public static Checkbox::processCheckbox(&$element, FormStateInterface

public Weight::getInfo() Returns the

public LanguageSelect::getInfo()

Provides a matched path render element. Provides a form element to enter a path which can be optionally validated and stored as either a

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

public static Select::processSelect(&$element, FormStateInterface $form_state

Provides a trait for radios, checkboxes, and similar composite form elements. Any form element that is comprised of several distinct parts can

Provides a form element for a table with radios or checkboxes in left column. Properties: #header:

public static VerticalTabs::preRenderVerticalTabs($element)

Provides a form submit button. Submit buttons are processed the same as regular buttons, except they trigger the form's submit handler.