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;
}