PHP question_preview_options::set_from_request Examples

Example #1

File: preview.php Project: nottmoo/moodle

// Get and validate question id.
$id = required_param('id', PARAM_INT);
$question = question_bank::load_question($id);
require_login();
$category = $DB->get_record('question_categories',
        array('id' => $question->category), '*', MUST_EXIST);
question_require_capability_on($question, 'use');
$PAGE->set_pagelayout('popup');
$PAGE->set_context(get_context_instance_by_id($category->contextid));

// Get and validate display options.
$maxvariant = $question->get_num_variants();
$options = new question_preview_options($question);
$options->load_user_defaults();
$options->set_from_request();
$PAGE->set_url(question_preview_url($id, $options->behaviour, $options->maxmark, $options));

// Get and validate exitsing preview, or start a new one.
$previewid = optional_param('previewid', 0, PARAM_INT);

if ($previewid) {
    if (!isset($SESSION->question_previews[$previewid])) {
        print_error('notyourpreview', 'question');
    }
    try {
        $quba = question_engine::load_questions_usage_by_activity($previewid);
    } catch (Exception $e) {
        print_error('submissionoutofsequencefriendlymessage', 'question',
                question_preview_url($question->id, $options->behaviour,
                $options->maxmark, $options), null, $e);