class Item

Provides a display-only form element with an optional title and description.

Note: since this is a read-only field, setting the #required property will do nothing except theme the form element to look as if it were actually required (i.e. by placing a red star next to the #title).

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements \Drupal\Component\Plugin\PluginInspectionInterface, \Drupal\Component\Plugin\DerivativeInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase extends \Drupal\Component\Plugin\PluginBase uses \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\Messenger\MessengerTrait
    • class \Drupal\Core\Render\Element\RenderElementBase extends \Drupal\Core\Plugin\PluginBase implements \Drupal\Core\Render\Element\ElementInterface
      • class \Drupal\Core\Render\Element\FormElementBase extends \Drupal\Core\Render\Element\RenderElementBase implements \Drupal\Core\Render\Element\FormElementInterface
        • class \Drupal\Core\Render\Element\Item extends \Drupal\Core\Render\Element\FormElementBase

Expanded class hierarchy of Item

File

core/lib/Drupal/Core/Render/Element/Item.php, line 14

Namespace

class Item extends FormElementBase {
    
    /**
     * {@inheritdoc}
     */
    public function getInfo() {
        return [
            // Forms that show author fields to both anonymous and authenticated users
            // need to dynamically switch between #type 'textfield' and #type 'item'
            // to automatically take over the authenticated user's information.
            // Therefore, we allow #type 'item' to receive input, which is internally
            // assigned by Form API based on the #default_value or #value properties.
'#input' => TRUE,
            '#markup' => '',
            '#theme_wrappers' => [
                'form_element',
            ],
        ];
    }

}

Members