}
break;
case 'edit_instance':
if (null !== $instanceId) {
$faqInstance = new PMF_Instance($faqConfig);
if ($faqInstance->removeInstance($instanceId)) {
$payload = array('deleted' => $instanceId);
} else {
$payload = array('error' => $instanceId);
}
$http->sendJsonWithHeaders($payload);
}
break;
case 'load_stop_words_by_lang':
if (PMF_Language::isASupportedLanguage($stopwordsLang)) {
$stopwordsList = $stopwords->getByLang($stopwordsLang);
$payload = $stopwordsList;
$http->sendJsonWithHeaders($payload);
}
break;
case 'delete_stop_word':
if (null != $stopwordId && PMF_Language::isASupportedLanguage($stopwordsLang)) {
$stopwords->setLanguage($stopwordsLang);
$stopwords->remove($stopwordId);
}
break;
case 'save_stop_word':
if (!isset($_SESSION['phpmyfaq_csrf_token']) || $_SESSION['phpmyfaq_csrf_token'] !== $csrfToken) {
$http->sendJsonWithHeaders(array('error' => $PMF_LANG['err_NotAuth']));
exit(1);
}
