public static function Name::valueCallback in Name Field 8

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

src/Element/Name.php, line 113

Class

Name

Provides a name render element.

Namespace

Drupal\name\Element

Code

public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
  $value = [
    'title' => '',
    'given' => '',
    'middle' => '',
    'family' => '',
    'generational' => '',
    'credentials' => '',
  ];
  if ($input === FALSE) {
    $element += [
      '#default_value' => [],
    ];
    return $element['#default_value'] + $value;
  }

  // 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;
}