$att->perm->require_export_capability();
$PAGE->set_url($att->url_export());
$PAGE->set_title($course->shortname . ": " . $att->name);
$PAGE->set_heading($course->fullname);
$PAGE->set_cacheable(true);
$PAGE->set_button($OUTPUT->update_module_button($cm->id, 'attendance'));
$PAGE->navbar->add(get_string('export', 'quiz'));
$formparams = array('course' => $course, 'cm' => $cm, 'modcontext' => $PAGE->context);
$mform = new mod_attendance_export_form($att->url_export(), $formparams);
if ($mform->is_submitted()) {
$formdata = $mform->get_data();
$pageparams = new att_page_with_filter_controls();
$pageparams->init($cm);
$pageparams->page = 0;
$pageparams->group = $formdata->group;
$pageparams->set_current_sesstype($formdata->group ? $formdata->group : att_page_with_filter_controls::SESSTYPE_ALL);
if (isset($formdata->includeallsessions)) {
if (isset($formdata->includenottaken)) {
$pageparams->view = ATT_VIEW_ALL;
} else {
$pageparams->view = ATT_VIEW_ALLPAST;
$pageparams->curdate = time();
}
$pageparams->init_start_end_date();
} else {
$pageparams->startdate = $formdata->sessionstartdate;
$pageparams->enddate = $formdata->sessionenddate;
}
$att->pageparams = $pageparams;
$reportdata = new attendance_report_data($att);
if ($reportdata->users) {
