/**
* Generates statistics
*
* @param int $surveyid The survey id
* @param mixed $allfields
* @param mixed $q2show
* @param mixed $usegraph
* @param string $outputType Optional - Can be xls, html or pdf - Defaults to pdf
* @param string $pdfOutput Sets the target for the PDF output: DD=File download , F=Save file to local disk
* @param string $statlangcode Lamguage for statistics
* @param mixed $browse Show browse buttons
* @return buffer
*/
public function generate_statistics($surveyid, $allfields, $q2show = 'all', $usegraph = 0, $outputType = 'pdf', $pdfOutput = 'I', $sLanguageCode = null, $browse = true)
{
$aStatisticsData = array();
//astatdata generates data for the output page's javascript so it can rebuild graphs on the fly
//load surveytranslator helper
Yii::import('application.helpers.surveytranslator_helper', true);
Yii::import('application.third_party.ar-php.Arabic', true);
$sOutputHTML = "";
//This string carries all the actual HTML code to print.
$sTempDir = Yii::app()->getConfig("tempdir");
$this->pdf = array();
//Make sure $this->pdf exists - it will be replaced with an object if a $this->pdf is actually being created
//pick the best font file if font setting is 'auto'
if (is_null($sLanguageCode)) {
$sLanguageCode = getBaseLanguageFromSurveyID($surveyid);
}
Yii::app()->setLanguage($sLanguageCode);
/*
* this variable is used in the function shortencode() which cuts off a question/answer title
* after $maxchars and shows the rest as tooltip (in html mode)
*/
$maxchars = 13;
//we collect all the html-output within this variable
$sOutputHTML = '';
/**
* $outputType: html || pdf ||
*/
/**
* get/set Survey Details
*/
//no survey ID? -> come and get one
if (!isset($surveyid)) {
$surveyid = returnGlobal('sid');
}
//Get an array of codes of all available languages in this survey
$surveylanguagecodes = Survey::model()->findByPk($surveyid)->additionalLanguages;
$surveylanguagecodes[] = Survey::model()->findByPk($surveyid)->language;
$fieldmap = createFieldMap($surveyid, "full", false, false, $sLanguageCode);
// Set language for questions and answers to base language of this survey
$language = $sLanguageCode;
if ($q2show == 'all') {
$summarySql = " SELECT gid, parent_qid, qid, type " . " FROM {{questions}} WHERE parent_qid=0" . " AND sid={$surveyid} ";
$summaryRs = Yii::app()->db->createCommand($summarySql)->query()->readAll();
foreach ($summaryRs as $field) {
$myField = $surveyid . "X" . $field['gid'] . "X" . $field['qid'];
// Multiple choice get special treatment
if ($field['type'] == "M") {
$myField = "M{$myField}";
}
if ($field['type'] == "P") {
$myField = "P{$myField}";
}
//numerical input will get special treatment (arihtmetic mean, standard derivation, ...)
if ($field['type'] == "N") {
$myField = "N{$myField}";
}
if ($field['type'] == "|") {
$myField = "|{$myField}";
}
if ($field['type'] == "Q") {
$myField = "Q{$myField}";
}
// textfields get special treatment
if ($field['type'] == "S" || $field['type'] == "T" || $field['type'] == "U") {
$myField = "T{$myField}";
}
//statistics for Date questions are not implemented yet.
if ($field['type'] == "D") {
$myField = "D{$myField}";
}
if ($field['type'] == "F" || $field['type'] == "H") {
//Get answers. We always use the answer code because the label might be too long elsewise
$query = "SELECT code, answer FROM {{answers}} WHERE qid='" . $field['qid'] . "' AND scale_id=0 AND language='{$language}' ORDER BY sortorder, answer";
$result = Yii::app()->db->createCommand($query)->query();
$counter2 = 0;
//check all the answers
foreach ($result->readAll() as $row) {
$row = array_values($row);
$myField = "{$myField}{$row[0]}";
}
//$myField = "{$surveyid}X{$flt[1]}X{$flt[0]}{$row[0]}[]";
}
if ($q2show == 'all') {
$summary[] = $myField;
}
//$allfields[]=$myField;
}
} else {
// This gets all the 'to be shown questions' from the POST and puts these into an array
if (!is_array($q2show)) {
$summary = returnGlobal('summary');
} else {
$summary = $q2show;
}
//print_r($_POST);
//if $summary isn't an array we create one
if (isset($summary) && !is_array($summary)) {
$summary = explode("+", $summary);
}
}
/**
* pdf Config
*/
if ($outputType == 'pdf') {
//require_once('classes/tcpdf/mypdf.php');
Yii::import('application.libraries.admin.pdf', true);
Yii::import('application.helpers.pdfHelper');
$aPdfLanguageSettings = pdfHelper::getPdfLanguageSettings($language);
// create new PDF document
$this->pdf = new pdf();
$surveyInfo = getSurveyInfo($surveyid, $language);
// set document information
$this->pdf->SetCreator(PDF_CREATOR);
$this->pdf->SetAuthor('LimeSurvey');
$this->pdf->SetTitle(sprintf(gT("Statistics survey %s"), $surveyid));
$this->pdf->SetSubject($surveyInfo['surveyls_title']);
$this->pdf->SetKeywords('LimeSurvey,' . gT("Statistics") . ', ' . sprintf(gT("Survey %s"), $surveyid));
$this->pdf->SetDisplayMode('fullpage', 'two');
$this->pdf->setLanguageArray($aPdfLanguageSettings['lg']);
// set header and footer fonts
$this->pdf->setHeaderFont(array($aPdfLanguageSettings['pdffont'], '', PDF_FONT_SIZE_MAIN));
$this->pdf->setFooterFont(array($aPdfLanguageSettings['pdffont'], '', PDF_FONT_SIZE_DATA));
// set default header data
// Since png crashes some servers (and we can not try/catch that) we use .gif (or .jpg) instead
$headerlogo = 'statistics.gif';
$this->pdf->SetHeaderData($headerlogo, 10, gT("Quick statistics", 'unescaped'), gT("Survey") . " " . $surveyid . " '" . flattenText($surveyInfo['surveyls_title'], false, true, 'UTF-8') . "'");
$this->pdf->SetFont($aPdfLanguageSettings['pdffont'], '', $aPdfLanguageSettings['pdffontsize']);
// set default monospaced font
$this->pdf->SetDefaultMonospacedFont(PDF_FONT_MONOSPACED);
}
if ($outputType == 'xls') {
/**
* Initiate the Spreadsheet_Excel_Writer
*/
require_once APPPATH . '/third_party/pear/Spreadsheet/Excel/Xlswriter.php';
if ($pdfOutput == 'F') {
$sFileName = $sTempDir . '/statistic-survey' . $surveyid . '.xls';
$this->workbook = new Xlswriter($sFileName);
} else {
$this->workbook = new Xlswriter();
}
$this->workbook->setVersion(8);
// Inform the module that our data will arrive as UTF-8.
// Set the temporary directory to avoid PHP error messages due to open_basedir restrictions and calls to tempnam("", ...)
$this->workbook->setTempDir($sTempDir);
// Inform the module that our data will arrive as UTF-8.
// Set the temporary directory to avoid PHP error messages due to open_basedir restrictions and calls to tempnam("", ...)
if (!empty($sTempDir)) {
$this->workbook->setTempDir($sTempDir);
}
if ($pdfOutput != 'F') {
$this->workbook->send('statistic-survey' . $surveyid . '.xls');
}
// Creating the first worksheet
$this->sheet = $this->workbook->addWorksheet(utf8_decode('results-survey' . $surveyid));
$this->xlsPercents =& $this->workbook->addFormat();
$this->xlsPercents->setNumFormat('0.00%');
$this->formatBold =& $this->workbook->addFormat(array('Bold' => 1));
$this->sheet->setInputEncoding('utf-8');
$this->sheet->setColumn(0, 20, 20);
$separator = "~|";
/**XXX*/
}
/**
* Start generating
*/
$selects = buildSelects($allfields, $surveyid, $language);
//count number of answers
$query = "SELECT count(*) FROM {{survey_{$surveyid}}}";
//if incompleted answers should be filtert submitdate has to be not null
if (incompleteAnsFilterState() == "incomplete") {
$query .= " WHERE submitdate is null";
} elseif (incompleteAnsFilterState() == "complete") {
$query .= " WHERE submitdate is not null";
}
$total = Yii::app()->db->createCommand($query)->queryScalar();
//are there any filters that have to be taken care of?
if (isset($selects) && $selects) {
//Save the filters to session for use in browsing text & other features (statistics.php function listcolumn())
Yii::app()->session['statistics_selects_' . $surveyid] = $selects;
//filter incomplete answers?
if (incompleteAnsFilterState() == "complete" || incompleteAnsFilterState() == "incomplete") {
$query .= " AND ";
} else {
$query .= " WHERE ";
}
//add filter criteria to SQL
$query .= implode(" AND ", $selects);
}
//get me some data Scotty
$results = Yii::app()->db->createCommand($query)->queryScalar();
if ($total) {
$percent = sprintf("%01.2f", $results / $total * 100);
}
switch ($outputType) {
case "xls":
$this->xlsRow = 0;
$this->sheet->write($this->xlsRow, 0, gT("Number of records in this query:", 'unescaped'));
$this->sheet->writeNumber($this->xlsRow, 1, $results);
$this->xlsRow++;
$this->sheet->write($this->xlsRow, 0, gT("Total records in survey:", 'unescaped'));
$this->sheet->writeNumber($this->xlsRow, 1, $total);
if ($total) {
$this->xlsRow++;
$this->sheet->write($this->xlsRow, 0, gT("Percentage of total:", 'unescaped'));
$this->sheet->writeNumber($this->xlsRow, 1, $results / $total, $this->xlsPercents);
}
break;
case 'pdf':
// add summary to pdf
$array = array(array(gT("Number of records in this query:", 'unescaped'), $results), array(gT("Total records in survey:", 'unescaped'), $total));
if ($total) {
$array[] = array(gT("Percentage of total:", 'unescaped'), $percent . "%");
}
$this->pdf->AddPage('P', ' A4');
$this->pdf->Bookmark(gT("Results", 'unescaped'), 0, 0);
$this->pdf->titleintopdf(gT("Results", 'unescaped'), gT("Survey", 'unescaped') . " " . $surveyid);
$this->pdf->tableintopdf($array);
break;
case 'html':
$sOutputHTML .= "<br />\n<table class='statisticssummary' >\n" . "\t<thead><tr><th colspan='2'>" . gT("Results") . "</th></tr></thead>\n" . "\t<tr><th >" . gT("Number of records in this query:") . '</th>' . "<td>{$results}</td></tr>\n" . "\t<tr><th>" . gT("Total records in survey:") . '</th>' . "<td>{$total}</td></tr>\n";
//only calculate percentage if $total is set
if ($total) {
$percent = sprintf("%01.2f", $results / $total * 100);
$sOutputHTML .= "\t<tr><th align='right'>" . gT("Percentage of total:") . '</th>' . "<td>{$percent}%</td></tr>\n";
}
$sOutputHTML .= "</table>\n";
break;
default:
break;
}
//put everything from $selects array into a string connected by AND
//This string ($sql) can then be passed on to other functions so you can
//browse these results
if (isset($selects) && $selects) {
$sql = implode(" AND ", $selects);
} elseif (!empty($newsql)) {
$sql = $newsql;
}
if (!isset($sql) || !$sql) {
$sql = null;
}
//only continue if we have something to output
if ($results > 0) {
if ($outputType == 'html' && $browse === true && Permission::model()->hasSurveyPermission($surveyid, 'responses', 'read')) {
//add a buttons to browse results
$sOutputHTML .= CHtml::form(array("admin/responses/sa/browse/surveyid/{$surveyid}"), 'post', array('target' => '_blank')) . "\n" . "\t\t<p>" . "\t\t\t<input type='submit' value='" . gT("Browse") . "' />\n" . "\t\t\t<input type='hidden' name='sid' value='{$surveyid}' />\n" . "\t\t\t<input type='hidden' name='sql' value=\"{$sql}\" />\n" . "\t\t\t<input type='hidden' name='subaction' value='all' />\n" . "\t\t</p>" . "\t\t</form>\n";
}
}
//end if (results > 0)
/* Show Summary results
* The $summary array contains each fieldname that we want to display statistics for
*
* */
if (isset($summary) && $summary) {
//let's run through the survey
$runthrough = $summary;
//START Chop up fieldname and find matching questions
//loop through all selected questions
foreach ($runthrough as $rt) {
//Step 1: Get information about this response field (SGQA) for the summary
$outputs = $this->buildOutputList($rt, $language, $surveyid, $outputType, $sql, $sLanguageCode);
$sOutputHTML .= $outputs['statisticsoutput'];
//2. Collect and Display results #######################################################################
if (isset($outputs['alist']) && $outputs['alist']) {
$display = $this->displayResults($outputs, $results, $rt, $outputType, $surveyid, $sql, $usegraph, $browse, $sLanguageCode);
$sOutputHTML .= $display['statisticsoutput'];
$aStatisticsData = array_merge($aStatisticsData, $display['astatdata']);
}
//end if -> collect and display results
//Delete Build Outputs data
unset($outputs);
unset($display);
}
// end foreach -> loop through all questions
//output
if ($outputType == 'html') {
$sOutputHTML .= "<br /> \n";
}
}
//end if -> show summary results
switch ($outputType) {
case 'xls':
$this->workbook->close();
if ($pdfOutput == 'F') {
return $sFileName;
} else {
return;
}
break;
case 'pdf':
$this->pdf->lastPage();
if ($pdfOutput == 'F') {
// This is only used by lsrc to send an E-Mail attachment, so it gives back the filename to send and delete afterwards
$tempfilename = $sTempDir . "/Survey_" . $surveyid . ".pdf";
$this->pdf->Output($tempfilename, $pdfOutput);
return $tempfilename;
} else {
return $this->pdf->Output(gT('Survey') . '_' . $surveyid . "_" . $surveyInfo['surveyls_title'] . '.pdf', $pdfOutput);
}
break;
case 'html':
$sGoogleMapsAPIKey = trim(Yii::app()->getConfig("googleMapsAPIKey"));
if ($sGoogleMapsAPIKey != '') {
$sGoogleMapsAPIKey = '&key=' . $sGoogleMapsAPIKey;
}
$sSSL = '';
if (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != "off") {
$sSSL = 's';
}
$sOutputHTML .= "<script type=\"text/javascript\" src=\"http{$sSSL}://maps.googleapis.com/maps/api/js?sensor=false{$sGoogleMapsAPIKey}\"></script>\n" . "<script type=\"text/javascript\">var site_url='" . Yii::app()->baseUrl . "';var temppath='" . Yii::app()->getConfig("tempurl") . "';var imgpath='" . Yii::app()->getConfig('adminimageurl') . "';var aStatData=" . ls_json_encode($aStatisticsData) . "</script>";
return $sOutputHTML;
break;
default:
return $sOutputHTML;
break;
}
}
/**
* printanswers::view()
* View answers at the end of a survey in one place. To export as pdf, set 'usepdfexport' = 1 in lsconfig.php and $printableexport='pdf'.
* @param mixed $surveyid
* @param bool $printableexport
* @return
*/
function actionView($surveyid, $printableexport = FALSE)
{
Yii::app()->loadHelper("frontend");
Yii::import('application.libraries.admin.pdf');
$iSurveyID = (int) $surveyid;
$sExportType = $printableexport;
Yii::app()->loadHelper('database');
if (isset($_SESSION['survey_' . $iSurveyID]['sid'])) {
$iSurveyID = $_SESSION['survey_' . $iSurveyID]['sid'];
} else {
//die('Invalid survey/session');
}
// Get the survey inforamtion
// Set the language for dispay
if (isset($_SESSION['survey_' . $iSurveyID]['s_lang'])) {
$sLanguage = $_SESSION['survey_' . $iSurveyID]['s_lang'];
} elseif (Survey::model()->findByPk($iSurveyID)) {
$sLanguage = Survey::model()->findByPk($iSurveyID)->language;
} else {
$iSurveyID = 0;
$sLanguage = Yii::app()->getConfig("defaultlang");
}
$clang = SetSurveyLanguage($iSurveyID, $sLanguage);
$aSurveyInfo = getSurveyInfo($iSurveyID, $sLanguage);
//SET THE TEMPLATE DIRECTORY
if (!isset($aSurveyInfo['templatedir']) || !$aSurveyInfo['templatedir']) {
$aSurveyInfo['templatedir'] = Yii::app()->getConfig('defaulttemplate');
}
$sTemplate = validateTemplateDir($aSurveyInfo['templatedir']);
//Survey is not finished or don't exist
if (!isset($_SESSION['survey_' . $iSurveyID]['finished']) || !isset($_SESSION['survey_' . $iSurveyID]['srid'])) {
sendCacheHeaders();
doHeader();
echo templatereplace(file_get_contents(getTemplatePath($sTemplate) . '/startpage.pstpl'), array());
echo "<center><br />\n" . "\t<font color='RED'><strong>" . $clang->gT("Error") . "</strong></font><br />\n" . "\t" . $clang->gT("We are sorry but your session has expired.") . "<br />" . $clang->gT("Either you have been inactive for too long, you have cookies disabled for your browser, or there were problems with your connection.") . "<br />\n" . "\t" . sprintf($clang->gT("Please contact %s ( %s ) for further assistance."), Yii::app()->getConfig("siteadminname"), Yii::app()->getConfig("siteadminemail")) . "\n" . "</center><br />\n";
echo templatereplace(file_get_contents(getTemplatePath($sTemplate) . '/endpage.pstpl'), array());
doFooter();
exit;
}
//Fin session time out
$sSRID = $_SESSION['survey_' . $iSurveyID]['srid'];
//I want to see the answers with this id
//Ensure script is not run directly, avoid path disclosure
//if (!isset($rootdir) || isset($_REQUEST['$rootdir'])) {die( "browse - Cannot run this script directly");}
if ($aSurveyInfo['printanswers'] == 'N') {
die;
//Die quietly if print answers is not permitted
}
//CHECK IF SURVEY IS ACTIVATED AND EXISTS
$sSurveyName = $aSurveyInfo['surveyls_title'];
$sAnonymized = $aSurveyInfo['anonymized'];
//OK. IF WE GOT THIS FAR, THEN THE SURVEY EXISTS AND IT IS ACTIVE, SO LETS GET TO WORK.
//SHOW HEADER
$sOutput = CHtml::form(array("printanswers/view/surveyid/{$iSurveyID}/printableexport/pdf"), 'post') . "<center><input type='submit' value='" . $clang->gT("PDF export") . "'id=\"exportbutton\"/><input type='hidden' name='printableexport' /></center></form>";
if ($sExportType == 'pdf') {
//require (Yii::app()->getConfig('rootdir').'/application/config/tcpdf.php');
Yii::import('application.libraries.admin.pdf', true);
Yii::import('application.helpers.pdfHelper');
$aPdfLanguageSettings = pdfHelper::getPdfLanguageSettings($clang->langcode);
$oPDF = new pdf();
$oPDF->SetTitle($clang->gT("Survey name (ID)", 'unescaped') . ": {$sSurveyName} ({$iSurveyID})");
$oPDF->SetSubject($sSurveyName);
$oPDF->SetDisplayMode('fullpage', 'two');
$oPDF->setLanguageArray($aPdfLanguageSettings['lg']);
$oPDF->setHeaderFont(array($aPdfLanguageSettings['pdffont'], '', PDF_FONT_SIZE_MAIN));
$oPDF->setFooterFont(array($aPdfLanguageSettings['pdffont'], '', PDF_FONT_SIZE_DATA));
$oPDF->SetFont($aPdfLanguageSettings['pdffont'], '', $aPdfLanguageSettings['pdffontsize']);
$oPDF->AddPage();
$oPDF->titleintopdf($clang->gT("Survey name (ID)", 'unescaped') . ": {$sSurveyName} ({$iSurveyID})");
}
$sOutput .= "\t<div class='printouttitle'><strong>" . $clang->gT("Survey name (ID):") . "</strong> {$sSurveyName} ({$iSurveyID})</div><p> \n";
LimeExpressionManager::StartProcessingPage(true);
// means that all variables are on the same page
// Since all data are loaded, and don't need JavaScript, pretend all from Group 1
LimeExpressionManager::StartProcessingGroup(1, $aSurveyInfo['anonymized'] != "N", $iSurveyID);
$printanswershonorsconditions = Yii::app()->getConfig('printanswershonorsconditions');
$aFullResponseTable = getFullResponseTable($iSurveyID, $sSRID, $sLanguage, $printanswershonorsconditions);
//Get the fieldmap @TODO: do we need to filter out some fields?
if ($aSurveyInfo['datestamp'] != "Y" || $sAnonymized == 'Y') {
unset($aFullResponseTable['submitdate']);
} else {
unset($aFullResponseTable['id']);
}
unset($aFullResponseTable['token']);
unset($aFullResponseTable['lastpage']);
unset($aFullResponseTable['startlanguage']);
unset($aFullResponseTable['datestamp']);
unset($aFullResponseTable['startdate']);
$sOutput .= "<table class='printouttable' >\n";
foreach ($aFullResponseTable as $sFieldname => $fname) {
if (substr($sFieldname, 0, 4) == 'gid_') {
$sOutput .= "\t<tr class='printanswersgroup'><td colspan='2'>{$fname[0]}</td></tr>\n";
} elseif (substr($sFieldname, 0, 4) == 'qid_') {
$sOutput .= "\t<tr class='printanswersquestionhead'><td colspan='2'>{$fname[0]}</td></tr>\n";
} elseif ($sFieldname == 'submitdate') {
if ($sAnonymized != 'Y') {
$sOutput .= "\t<tr class='printanswersquestion'><td>{$fname[0]} {$fname[1]} {$sFieldname}</td><td class='printanswersanswertext'>{$fname[2]}</td></tr>";
}
} else {
$sOutput .= "\t<tr class='printanswersquestion'><td>{$fname[0]} {$fname[1]}</td><td class='printanswersanswertext'>" . flattenText($fname[2]) . "</td></tr>";
}
}
$sOutput .= "</table>\n";
$sData['thissurvey'] = $aSurveyInfo;
$sOutput = templatereplace($sOutput, array(), $sData, '', $aSurveyInfo['anonymized'] == "Y", NULL, array(), true);
// Do a static replacement
if ($sExportType == 'pdf') {
$oPDF->writeHTML($sOutput);
header("Pragma: public");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
$sExportFileName = sanitize_filename($sSurveyName);
$oPDF->Output($sExportFileName . "-" . $iSurveyID . ".pdf", "D");
} else {
ob_start(function ($buffer, $phase) {
App()->getClientScript()->render($buffer);
App()->getClientScript()->reset();
return $buffer;
});
ob_implicit_flush(false);
sendCacheHeaders();
doHeader();
echo templatereplace(file_get_contents(getTemplatePath($sTemplate) . '/startpage.pstpl'), array(), $sData);
echo templatereplace(file_get_contents(getTemplatePath($sTemplate) . '/printanswers.pstpl'), array('ANSWERTABLE' => $sOutput), $sData);
echo templatereplace(file_get_contents(getTemplatePath($sTemplate) . '/endpage.pstpl'), array(), $sData);
echo "</body></html>";
ob_flush();
}
LimeExpressionManager::FinishProcessingGroup();
LimeExpressionManager::FinishProcessingPage();
}
* at the test page.
*
* @copyright 2009 David Mudrak <*****@*****.**>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
if ($getpdf) {
$doc = new pdf();
$doc->SetTitle('Moodle PDF library test');
$doc->SetAuthor('Moodle ' . $CFG->release);
$doc->SetCreator('lib/tests/other/pdflibtestpage.php');
$doc->SetKeywords('Moodle, PDF');
$doc->SetSubject('This has been generated by Moodle as its PDF library test page');
$doc->SetMargins(15, 30);
$doc->setPrintHeader(true);
$doc->setHeaderMargin(10);
$doc->setHeaderFont(array($fontfamily, 'b', 10));
$doc->setHeaderData('pix/moodlelogo-med-white.gif', 40, $SITE->fullname, $CFG->wwwroot);
$doc->setPrintFooter(true);
$doc->setFooterMargin(10);
$doc->setFooterFont(array($fontfamily, '', 8));
$doc->AddPage();
$doc->SetTextColor(255, 255, 255);
$doc->SetFillColor(255, 203, 68);
$doc->SetFont($fontfamily, 'B', 24);
$doc->Cell(0, 0, 'Moodle PDF library test', 0, 1, 'C', 1);
$doc->SetFont($fontfamily, '', 12);
$doc->Ln(6);
$doc->SetTextColor(0, 0, 0);
$c = '<h3>General information</h3>';
$c .= 'Moodle release: ' . $CFG->release . '<br />';
$c .= 'PDF producer: TCPDF ' . TCPDF_STATIC::getTCPDFVersion() . ' (http://www.tcpdf.org) <br />';