} catch (\Exception $e) {
attd_error(HTTP_Status::BAD_REQUEST, "Invalid lecture date format.");
}
if ($lec_date < $st_date || $lec_date > $today) {
attd_error(HTTP_Status::BAD_REQUEST, "Lecture date must be within " . $st_date->format("d-m-Y") . " to " . $today->format("d-m-Y") . ".");
}
$lec_date = $lec_date->format("Y-m-d");
try {
$db = new MyDbCon();
$db->beginTransaction();
$obj = new Lectures(array('lec_date' => $lec_date, 'attd_mst_id' => $queries['mst']));
$db->insert($obj);
$db->prepare();
$db->execute();
$lec_id = $db->getLastGeneratedValue();
$db->setInsert(new Attendance());
$abs_objs = array();
foreach ($students['data'] as $stud) {
//$ids[]=$stud['stud_id'];
$presence = 1;
if (in_array($stud['stud_id'], $abs_ids)) {
$presence = 0;
}
$abs_objs[] = new Attendance(array('lec_id' => $lec_id, 'stud_id' => $stud['stud_id'], 'presence' => $presence));
}
$db->multiInsert($abs_objs);
$db->execute();
$db->commit();
echo json_encode(array('done' => true, 'final' => 'Attendance Added Successfully!'));
} catch (\Exception $e) {
$db->rollback();