public/main/inc/ajax/lang.ajax.php
<?php
/* For licensing terms, see /license.txt */
/**
* Responses to AJAX calls.
*/
require_once __DIR__.'/../global.inc.php';
api_protect_course_script(true);
$action = $_REQUEST['a'];
switch ($action) {
case 'translate_html':
header('Content-type: application/x-javascript');
echo api_get_language_translate_html();
break;
default:
echo '';
}
exit;