Provides a form element for a set of checkboxes. Properties: #options: An associative

public StatusMessages::getInfo()

Provides a render element for a details element, similar to a fieldset. Fieldsets can only be used in forms, while details elements can be used

public static Date::preRenderDate($element) Adds

public static ImageButton::valueCallback(&$element, $input, FormStateInterface

public MachineName::getInfo() Returns

public static FormElement::processPattern(&$element, FormStateInterface

public static FormElement::processAutocomplete(&$element, FormStateInterface

public static Weight::processWeight(&$element, FormStateInterface $form_state

public static Date::processDate(&$element, FormStateInterface $form_state,