static function mark_review()
{
global $wpdb;
$_watu = new WatuPRO();
// this will only happen for logged in users
if (!is_user_logged_in()) {
return false;
}
$taking_id = $_watu->add_taking($_POST['exam_id'], 1);
// select current data if any
$marked_for_review = $wpdb->get_var($wpdb->prepare("SELECT marked_for_review FROM " . WATUPRO_TAKEN_EXAMS . "\n\t\t\tWHERE ID=%d", $taking_id));
if (empty($marked_for_review)) {
$marked_for_review = array("question_ids" => array(), "question_nums" => array());
} else {
$marked_for_review = unserialize($marked_for_review);
}
if ($_POST['act'] == 'mark') {
$marked_for_review['question_ids'][] = $_POST['question_id'];
$marked_for_review['question_nums'][] = $_POST['question_num'];
} else {
// unmark
foreach ($marked_for_review['question_ids'] as $cnt => $id) {
if ($id == $_POST['question_id']) {
unset($marked_for_review['question_ids'][$cnt]);
}
}
foreach ($marked_for_review['question_nums'] as $cnt => $num) {
if ($num == $_POST['question_num']) {
unset($marked_for_review['question_nums'][$cnt]);
}
}
}
// now save
$wpdb->query($wpdb->prepare("UPDATE " . WATUPRO_TAKEN_EXAMS . " SET marked_for_review=%s WHERE ID=%d", serialize($marked_for_review), $taking_id));
}
function watupro_store_all($question_ids)
{
if (!is_user_logged_in()) {
exit;
}
$_watu = new WatuPRO();
$taking_id = $_watu->add_taking($_POST['exam_id'], 1);
$qids = $_POST['question_ids'];
foreach ($qids as $qid) {
$answer = serialize($_POST['answer-' . $qid]);
$_watu->store_details($_POST['exam_id'], $taking_id, $qid, $answer);
}
}
