function language_negotiation_url_prefixes_update

Update the list of prefixes from the installed languages.

File

core/modules/language/language.module, line 286

Code

function language_negotiation_url_prefixes_update() {
    $config = \Drupal::configFactory()->getEditable('language.negotiation');
    $prefixes = $config->get('url.prefixes');
    foreach (\Drupal::languageManager()->getLanguages() as $language) {
        // The prefix for this language should be updated if it's not assigned yet
        // or the prefix is set to the empty string.
        if (empty($prefixes[$language->getId()])) {
            // For the default language, set the prefix to the empty string,
            // otherwise use the langcode.
            $prefixes[$language->getId()] = $language->isDefault() ? '' : $language->getId();
        }
        // Otherwise we keep the configured prefix.
    }
    $config->set('url.prefixes', $prefixes)
        ->save(TRUE);
}