public static function PasswordConfirm::valueCallback

public static PasswordConfirm::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 FormElement::valueCallback

File

core/lib/Drupal/Core/Render/Element/PasswordConfirm.php, line 46

Class

PasswordConfirm

Provides a form element for double-input of passwords.

Namespace

Drupal\Core\Render\Element

Code

public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
  if ($input === FALSE) {
    $element += ['#default_value' => []];
    return $element['#default_value'] + ['pass1' => '', 'pass2' => ''];
  }
  $value = ['pass1' => '', 'pass2' => ''];
  // Throw out all invalid array keys; we only allow pass1 and pass2.
  foreach ($value as $allowed_key => $default) {
    // These should be strings, but allow other scalars since they might be
    // valid input in programmatic form submissions. Any nested array values
    // are ignored.
    if (isset($input[$allowed_key]) && is_scalar($input[$allowed_key])) {
      $value[$allowed_key] = (string) $input[$allowed_key];
    }
  }
  return $value;
}