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

Same name and namespace in other branches

1. 8.5 modules/webform_image_select/src/Element/WebformImageSelectImages.php \Drupal\webform_image_select\Element\WebformImageSelectImages::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

modules/webform_image_select/src/Element/WebformImageSelectImages.php, line 40

Class

WebformImageSelectImages

Provides a form element to assist in creation of webform select image images.

Namespace

Drupal\webform_image_select\Element

Code

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