The ID of the item this form is manipulating. Type: string File

public RearrangeFilter::getFormKey()

The type of item this form is manipulating. Type: string File

public Display::getFormKey() Returns

public Display::getForm(ViewEntityInterface $view, $display_id, $js

public ReorderDisplays::submitForm(array &$form

public static RearrangeFilter::arrayKeyPlus($array)

public ConfigHandlerGroup::getForm(ViewEntityInterface