public static function LimitLanguageOptionsCallback::preRender in Language access 8

Alters the language widget options. This method is used in #pre_render.

Limits the options to those that the user is allowed to access.

Parameters

array $element: The language form element.

Return value

array The language form element.

File

src/LimitLanguageOptionsCallback.php, line 31

Class

LimitLanguageOptionsCallback

Class that contains callbacks to alter language elements.

Namespace

Drupal\language_access

Code

public static function preRender(array $element) : array {
  $languages = \Drupal::languageManager()
    ->getLanguages();
  foreach (array_keys($element['#options']) as $id) {
    if (isset($languages[$id]) && !$element['#for_user']
      ->hasPermission('access language ' . $id)) {
      unset($element['#options'][$id]);
    }
  }
  unset($element['#for_user']);
  return $element;
}