function TestFieldPrepareViewFormatter::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/ TestFieldPrepareViewFormatter.php, line 73 
Class
- TestFieldPrepareViewFormatter
- Plugin implementation of the 'field_test_with_prepare_view' formatter.
Namespace
Drupal\field_test\Plugin\Field\FieldFormatterCode
public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  foreach ($items as $delta => $item) {
    $elements[$delta] = [
      '#markup' => $this->getSetting('test_formatter_setting_additional') . '|' . $item->value . '|' . $item->additional_formatter_value,
    ];
  }
  return $elements;
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
