public static function Registrants::valueCallback in RNG - Events and Registrations 3.x

Same name and namespace in other branches

1. 8.2 src/Element/Registrants.php \Drupal\rng\Element\Registrants::valueCallback()
2. 8 src/Element/Registrants.php \Drupal\rng\Element\Registrants::valueCallback()

Determines how user input is mapped to an element's #value property.

Parameters

array $element: An associative array containing the properties of the element.

mixed $input: The incoming input to populate the form element. If this is FALSE, the element's default value should be returned.

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

Return value

mixed The value to assign to the element.

Overrides FormElement::valueCallback

File

src/Element/Registrants.php, line 657

Class

Registrants

Provides a form element for a registrant and person association.

Namespace

Drupal\rng\Element

Code

public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
  $parents = $element['#parents'];
  $value = $form_state
    ->get($parents);
  if ($value === NULL) {
    return isset($element['#default_value']) ? $element['#default_value'] : [];
  }
  return $value;
}