WidgetBase::getWidgetState

public static WidgetBase::getWidgetState(array $parents, $field_name, FormStateInterface $form_state)

Retrieves processing information about the widget from $form_state.

This method is static so that it can be used in static Form API callbacks.

Parameters

array $parents: The array of #parents where the field lives in the form.

string $field_name: The field name.

\Drupal\Core\Form\FormStateInterface $form_state: The form state.

Return value

array An array with the following key/value pairs:

• items_count: The number of widgets to display for the field.
• array_parents: The location of the field's widgets within the $form structure. This entry is populated at '#after_build' time.

Overrides WidgetBaseInterface::getWidgetState

File

core/lib/Drupal/Core/Field/WidgetBase.php, line 452

Class

WidgetBase

Base class for 'Field widget' plugin implementations.

Namespace

Drupal\Core\Field

Code

public static function getWidgetState(array $parents, $field_name, FormStateInterface $form_state) {
  return NestedArray::getValue($form_state->getStorage(), static::getWidgetStateParents($parents, $field_name));
}