$explain = htmlspecialchars($_POST['explain']);
if ($type == 'add') {
$q_tmp = new Question($cate, $point, $title, $explain);
$qid = QuestionCtrl::addQuestion($q_tmp);
} else {
if ($type == 'update') {
$qid = htmlspecialchars($_POST['qid']);
$q_tmp = QuestionCtrl::get($qid);
if ($title != '') {
$q_tmp->setTitle($title);
}
if ($explain != '') {
$q_tmp->setExplain($explain);
}
$q_tmp->setId($qid);
QuestionCtrl::updateQuestion($q_tmp);
}
}
if ($qid > 0) {
foreach ($_POST as $key => $value) {
$param_name = 'o::';
if (substr($key, 0, strlen($param_name)) == $param_name) {
if (strlen($value) > 0) {
echo $key . ': ' . $value . '<br>';
$value = htmlspecialchars($value);
$ktext = explode('::', $key)[1];
$correct = $ktext == $_POST['correct'] ? 1 : 0;
$o = new Option($qid, $value, $correct);
if ($type == 'add') {
QuestionCtrl::addOption($o);
} else {
