Provides a link render element. Properties: #title: The link text. #url:

public static Color::validateColor(&$element, FormStateInterface $form_state

Convert the submitted value into a \Drupal\Core\Url

public static RenderElement::processGroup(&$element, FormStateInterface

Provides a render element for adding Ajax to a render element. Holds an array whose values control the Ajax behavior of the element.

Provides a form element for uploading a file. If you add this element to a form the enctype="multipart/form-data" attribute will automatically

public static File::preRenderFile($element) Prepares

public static Range::preRenderRange($element) Prepares

Provides a render element for a table. Note: Although this extends FormElement, it can be used outside the context of a form.

public ImageButton::getInfo() Returns