LanguageManager::getDefaultLockedLanguages

public LanguageManager::getDefaultLockedLanguages($weight = 0)

public function getDefaultLockedLanguages($weight = 0) {
  $languages = array();

  $locked_language = array(
    'default' => FALSE,
    'locked' => TRUE,
    'direction' => LanguageInterface::DIRECTION_LTR,
  );
  // This is called very early while initializing the language system. Prevent
  // early t() calls by using the TranslatableMarkup.
  $languages[LanguageInterface::LANGCODE_NOT_SPECIFIED] = new Language(array(
    'id' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
    'name' => new TranslatableMarkup('Not specified'),
    'weight' => ++$weight,
  ) + $locked_language);

  $languages[LanguageInterface::LANGCODE_NOT_APPLICABLE] = new Language(array(
    'id' => LanguageInterface::LANGCODE_NOT_APPLICABLE,
    'name' => new TranslatableMarkup('Not applicable'),
    'weight' => ++$weight,
  ) + $locked_language);

  return $languages;
}