PHP quiz::get_quizid方法代碼示例

$messages = $accessmanager->prevent_access() + $accessmanager->prevent_new_attempt($attemptnumber - 1, $lastattempt);
if (!$quizobj->is_preview_user() && $messages) {
    print_error('attempterror', 'quiz', $quizobj->view_url(), $accessmanager->print_messages($messages, true));
}
$accessmanager->do_password_check($quizobj->is_preview_user());
/// Delete any previous preview attempts belonging to this user.
quiz_delete_previews($quiz, $USER->id);
/// Create the new attempt and initialize the question sessions
$attempt = quiz_create_attempt($quiz, $attemptnumber, $lastattempt, time(), $quizobj->is_preview_user());
/// Save the attempt in the database.
if (!($attempt->id = $DB->insert_record('quiz_attempts', $attempt))) {
    quiz_error($quiz, 'newattemptfail');
}
/// Log the new attempt.
if ($attempt->preview) {
    add_to_log($course->id, 'quiz', 'preview', 'view.php?id=' . $quizobj->get_cmid(), $quizobj->get_quizid(), $quizobj->get_cmid());
} else {
    add_to_log($course->id, 'quiz', 'attempt', 'review.php?attempt=' . $attempt->id, $quizobj->get_quizid(), $quizobj->get_cmid());
}
/// Fully load all the questions in this quiz.
$quizobj->preload_questions();
$quizobj->load_questions();
/// Create initial states for all questions in this quiz.
if (!($states = get_question_states($quizobj->get_questions(), $quizobj->get_quiz(), $attempt, $lastattemptid))) {
    print_error('cannotrestore', 'quiz');
}
/// Save all the newly created states.
foreach ($quizobj->get_questions() as $i => $question) {
    save_question_session($question, $states[$i]);
}
/// Redirect to the attempt page.

/**
 * The save started question usage and quiz attempt in db and log the started attempt.
 *
 * @param quiz                       $quizobj
 * @param question_usage_by_activity $quba
 * @param object                     $attempt
 * @return object                    attempt object with uniqueid and id set.
 */
function quiz_attempt_save_started($quizobj, $quba, $attempt)
{
    global $DB;
    // Save the attempt in the database.
    question_engine::save_questions_usage_by_activity($quba);
    $attempt->uniqueid = $quba->get_id();
    $attempt->id = $DB->insert_record('quiz_attempts', $attempt);
    // Params used by the events below.
    $params = array('objectid' => $attempt->id, 'relateduserid' => $attempt->userid, 'courseid' => $quizobj->get_courseid(), 'context' => $quizobj->get_context());
    // Decide which event we are using.
    if ($attempt->preview) {
        $params['other'] = array('quizid' => $quizobj->get_quizid());
        $event = \mod_quiz\event\attempt_preview_started::create($params);
    } else {
        $event = \mod_quiz\event\attempt_started::create($params);
    }
    // Trigger the event.
    $event->add_record_snapshot('quiz', $quizobj->get_quiz());
    $event->add_record_snapshot('quiz_attempts', $attempt);
    $event->trigger();
    return $attempt;
}

/**
 * The save started question usage and quiz attempt in db and log the started attempt.
 *
 * @param quiz                       $quizobj
 * @param question_usage_by_activity $quba
 * @param object                     $attempt
 * @return object                    attempt object with uniqueid and id set.
 */
function quiz_attempt_save_started($quizobj, $quba, $attempt) {
    global $DB;
    // Save the attempt in the database.
    question_engine::save_questions_usage_by_activity($quba);
    $attempt->uniqueid = $quba->get_id();
    $attempt->id = $DB->insert_record('quiz_attempts', $attempt);
    // Log the new attempt.
    if ($attempt->preview) {
        add_to_log($quizobj->get_courseid(), 'quiz', 'preview', 'view.php?id='.$quizobj->get_cmid(),
                   $quizobj->get_quizid(), $quizobj->get_cmid());
    } else {
        add_to_log($quizobj->get_courseid(), 'quiz', 'attempt', 'review.php?attempt='.$attempt->id,
                   $quizobj->get_quizid(), $quizobj->get_cmid());
    }
    return $attempt;
}

/**
 * Validate permissions for creating a new attempt and start a new preview attempt if required.
 *
 * @param  quiz $quizobj quiz object
 * @param  quiz_access_manager $accessmanager quiz access manager
 * @param  bool $forcenew whether was required to start a new preview attempt
 * @param  int $page page to jump to in the attempt
 * @param  bool $redirect whether to redirect or throw exceptions (for web or ws usage)
 * @return array an array containing the attempt information, access error messages and the page to jump to in the attempt
 * @throws moodle_quiz_exception
 * @since Moodle 3.1
 */
function quiz_validate_new_attempt(quiz $quizobj, quiz_access_manager $accessmanager, $forcenew, $page, $redirect)
{
    global $DB, $USER;
    $timenow = time();
    if ($quizobj->is_preview_user() && $forcenew) {
        $accessmanager->current_attempt_finished();
    }
    // Check capabilities.
    if (!$quizobj->is_preview_user()) {
        $quizobj->require_capability('mod/quiz:attempt');
    }
    // Check to see if a new preview was requested.
    if ($quizobj->is_preview_user() && $forcenew) {
        // To force the creation of a new preview, we mark the current attempt (if any)
        // as finished. It will then automatically be deleted below.
        $DB->set_field('quiz_attempts', 'state', quiz_attempt::FINISHED, array('quiz' => $quizobj->get_quizid(), 'userid' => $USER->id));
    }
    // Look for an existing attempt.
    $attempts = quiz_get_user_attempts($quizobj->get_quizid(), $USER->id, 'all', true);
    $lastattempt = end($attempts);
    $attemptnumber = null;
    // If an in-progress attempt exists, check password then redirect to it.
    if ($lastattempt && ($lastattempt->state == quiz_attempt::IN_PROGRESS || $lastattempt->state == quiz_attempt::OVERDUE)) {
        $currentattemptid = $lastattempt->id;
        $messages = $accessmanager->prevent_access();
        // If the attempt is now overdue, deal with that.
        $quizobj->create_attempt_object($lastattempt)->handle_if_time_expired($timenow, true);
        // And, if the attempt is now no longer in progress, redirect to the appropriate place.
        if ($lastattempt->state == quiz_attempt::ABANDONED || $lastattempt->state == quiz_attempt::FINISHED) {
            if ($redirect) {
                redirect($quizobj->review_url($lastattempt->id));
            } else {
                throw new moodle_quiz_exception($quizobj, 'attemptalreadyclosed');
            }
        }
        // If the page number was not explicitly in the URL, go to the current page.
        if ($page == -1) {
            $page = $lastattempt->currentpage;
        }
    } else {
        while ($lastattempt && $lastattempt->preview) {
            $lastattempt = array_pop($attempts);
        }
        // Get number for the next or unfinished attempt.
        if ($lastattempt) {
            $attemptnumber = $lastattempt->attempt + 1;
        } else {
            $lastattempt = false;
            $attemptnumber = 1;
        }
        $currentattemptid = null;
        $messages = $accessmanager->prevent_access() + $accessmanager->prevent_new_attempt(count($attempts), $lastattempt);
        if ($page == -1) {
            $page = 0;
        }
    }
    return array($currentattemptid, $attemptnumber, $lastattempt, $messages, $page);
}