Implements hook_page_build().
function language_test_page_build() {
language_test_store_language_negotiation();
if (isset(language(Language::TYPE_INTERFACE)->langcode) && isset(language(Language::TYPE_INTERFACE)->method_id)) {
drupal_set_message(t('Language negotiation method: @name', array(
'@name' => language(Language::TYPE_INTERFACE)->method_id,
)));
}
}