public static function WebformOptions::valueCallback in Webform 6.x

Same name and namespace in other branches

1. 8.5 src/Element/WebformOptions.php \Drupal\webform\Element\WebformOptions::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/WebformOptions.php, line 51

Class

WebformOptions

Provides a webform element to assist in creation of options.

Namespace

Drupal\webform\Element

Code

public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
  if ($input === FALSE) {
    if (!isset($element['#default_value'])) {
      return [];
    }
    $options = is_string($element['#default_value']) ? Yaml::decode($element['#default_value']) : $element['#default_value'];
    if (static::hasOptGroup($options)) {
      return $options;
    }
    return static::convertOptionsToValues($options, $element['#options_description']);
  }
  elseif (is_array($input) && isset($input['options'])) {
    return is_string($input['options']) ? Yaml::decode($input['options']) : $input['options'];
  }
  else {
    return NULL;
  }
}