PHP quiz_has_grades函数代码示例

 public function update_user_preferences()
 {
     parent::update_user_preferences();
     if (quiz_has_grades($this->quiz)) {
         set_user_preference('quiz_overview_slotmarks', $this->slotmarks);
     }
 }

 protected function other_preference_fields(MoodleQuickForm $mform) {
     if (quiz_has_grades($this->_customdata['quiz'])) {
         $mform->addElement('selectyesno', 'slotmarks',
                 get_string('showdetailedmarks', 'quiz_overview'));
     } else {
         $mform->addElement('hidden', 'slotmarks', 0);
     }
 }

 public function test_quiz_has_grades()
 {
     $quiz = new stdClass();
     $quiz->grade = '100.0000';
     $quiz->sumgrades = '100.0000';
     $this->assertTrue(quiz_has_grades($quiz));
     $quiz->sumgrades = '0.0000';
     $this->assertFalse(quiz_has_grades($quiz));
     $quiz->grade = '0.0000';
     $this->assertFalse(quiz_has_grades($quiz));
     $quiz->sumgrades = '100.0000';
     $this->assertFalse(quiz_has_grades($quiz));
 }

 /**
  * Should the grades be displayed in this report. That depends on the quiz
  * display options, and whether the quiz is graded.
  * @param object $quiz the quiz settings.
  * @return bool
  */
 protected function should_show_grades($quiz)
 {
     if (!is_null($this->showgrades)) {
         return $this->showgrades;
     }
     if ($quiz->timeclose && time() > $quiz->timeclose) {
         $when = mod_quiz_display_options::AFTER_CLOSE;
     } else {
         $when = mod_quiz_display_options::LATER_WHILE_OPEN;
     }
     $reviewoptions = mod_quiz_display_options::make_from_quiz($quiz, $when);
     $this->showgrades = quiz_has_grades($quiz) && ($reviewoptions->marks >= question_display_options::MARK_AND_MAX || has_capability('moodle/grade:viewhidden', $this->context));
     return $this->showgrades;
 }

 * Create view object for use within renderers file
 */
$viewobj = new mod_quiz_view_object();
$viewobj->attempts = $attempts;
$viewobj->accessmanager = $accessmanager;
$viewobj->canreviewmine = $canreviewmine;

// Print table with existing attempts
if ($attempts) {
    // Work out which columns we need, taking account what data is available in each attempt.
    list($someoptions, $alloptions) = quiz_get_combined_reviewoptions($quiz, $attempts, $context);

    $viewobj->attemptcolumn = $quiz->attempts != 1;

    $viewobj->gradecolumn = $someoptions->marks >= question_display_options::MARK_AND_MAX &&
            quiz_has_grades($quiz);
    $viewobj->markcolumn = $viewobj->gradecolumn && ($quiz->grade != $quiz->sumgrades);
    $viewobj->overallstats = $lastfinishedattempt && $alloptions->marks >= question_display_options::MARK_AND_MAX;

    $viewobj->feedbackcolumn = quiz_has_feedback($quiz) && $alloptions->overallfeedback;
} else {
    $viewobj->attemptcolumn = 1;
}

$viewobj->timenow = $timenow;
$viewobj->numattempts = $numattempts;
$viewobj->mygrade = $mygrade;
$viewobj->moreattempts = $unfinished ||
        !$accessmanager->is_finished($numattempts, $lastfinishedattempt);
$viewobj->mygradeoverridden = $mygradeoverridden;
$viewobj->gradebookfeedback = $gradebookfeedback;

        }
        if (!empty($grade->str_feedback)) {
            $gradebookfeedback = $grade->str_feedback;
        }
    }
}
$title = $course->shortname . ': ' . format_string($quiz->name);
$PAGE->set_title($title);
$PAGE->set_heading($course->fullname);
$output = $PAGE->get_renderer('mod_quiz');
// Print table with existing attempts.
if ($attempts) {
    // Work out which columns we need, taking account what data is available in each attempt.
    list($someoptions, $alloptions) = quiz_get_combined_reviewoptions($quiz, $attempts, $context);
    $viewobj->attemptcolumn = $quiz->attempts != 1;
    $viewobj->gradecolumn = $someoptions->marks >= question_display_options::MARK_AND_MAX && quiz_has_grades($quiz);
    $viewobj->markcolumn = $viewobj->gradecolumn && $quiz->grade != $quiz->sumgrades;
    $viewobj->overallstats = $lastfinishedattempt && $alloptions->marks >= question_display_options::MARK_AND_MAX;
    $viewobj->feedbackcolumn = quiz_has_feedback($quiz) && $alloptions->overallfeedback;
}
$viewobj->timenow = $timenow;
$viewobj->numattempts = $numattempts;
$viewobj->mygrade = $mygrade;
$viewobj->moreattempts = $unfinished || !$accessmanager->is_finished($numattempts, $lastfinishedattempt);
$viewobj->mygradeoverridden = $mygradeoverridden;
$viewobj->gradebookfeedback = $gradebookfeedback;
$viewobj->lastfinishedattempt = $lastfinishedattempt;
$viewobj->canedit = has_capability('mod/quiz:manage', $context);
$viewobj->editurl = new moodle_url('/mod/quiz/edit.php', array('cmid' => $cm->id));
$viewobj->backtocourseurl = new moodle_url('/course/view.php', array('id' => $course->id));
$viewobj->startattempturl = $quizobj->start_attempt_url();

 /**
  * Display the report.
  */
 function display($quiz, $cm, $course)
 {
     global $CFG, $COURSE, $DB, $PAGE, $OUTPUT;
     $context = get_context_instance(CONTEXT_MODULE, $cm->id);
     // Work out some display options - whether there is feedback, and whether scores should be shown.
     $hasfeedback = quiz_has_feedback($quiz);
     $fakeattempt = new stdClass();
     $fakeattempt->preview = false;
     $fakeattempt->timefinish = $quiz->timeopen;
     $fakeattempt->userid = 0;
     $reviewoptions = quiz_get_reviewoptions($quiz, $fakeattempt, $context);
     $showgrades = quiz_has_grades($quiz) && $reviewoptions->scores;
     $download = optional_param('download', '', PARAM_ALPHA);
     if ($attemptids = optional_param('attemptid', array(), PARAM_INT)) {
         //attempts need to be deleted
         require_capability('mod/quiz:deleteattempts', $context);
         $attemptids = optional_param('attemptid', array(), PARAM_INT);
         foreach ($attemptids as $attemptid) {
             add_to_log($course->id, 'quiz', 'delete attempt', 'report.php?id=' . $cm->id, $attemptid, $cm->id);
             quiz_delete_attempt($attemptid, $quiz);
         }
         //No need for a redirect, any attemptids that do not exist are ignored.
         //So no problem if the user refreshes and tries to delete the same attempts
         //twice.
     }
     $pageoptions = array();
     $pageoptions['id'] = $cm->id;
     $pageoptions['q'] = $quiz->id;
     $pageoptions['mode'] = 'responses';
     $reporturl = new moodle_url($CFG->wwwroot . '/mod/quiz/report.php', $pageoptions);
     $qmsubselect = quiz_report_qm_filter_select($quiz);
     /// find out current groups mode
     $currentgroup = groups_get_activity_group($cm, true);
     $mform = new mod_quiz_report_responses_settings($reporturl, array('qmsubselect' => $qmsubselect, 'quiz' => $quiz, 'currentgroup' => $currentgroup));
     if ($fromform = $mform->get_data()) {
         $attemptsmode = $fromform->attemptsmode;
         if ($qmsubselect) {
             //control is not on the form if
             //the grading method is not set
             //to grade one attempt per user eg. for average attempt grade.
             $qmfilter = $fromform->qmfilter;
         } else {
             $qmfilter = 0;
         }
         set_user_preference('quiz_report_pagesize', $fromform->pagesize);
         $pagesize = $fromform->pagesize;
     } else {
         $qmfilter = optional_param('qmfilter', 0, PARAM_INT);
         $attemptsmode = optional_param('attemptsmode', null, PARAM_INT);
         if ($attemptsmode === null) {
             //default
             $attemptsmode = QUIZ_REPORT_ATTEMPTS_ALL;
         } else {
             if ($currentgroup) {
                 //default for when a group is selected
                 if ($attemptsmode === null || $attemptsmode == QUIZ_REPORT_ATTEMPTS_ALL) {
                     $attemptsmode = QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH;
                 }
             } else {
                 if (!$currentgroup && $course->id == SITEID) {
                     //force report on front page to show all, unless a group is selected.
                     $attemptsmode = QUIZ_REPORT_ATTEMPTS_ALL;
                 }
             }
         }
         $pagesize = get_user_preferences('quiz_report_pagesize', 0);
     }
     if ($pagesize < 1) {
         $pagesize = QUIZ_REPORT_DEFAULT_PAGE_SIZE;
     }
     // We only want to show the checkbox to delete attempts
     // if the user has permissions and if the report mode is showing attempts.
     $candelete = has_capability('mod/quiz:deleteattempts', $context) && $attemptsmode != QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH_NO;
     $displayoptions = array();
     $displayoptions['attemptsmode'] = $attemptsmode;
     $displayoptions['qmfilter'] = $qmfilter;
     //work out the sql for this table.
     if (!($students = get_users_by_capability($context, array('mod/quiz:reviewmyattempts', 'mod/quiz:attempt'), '', '', '', '', '', '', false))) {
         $students = array();
     } else {
         $students = array_keys($students);
     }
     if (empty($currentgroup)) {
         // all users who can attempt quizzes
         $allowed = $students;
         $groupstudents = array();
     } else {
         // all users who can attempt quizzes and who are in the currently selected group
         if (!($groupstudents = get_users_by_capability($context, array('mod/quiz:reviewmyattempts', 'mod/quiz:attempt'), '', '', '', '', $currentgroup, '', false))) {
             $groupstudents = array();
         } else {
             $groupstudents = array_keys($groupstudents);
         }
         $allowed = $groupstudents;
     }
     $questions = quiz_report_load_questions($quiz);
     $table = new quiz_report_responses_table($quiz, $qmsubselect, $groupstudents, $students, $questions, $candelete, $reporturl, $displayoptions);
//.........这里部分代码省略.........

        $rows[] = '<tr><th scope="row" class="cell">' . get_string('attempts', 'quiz') . '</th><td class="cell">' . $attemptlist . '</td></tr>';
    }
}
/// Timing information.
$rows[] = '<tr><th scope="row" class="cell">' . get_string('startedon', 'quiz') . '</th><td class="cell">' . userdate($attempt->timestart) . '</td></tr>';
if ($attempt->timefinish) {
    $rows[] = '<tr><th scope="row" class="cell">' . get_string('completedon', 'quiz') . '</th><td class="cell">' . userdate($attempt->timefinish) . '</td></tr>';
    $rows[] = '<tr><th scope="row" class="cell">' . get_string('timetaken', 'quiz') . '</th><td class="cell">' . $timetaken . '</td></tr>';
}
if (!empty($overtime)) {
    $rows[] = '<tr><th scope="row" class="cell">' . get_string('overdue', 'quiz') . '</th><td class="cell">' . $overtime . '</td></tr>';
}
/// Show scores (if the user is allowed to see scores at the moment).
$grade = quiz_rescale_grade($attempt->sumgrades, $quiz, false);
if ($options->scores) {
    if (quiz_has_grades($quiz)) {
        if ($overtime) {
            $result->sumgrades = "0";
            $result->grade = "0.0";
        }
        /// Show raw marks only if they are different from the grade (like on the view page.
        if ($quiz->grade != $quiz->sumgrades) {
            $a = new stdClass();
            $a->grade = quiz_format_grade($quiz, $attempt->sumgrades);
            $a->maxgrade = quiz_format_grade($quiz, $quiz->sumgrades);
            $rows[] = '<tr><th scope="row" class="cell">' . get_string('marks', 'quiz') . '</th><td class="cell">' . get_string('outofshort', 'quiz', $a) . '</td></tr>';
        }
        /// Now the scaled grade.
        $a = new stdClass();
        $a->grade = '<b>' . quiz_format_grade($quiz, $grade) . '</b>';
        $a->maxgrade = quiz_format_grade($quiz, $quiz->grade);

            $mygrade = $grade->grade + 0;
            // Convert to number.
            $mygradeoverridden = true;
        }
        if (!empty($grade->str_feedback)) {
            $gradebookfeedback = $grade->str_feedback;
        }
    }
}
/// Print table with existing attempts
if ($attempts) {
    echo $OUTPUT->heading(get_string('summaryofattempts', 'quiz'));
    // Work out which columns we need, taking account what data is available in each attempt.
    list($someoptions, $alloptions) = quiz_get_combined_reviewoptions($quiz, $attempts, $context);
    $attemptcolumn = $quiz->attempts != 1;
    $gradecolumn = $someoptions->scores && quiz_has_grades($quiz);
    $markcolumn = $gradecolumn && $quiz->grade != $quiz->sumgrades;
    $overallstats = $alloptions->scores;
    $feedbackcolumn = quiz_has_feedback($quiz) && $alloptions->overallfeedback;
    // Prepare table header
    $table = new html_table();
    $table->class = 'generaltable quizattemptsummary';
    $table->head = array();
    $table->align = array();
    $table->size = array();
    if ($attemptcolumn) {
        $table->head[] = get_string('attempt', 'quiz');
        $table->align[] = 'center';
        $table->size[] = '';
    }
    $table->head[] = get_string('timecompleted', 'quiz');

/**
 * @param object $quiz the quiz database row.
 * @return bool Whether this quiz has any non-blank feedback text.
 */
function quiz_has_feedback($quiz) {
    global $DB;
    static $cache = array();
    if (!array_key_exists($quiz->id, $cache)) {
        $cache[$quiz->id] = quiz_has_grades($quiz) &&
                $DB->record_exists_select('quiz_feedback', "quizid = ? AND " .
                    $DB->sql_isnotempty('quiz_feedback', 'feedbacktext', false, true),
                array($quiz->id));
    }
    return $cache[$quiz->id];
}

        $summarydata['attemptlist'] = array('title' => get_string('attempts', 'quiz'), 'content' => $attemptlist);
    }
}
// Timing information.
$summarydata['startedon'] = array('title' => get_string('startedon', 'quiz'), 'content' => userdate($attempt->timestart));
$summarydata['state'] = array('title' => get_string('attemptstate', 'quiz'), 'content' => quiz_attempt::state_name($attempt->state));
if ($attempt->state == quiz_attempt::FINISHED) {
    $summarydata['completedon'] = array('title' => get_string('completedon', 'quiz'), 'content' => userdate($attempt->timefinish));
    $summarydata['timetaken'] = array('title' => get_string('timetaken', 'quiz'), 'content' => $timetaken);
}
if (!empty($overtime)) {
    $summarydata['overdue'] = array('title' => get_string('overdue', 'quiz'), 'content' => $overtime);
}
// Show marks (if the user is allowed to see marks at the moment).
$grade = quiz_rescale_grade($attempt->sumgrades, $quiz, false);
if ($options->marks >= question_display_options::MARK_AND_MAX && quiz_has_grades($quiz)) {
    if ($attempt->state != quiz_attempt::FINISHED) {
        // Cannot display grade.
    } else {
        if (is_null($grade)) {
            $summarydata['grade'] = array('title' => get_string('grade', 'quiz'), 'content' => quiz_format_grade($quiz, $grade));
        } else {
            // Show raw marks only if they are different from the grade (like on the view page).
            if ($quiz->grade != $quiz->sumgrades) {
                $a = new stdClass();
                $a->grade = quiz_format_grade($quiz, $attempt->sumgrades);
                $a->maxgrade = quiz_format_grade($quiz, $quiz->sumgrades);
                $summarydata['marks'] = array('title' => get_string('marks', 'quiz'), 'content' => get_string('outofshort', 'quiz', $a));
            }
            // Now the scaled grade.
            $a = new stdClass();

/**
 * Should the grades be displayed in this report. That depends on the quiz
 * display options, and whether the quiz is graded.
 * @param object $quiz the quiz settings.
 * @param context $context the quiz context.
 * @return bool
 */
function quiz_report_should_show_grades($quiz, context $context)
{
    if ($quiz->timeclose && time() > $quiz->timeclose) {
        $when = mod_quiz_display_options::AFTER_CLOSE;
    } else {
        $when = mod_quiz_display_options::LATER_WHILE_OPEN;
    }
    $reviewoptions = mod_quiz_display_options::make_from_quiz($quiz, $when);
    return quiz_has_grades($quiz) && ($reviewoptions->marks >= question_display_options::MARK_AND_MAX || has_capability('moodle/grade:viewhidden', $context));
}

//.........这里部分代码省略.........
    } else {
        $userselect = '';
    }

    if ($groupid) {
        $groupselect = 'AND gm.groupid = :groupid';
        $groupjoin   = 'JOIN {groups_members} gm ON  gm.userid=u.id';
        $params['groupid'] = $groupid;
    } else {
        $groupselect = '';
        $groupjoin   = '';
    }

    $params['timestart'] = $timestart;
    $params['quizid'] = $quiz->id;

    if (!$attempts = $DB->get_records_sql("
              SELECT qa.*,
                     u.firstname, u.lastname, u.email, u.picture, u.imagealt
                FROM {quiz_attempts} qa
                     JOIN {user} u ON u.id = qa.userid
                     $groupjoin
               WHERE qa.timefinish > :timestart
                 AND qa.quiz = :quizid
                 AND qa.preview = 0
                     $userselect
                     $groupselect
            ORDER BY qa.timefinish ASC", $params)) {
        return;
    }

    $context         = context_module::instance($cm->id);
    $accessallgroups = has_capability('moodle/site:accessallgroups', $context);
    $viewfullnames   = has_capability('moodle/site:viewfullnames', $context);
    $grader          = has_capability('mod/quiz:viewreports', $context);
    $groupmode       = groups_get_activity_groupmode($cm, $course);

    if (is_null($modinfo->groups)) {
        // Load all my groups and cache it in modinfo.
        $modinfo->groups = groups_get_user_groups($course->id);
    }

    $usersgroups = null;
    $aname = format_string($cm->name, true);
    foreach ($attempts as $attempt) {
        if ($attempt->userid != $USER->id) {
            if (!$grader) {
                // Grade permission required.
                continue;
            }

            if ($groupmode == SEPARATEGROUPS and !$accessallgroups) {
                if (is_null($usersgroups)) {
                    $usersgroups = groups_get_all_groups($course->id,
                            $attempt->userid, $cm->groupingid);
                    if (is_array($usersgroups)) {
                        $usersgroups = array_keys($usersgroups);
                    } else {
                        $usersgroups = array();
                    }
                }
                if (!array_intersect($usersgroups, $modinfo->groups[$cm->id])) {
                    continue;
                }
            }
        }

        $options = quiz_get_review_options($quiz, $attempt, $context);

        $tmpactivity = new stdClass();

        $tmpactivity->type       = 'quiz';
        $tmpactivity->cmid       = $cm->id;
        $tmpactivity->name       = $aname;
        $tmpactivity->sectionnum = $cm->sectionnum;
        $tmpactivity->timestamp  = $attempt->timefinish;

        $tmpactivity->content = new stdClass();
        $tmpactivity->content->attemptid = $attempt->id;
        $tmpactivity->content->attempt   = $attempt->attempt;
        if (quiz_has_grades($quiz) && $options->marks >= question_display_options::MARK_AND_MAX) {
            $tmpactivity->content->sumgrades = quiz_format_grade($quiz, $attempt->sumgrades);
            $tmpactivity->content->maxgrade  = quiz_format_grade($quiz, $quiz->sumgrades);
        } else {
            $tmpactivity->content->sumgrades = null;
            $tmpactivity->content->maxgrade  = null;
        }

        $tmpactivity->user = new stdClass();
        $tmpactivity->user->id        = $attempt->userid;
        $tmpactivity->user->firstname = $attempt->firstname;
        $tmpactivity->user->lastname  = $attempt->lastname;
        $tmpactivity->user->fullname  = fullname($attempt, $viewfullnames);
        $tmpactivity->user->picture   = $attempt->picture;
        $tmpactivity->user->imagealt  = $attempt->imagealt;
        $tmpactivity->user->email     = $attempt->email;

        $activities[$index++] = $tmpactivity;
    }
}

    /**
     * Display the report.
     */
    function display($quiz, $cm, $course) {
        global $CFG, $COURSE, $DB, $OUTPUT;

        $this->context = get_context_instance(CONTEXT_MODULE, $cm->id);

        // Work out some display options - whether there is feedback, and whether scores should be shown.
        $hasfeedback = quiz_has_feedback($quiz);
        $fakeattempt = new stdClass();
        $fakeattempt->preview = false;
        $fakeattempt->timefinish = $quiz->timeopen;
        $fakeattempt->userid = 0;
        $reviewoptions = quiz_get_reviewoptions($quiz, $fakeattempt, $this->context);
        $showgrades = quiz_has_grades($quiz) && $reviewoptions->scores;

        $download = optional_param('download', '', PARAM_ALPHA);

        /// find out current groups mode
        $currentgroup = groups_get_activity_group($cm, true);
        if (!$students = get_users_by_capability($this->context, array('mod/quiz:reviewmyattempts', 'mod/quiz:attempt'),'u.id,1','','','','','',false)) {
            $students = array();
        } else {
            $students = array_keys($students);
        }

        if (empty($currentgroup)) {
            // all users who can attempt quizzes
            $allowed = $students;
            $groupstudents = array();
        } else {
            // all users who can attempt quizzes and who are in the currently selected group
            if (!$groupstudents = get_users_by_capability($this->context, array('mod/quiz:reviewmyattempts', 'mod/quiz:attempt'),'u.id,1','','','',$currentgroup,'',false)) {
                $groupstudents = array();
            } else {
                $groupstudents = array_keys($groupstudents);
            }
            $allowed = $groupstudents;
        }

        $pageoptions = array();
        $pageoptions['id'] = $cm->id;
        $pageoptions['mode'] = 'overview';

        $reporturl = new moodle_url('/mod/quiz/report.php', $pageoptions);
        $qmsubselect = quiz_report_qm_filter_select($quiz);

        $mform = new mod_quiz_report_overview_settings($reporturl, array('qmsubselect'=> $qmsubselect, 'quiz'=>$quiz,
                                                             'currentgroup'=>$currentgroup, 'context'=>$this->context));
        if ($fromform = $mform->get_data()) {
            $regradeall = false;
            $regradealldry = false;
            $regradealldrydo = false;
            $attemptsmode = $fromform->attemptsmode;
            if ($qmsubselect) {
                //control is not on the form if
                //the grading method is not set
                //to grade one attempt per user eg. for average attempt grade.
                $qmfilter = $fromform->qmfilter;
            } else {
                $qmfilter = 0;
            }
            $regradefilter = $fromform->regradefilter;
            set_user_preference('quiz_report_overview_detailedmarks', $fromform->detailedmarks);
            set_user_preference('quiz_report_pagesize', $fromform->pagesize);
            $detailedmarks = $fromform->detailedmarks;
            $pagesize = $fromform->pagesize;
        } else {
            $regradeall  = optional_param('regradeall', 0, PARAM_BOOL);
            $regradealldry  = optional_param('regradealldry', 0, PARAM_BOOL);
            $regradealldrydo  = optional_param('regradealldrydo', 0, PARAM_BOOL);
            $attemptsmode = optional_param('attemptsmode', null, PARAM_INT);
            if ($qmsubselect) {
                $qmfilter = optional_param('qmfilter', 0, PARAM_INT);
            } else {
                $qmfilter = 0;
            }
            $regradefilter = optional_param('regradefilter', 0, PARAM_INT);

            $detailedmarks = get_user_preferences('quiz_report_overview_detailedmarks', 1);
            $pagesize = get_user_preferences('quiz_report_pagesize', 0);
        }
        if ($currentgroup) {
            //default for when a group is selected
            if ($attemptsmode === null  || $attemptsmode == QUIZ_REPORT_ATTEMPTS_ALL) {
                $attemptsmode = QUIZ_REPORT_ATTEMPTS_STUDENTS_WITH;
            }
        } else if (!$currentgroup && $course->id == SITEID) {
            //force report on front page to show all, unless a group is selected.
            $attemptsmode = QUIZ_REPORT_ATTEMPTS_ALL;
        } else if ($attemptsmode === null) {
            //default
            $attemptsmode = QUIZ_REPORT_ATTEMPTS_ALL;
        }
        if (!$reviewoptions->scores) {
            $detailedmarks = 0;
        }
        if ($pagesize < 1) {
            $pagesize = QUIZ_REPORT_DEFAULT_PAGE_SIZE;
//.........这里部分代码省略.........

function quiz_user_complete($course, $user, $mod, $quiz)
{
    global $DB;
    /// Print a detailed representation of what a  user has done with
    /// a given particular instance of this module, for user activity reports.
    if ($attempts = $DB->get_records('quiz_attempts', array('userid' => $user->id, 'quiz' => $quiz->id), 'attempt')) {
        if (quiz_has_grades($quiz) && ($grade = quiz_get_best_grade($quiz, $user->id))) {
            echo get_string('grade') . ': ' . $grade . '/' . quiz_format_grade($quiz, $quiz->grade) . '<br />';
        }
        foreach ($attempts as $attempt) {
            echo get_string('attempt', 'quiz') . ' ' . $attempt->attempt . ': ';
            if ($attempt->timefinish == 0) {
                print_string('unfinished');
            } else {
                echo quiz_format_grade($quiz, $attempt->sumgrades) . '/' . quiz_format_grade($quiz, $quiz->sumgrades);
            }
            echo ' - ' . userdate($attempt->timemodified) . '<br />';
        }
    } else {
        print_string('noattempts', 'quiz');
    }
    return true;
}