public static function WebformMultiple::valueCallback in Webform 8.5

Same name and namespace in other branches

1. 6.x src/Element/WebformMultiple.php \Drupal\webform\Element\WebformMultiple::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/WebformMultiple.php, line 71

Class

WebformMultiple

Provides a webform element to assist in creation of multiple elements.

Namespace

Drupal\webform\Element

Code

public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
  if ($input === FALSE) {
    if (!isset($element['#default_value'])) {
      return [];
    }
    elseif (!is_array($element['#default_value'])) {
      return [
        $element['#default_value'],
      ];
    }
    else {
      return $element['#default_value'];
    }
  }
  elseif (is_array($input) && isset($input['items'])) {
    return static::convertValuesToItems($element, $input['items']);
  }
  else {
    return [];
  }
}