redirect($afteractionurl);
}
$remove = optional_param('remove', false, PARAM_INT);
if ($remove && confirm_sesskey()) {
// Remove a question from the quiz.
// We require the user to have the 'use' capability on the question,
// so that then can add it back if they remove the wrong one by mistake.
quiz_require_question_use($remove);
quiz_remove_question($quiz, $remove);
quiz_delete_previews($quiz);
quiz_update_sumgrades($quiz);
redirect($afteractionurl);
}
if (optional_param('quizdeleteselected', false, PARAM_BOOL) && !empty($selectedquestionids) && confirm_sesskey()) {
foreach ($selectedquestionids as $questionid) {
if (quiz_has_question_use($questionid)) {
quiz_remove_question($quiz, $questionid);
}
}
quiz_delete_previews($quiz);
quiz_update_sumgrades($quiz);
redirect($afteractionurl);
}
if (optional_param('savechanges', false, PARAM_BOOL) && confirm_sesskey()) {
$deletepreviews = false;
$recomputesummarks = false;
$oldquestions = explode(',', $quiz->questions);
// The questions in the old order.
$questions = array();
// For questions in the new order.
$rawdata = (array) data_submitted();
if ($remove && confirm_sesskey() && quiz_has_question_use($quiz, $remove)) {
// Remove a question from the quiz.
// We require the user to have the 'use' capability on the question,
// so that then can add it back if they remove the wrong one by mistake,
// but, if the question is missing, it can always be removed.
quiz_remove_slot($quiz, $remove);
quiz_delete_previews($quiz);
quiz_update_sumgrades($quiz);
redirect($afteractionurl);
}
if (optional_param('quizdeleteselected', false, PARAM_BOOL) &&
!empty($selectedslots) && confirm_sesskey()) {
// Work backwards, since removing a question renumbers following slots.
foreach (array_reverse($selectedslots) as $slot) {
if (quiz_has_question_use($quiz, $slot)) {
quiz_remove_slot($quiz, $slot);
}
}
quiz_delete_previews($quiz);
quiz_update_sumgrades($quiz);
redirect($afteractionurl);
}
if (optional_param('savechanges', false, PARAM_BOOL) && confirm_sesskey()) {
$deletepreviews = false;
$recomputesummarks = false;
$rawdata = (array) data_submitted();
$moveonpagequestions = array();
$moveselectedonpage = optional_param('moveselectedonpagetop', 0, PARAM_INT);
