function PasswordConfirm::valueCallback

Overrides FormElementBase::valueCallback

File

core/lib/Drupal/Core/Render/Element/PasswordConfirm.php, line 49

Class

PasswordConfirm

Provides a form element for double-input of passwords.

Namespace

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;
}