public function dumplabel()
 {
     $lid = sanitize_int(Yii::app()->request->getParam('lid'));
     // DUMP THE RELATED DATA FOR A SINGLE QUESTION INTO A SQL FILE FOR IMPORTING LATER ON OR
     // ON ANOTHER SURVEY SETUP DUMP ALL DATA WITH RELATED QID FROM THE FOLLOWING TABLES
     // 1. questions
     // 2. answers
     $lids = returnGlobal('lids');
     if (!$lid && !$lids) {
         die('No LID has been provided. Cannot dump label set.');
     }
     if ($lid) {
         $lids = array($lid);
     }
     $lids = array_map('sanitize_int', $lids);
     $fn = "limesurvey_labelset_" . implode('_', $lids) . ".lsl";
     $xml = getXMLWriter();
     $this->_addHeaders($fn, "text/html/force-download", "Mon, 26 Jul 1997 05:00:00 GMT", "cache");
     $xml->openURI('php://output');
     $xml->setIndent(TRUE);
     $xml->startDocument('1.0', 'UTF-8');
     $xml->startElement('document');
     $xml->writeElement('LimeSurveyDocType', 'Label set');
     $xml->writeElement('DBVersion', getGlobalSetting("DBVersion"));
     // Label sets table
     $lsquery = "SELECT * FROM {{labelsets}} WHERE lid=" . implode(' or lid=', $lids);
     buildXMLFromQuery($xml, $lsquery, 'labelsets');
     // Labels
     $lquery = "SELECT lid, code, title, sortorder, language, assessment_value FROM {{labels}} WHERE lid=" . implode(' or lid=', $lids);
     buildXMLFromQuery($xml, $lquery, 'labels');
     $xml->endElement();
     // close columns
     $xml->endDocument();
     exit;
 }

// 1. questions
// 2. answers
//Ensure script is not run directly, avoid path disclosure
include_once "login_check.php";
require_once "export_data_functions.php";
$lids = returnglobal('lids');
$lid = returnglobal('lid');
if (!$lid && !$lids) {
    die('No LID has been provided. Cannot dump label set.');
}
if ($lid) {
    $lids = array($lid);
}
$lids = array_map('sanitize_int', $lids);
$fn = "limesurvey_labelset_" . implode('_', $lids) . ".lsl";
$xml = getXMLWriter();
header("Content-Type: text/html/force-download");
header("Content-Disposition: attachment; filename={$fn}");
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
// Date in the past
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Pragma: cache");
// HTTP/1.0
$xml->openURI('php://output');
$xml->setIndent(true);
$xml->startDocument('1.0', 'UTF-8');
$xml->startElement('document');
$xml->writeElement('LimeSurveyDocType', 'Label set');
$xml->writeElement('DBVersion', $dbversionnumber);
getXMLStructure($xml, $lids);

function questionExport($action, $iSurveyID, $gid, $qid)
{
    $fn = "limesurvey_question_{$qid}.lsq";
    $xml = getXMLWriter();
    header("Content-Type: application/force-download");
    header("Content-Disposition: attachment; filename={$fn}");
    header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
    // Date in the past
    header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
    header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
    header("Pragma: cache");
    // HTTP/1.0
    $xml->openURI('php://output');
    $xml->setIndent(true);
    $xml->startDocument('1.0', 'UTF-8');
    $xml->startElement('document');
    $xml->writeElement('LimeSurveyDocType', 'Question');
    $xml->writeElement('DBVersion', getGlobalSetting('DBVersion'));
    $xml->startElement('languages');
    $aLanguages = Survey::model()->findByPk($iSurveyID)->additionalLanguages;
    $aLanguages[] = Survey::model()->findByPk($iSurveyID)->language;
    foreach ($aLanguages as $sLanguage) {
        $xml->writeElement('language', $sLanguage);
    }
    $xml->endElement();
    questionGetXMLStructure($xml, $gid, $qid);
    $xml->endElement();
    // close columns
    $xml->endDocument();
    exit;
}