public static function WebformElementMultiple::valueCallback in Webform 8.5

Same name and namespace in other branches

1. 6.x src/Element/WebformElementMultiple.php \Drupal\webform\Element\WebformElementMultiple::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/WebformElementMultiple.php, line 39

Class

WebformElementMultiple

Provides a webform element for element multiple property.

Namespace

Drupal\webform\Element

Code

public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
  if ($input === FALSE) {
    if (empty($element['#default_value'])) {
      return 1;
    }
    elseif ($element['#default_value'] === TRUE) {
      return WebformMultiple::CARDINALITY_UNLIMITED;
    }
    else {
      return $element['#default_value'];
    }
  }
  return NULL;
}