if ($formdata->format === 'text') {
exporttocsv($data, $filename);
} else {
exporttotableed($data, $filename, $formdata->format);
}
exit;
} else {
print_error('studentsnotfound', 'attendance', $att->url_manage());
}
}
$output = $PAGE->get_renderer('mod_attendance');
$tabs = new attendance_tabs($att, attendance_tabs::TAB_EXPORT);
echo $output->header();
echo $output->heading(get_string('attendanceforthecourse', 'attendance') . ' :: ' . $course->fullname);
echo $output->render($tabs);
$mform->display();
echo $OUTPUT->footer();
function exporttotableed($data, $filename, $format)
{
global $CFG;
if ($format === 'excel') {
require_once "{$CFG->libdir}/excellib.class.php";
$filename .= ".xls";
$workbook = new MoodleExcelWorkbook("-");
} else {
require_once "{$CFG->libdir}/odslib.class.php";
$filename .= ".ods";
$workbook = new MoodleODSWorkbook("-");
}
// Sending HTTP headers.
$workbook->send($filename);
