FormElement::valueCallback

public static FormElement::valueCallback(&$element, $input, FormStateInterface $form_state)

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 FormElementInterface::valueCallback

File

core/lib/Drupal/Core/Render/Element/FormElement.php, line 90

Class

FormElement

Provides a base class for form element plugins.

Namespace

Drupal\Core\Render\Element

Code

public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
  return NULL;
}