core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldMultipleFormatter.php \Drupal\field_test\Plugin\Field\FieldFormatter\TestFieldMultipleFormatter::viewElements()

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

core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldMultipleFormatter.php, line 61

Class

TestFieldMultipleFormatter

Plugin implementation of the 'field_test_multiple' formatter.

Namespace

Drupal\field_test\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  if (!empty($items)) {
    $array = [];
    foreach ($items as $delta => $item) {
      $array[] = $delta . ':' . $item->value;
    }
    $elements[0] = [
      '#markup' => $this
        ->getSetting('test_formatter_setting_multiple') . '|' . implode('|', $array),
    ];
  }
  return $elements;
}