PHP ChamiloSession::erase方法代码示例

function unset_session_resources()
{
    $_SESSION['addedresource'] = '';
    $_SESSION['addedresourceid'] = '';
    Session::erase(addedresource);
    Session::erase(addedresourceid);
}

 /**
  * @param Application $app
  * @param string $type courses|sessions|mycoursecategories
  * @param string $filter for the userportal courses page. Only works when setting 'history'
  * @param int $page
  *
  * @return Response|void
  */
 public function indexAction(Application $app, $type = 'courses', $filter = 'current', $page = 1)
 {
     // @todo Use filters like "after/before|finish" to manage user access
     api_block_anonymous_users();
     // Abort request because the user is not allowed here - @todo use filters
     if ($app['allowed'] == false) {
         return $app->abort(403, 'Not allowed');
     }
     // Main courses and session list
     $items = null;
     $type = str_replace('/', '', $type);
     /** @var \PageController $pageController */
     $pageController = $app['page_controller'];
     switch ($type) {
         case 'sessions':
             $items = $pageController->returnSessions(api_get_user_id(), $filter, $page);
             break;
         case 'sessioncategories':
             $items = $pageController->returnSessionsCategories(api_get_user_id(), $filter, $page);
             break;
         case 'courses':
             $items = $pageController->returnCourses(api_get_user_id(), $filter, $page);
             break;
         case 'mycoursecategories':
             $items = $pageController->returnMyCourseCategories(api_get_user_id(), $filter, $page);
             break;
         case 'specialcourses':
             $items = $pageController->returnSpecialCourses(api_get_user_id(), $filter, $page);
             break;
     }
     //Show the chamilo mascot
     if (empty($items) && empty($filter)) {
         $pageController->return_welcome_to_course_block($app['template']);
     }
     /*
             $app['my_main_menu'] = function($app) {
                 $menu = $app['knp_menu.factory']->createItem('root');
                 $menu->addChild('Home', array('route' => api_get_path(WEB_CODE_PATH)));
                 return $menu;
             };
             $app['knp_menu.menus'] = array('main' => 'my_main_menu');*/
     $app['template']->assign('content', $items);
     $pageController->setCourseSessionMenu();
     $pageController->setProfileBlock();
     $pageController->setUserImageBlock();
     $pageController->setCourseBlock($filter);
     $pageController->setSessionBlock();
     $pageController->return_reservation_block();
     $pageController->returnNavigationLinks($app['template']->getNavigationLinks());
     $app['template']->assign('search_block', $pageController->return_search_block());
     $app['template']->assign('classes_block', $pageController->return_classes_block());
     $pageController->returnSkillsLinks();
     // Deleting the session_id.
     Session::erase('session_id');
     $response = $app['template']->render_template('userportal/index.tpl');
     return new Response($response, 200, array());
 }

 /**
  *
  * @global int $_cid
  * @global array $_course
  * @global int $_gid
  *
  * @param int $group_id
  * @param bool $reset
  */
 static function init_group($group_id, $reset)
 {
     global $_cid;
     global $_course;
     global $_gid;
     if ($reset) {
         // session data refresh requested
         if ($group_id && $_cid && !empty($_course['real_id'])) {
             // have keys to search data
             $group_table = Database::get_course_table(TABLE_GROUP);
             $sql = "SELECT * FROM {$group_table} WHERE c_id = " . $_course['real_id'] . " AND id = '{$group_id}'";
             $result = Database::query($sql);
             if (Database::num_rows($result) > 0) {
                 // This group has recorded status related to this course
                 $gpData = Database::fetch_array($result);
                 $_gid = $gpData['id'];
                 Session::write('_gid', $_gid);
             } else {
                 Session::erase('_gid');
             }
         } elseif (isset($_SESSION['_gid']) or isset($_gid)) {
             // Keys missing => not anymore in the group - course relation
             Session::erase('_gid');
         }
     } elseif (isset($_SESSION['_gid'])) {
         // continue with the previous values
         $_gid = $_SESSION['_gid'];
     } else {
         //if no previous value, assign caracteristic undefined value
         $_gid = -1;
     }
     //set variable according to student_view_enabled choices
     if (api_get_setting('course.student_view_enabled') == "true") {
         if (isset($_GET['isStudentView'])) {
             if ($_GET['isStudentView'] == 'true') {
                 if (isset($_SESSION['studentview'])) {
                     if (!empty($_SESSION['studentview'])) {
                         // switching to studentview
                         $_SESSION['studentview'] = 'studentview';
                     }
                 }
             } elseif ($_GET['isStudentView'] == 'false') {
                 if (isset($_SESSION['studentview'])) {
                     if (!empty($_SESSION['studentview'])) {
                         // switching to teacherview
                         $_SESSION['studentview'] = 'teacherview';
                     }
                 }
             }
         } elseif (!empty($_SESSION['studentview'])) {
             //all is fine, no change to that, obviously
         } elseif (empty($_SESSION['studentview'])) {
             // We are in teacherview here
             $_SESSION['studentview'] = 'teacherview';
         }
     }
 }

$template = new Template(get_lang('GradebookListOfStudentsCertificates'));
if (Session::has('reportErrorMessage')) {
    $template->assign('errorMessage', Session::read('reportErrorMessage'));
}
$searchBySessionCourseDateForm = new FormValidator('certificate_report_form', 'post', api_get_path(WEB_CODE_PATH) . 'gradebook/certificate_report.php');
$searchBySessionCourseDateForm->addSelect('session', get_lang('Sessions'), $sessions, ['id' => 'session']);
$searchBySessionCourseDateForm->addSelect('course', get_lang('Courses'), $courses, ['id' => 'course']);
$searchBySessionCourseDateForm->addGroup([$searchBySessionCourseDateForm->createElement('select', 'month', null, $months, ['id' => 'month']), $searchBySessionCourseDateForm->createElement('text', 'year', null, ['id' => 'year', 'placeholder' => get_lang('Year')])], null, get_lang('Date'));
$searchBySessionCourseDateForm->addButtonSearch();
$searchBySessionCourseDateForm->setDefaults(['session' => $selectedSession, 'course' => $selectedCourse, 'month' => $selectedMonth, 'year' => $selectedYear]);
if (api_is_student_boss()) {
    foreach ($userList as $studentId) {
        $students[$studentId] = api_get_user_info($studentId)['complete_name_with_username'];
    }
    $searchByStudentForm = new FormValidator('certificate_report_form', 'post', api_get_path(WEB_CODE_PATH) . 'gradebook/certificate_report.php');
    $searchByStudentForm->addSelect('student', get_lang('Students'), $students, ['id' => 'student']);
    $searchByStudentForm->addButtonSearch();
    $searchByStudentForm->setDefaults(['student' => $selectedStudent]);
    $template->assign('searchByStudentForm', $searchByStudentForm->returnForm());
}
$template->assign('searchBySessionCourseDateForm', $searchBySessionCourseDateForm->returnForm());
$template->assign('sessions', $sessions);
$template->assign('courses', $courses);
$template->assign('months', $months);
$template->assign('exportAllLink', $exportAllLink);
$template->assign('certificateStudents', $certificateStudents);
$content = $template->fetch("default/gradebook/certificate_report.tpl");
$template->assign('content', $content);
$template->display_one_col_template();
Session::erase('reportErrorMessage');

        }
    }
    $form_data = CourseManager::redirectToCourse($form_data);
    $form_register = new FormValidator('form_register', 'post', $form_data['action']);
    if (!empty($form_data['message'])) {
        $form_register->addElement('html', $form_data['message'] . '<br /><br />');
    }
    if ($usersCanCreateCourse) {
        $form_register->addElement('html', $form_data['button']);
    } else {
        $form_register->addElement('html', $form_data['go_button']);
    }
    $text_after_registration .= $form_register->returnForm();
    // Just in case
    Session::erase('course_redirect');
    Session::erase('exercise_redirect');
    if (CustomPages::enabled()) {
        CustomPages::display(CustomPages::REGISTRATION_FEEDBACK, array('info' => $text_after_registration));
    } else {
        //$tpl = new Template($tool_name);
        echo Container::getTemplating()->render('@template_style/auth/inscription.html.twig', ['inscription_content' => $content, 'text_after_registration' => $text_after_registration, 'hide_header' => $hideHeaders]);
    }
} else {
    // Custom pages
    if (CustomPages::enabled()) {
        CustomPages::display(CustomPages::REGISTRATION, array('form' => $form));
    } else {
        if (!api_is_anonymous()) {
            // Saving user to course if it was set.
            if (!empty($course_code_redirect)) {
                $course_info = api_get_course_info($course_code_redirect);

*
*	@package chamilo.exercise
* 	@author Julio Montoya <gugli100@gmail.com>
*/
/**
 * Code
 */
use ChamiloSession as Session;
$language_file = 'exercice';
require_once 'exercise.class.php';
//require_once '../inc/global.inc.php';
$current_course_tool = TOOL_QUIZ;
// Clear the exercise session just in case
$objExercise = Session::read('objExercise');
if (isset($objExercise)) {
    Session::erase('objExercise');
}
$this_section = SECTION_COURSES;
// Notice for unauthorized people.
api_protect_course_script(true);
$exercise_id = isset($_REQUEST['exerciseId']) ? intval($_REQUEST['exerciseId']) : 0;
$objExercise = new Exercise();
$result = $objExercise->read($exercise_id);
if (!$result) {
    api_not_allowed(true);
}
$gradebook = isset($_GET['gradebook']) ? Security::remove_XSS($_GET['gradebook']) : null;
$learnpath_id = isset($_REQUEST['learnpath_id']) ? intval($_REQUEST['learnpath_id']) : null;
$learnpath_item_id = isset($_REQUEST['learnpath_item_id']) ? intval($_REQUEST['learnpath_item_id']) : null;
$origin = isset($_REQUEST['origin']) ? Security::remove_XSS($_REQUEST['origin']) : null;
$interbreadcrumb[] = array("url" => "exercice.php?gradebook={$gradebook}", "name" => get_lang('Exercices'));

$this_section = SECTION_COURSES;
$current_course_tool = TOOL_COURSE_MAINTENANCE;
api_protect_course_script(true);
$_course = api_get_course_info();
$current_course_code = $_course['official_code'];
$current_course_name = $_course['name'];
if (!api_is_allowed_to_edit()) {
    api_not_allowed(true);
}
$tool_name = get_lang('DelCourse');
if (isset($_GET['delete']) && $_GET['delete'] == 'yes') {
    CourseManager::delete_course($_course['sysCode']);
    $obj_cat = new Category();
    $obj_cat->update_category_delete($_course['sysCode']);
    // DELETE CONFIRMATION MESSAGE
    Session::erase('_cid');
    Session::erase('_real_cid');
    $noPHP_SELF = true;
    $message = '<h2>' . get_lang('Course') . ' : ' . $current_course_name . ' (' . $current_course_code . ') </h2>';
    $message .= get_lang('HasDel');
    $message .= '<br /><br /><a href="../../index.php">' . get_lang('BackHome') . ' ' . api_get_setting('platform.site_name') . '</a>';
} else {
    $message = '<h3>' . get_lang('Course') . ' : ' . $current_course_name . ' (' . $current_course_code . ') </h3>';
    $message .= '<p>' . get_lang('ByDel') . '</p>';
    $message .= '<p><a class="btn btn-primary" href="' . api_get_path(WEB_CODE_PATH) . 'course_info/maintenance.php?' . api_get_cidreq() . '">' . get_lang('No') . '</a>&nbsp;<a class="btn" href="' . api_get_self() . '?delete=yes&' . api_get_cidreq() . '">' . get_lang('Yes') . '</a></p>';
    $interbreadcrumb[] = array('url' => 'maintenance.php', 'name' => get_lang('Maintenance'));
}
Display::display_header($tool_name, 'Settings');
echo Display::page_header($tool_name);
Display::display_warning_message($message, false);
Display::display_footer();

//Impress js
if ($learnPath->mode == 'impress') {
    $lp_id = $learnPath->get_id();
    $url = api_get_path(WEB_CODE_PATH) . "newscorm/lp_impress.php?lp_id={$lp_id}&" . api_get_cidreq();
    header("Location: {$url}");
    exit;
}
// Prepare variables for the test tool (just in case) - honestly, this should disappear later on.
Session::write('scorm_view_id', $learnPath->get_view_id());
Session::write('scorm_item_id', $lp_item_id);
$exerciseFromSession = Session::read('exerciseResult');
// Reinit exercises variables to avoid spacename clashes (see exercise tool)
if (isset($exerciseResult) || isset($exerciseFromSession)) {
    Session::erase('exerciseResult');
    Session::erase('objExercise');
    Session::erase('questionList');
}
// additional APIs
$htmlHeadXtra[] = '<script>
chamilo_courseCode = "' . $course_code . '";
</script>';
// Document API
//$htmlHeadXtra[] = '<script src="js/documentapi.js" type="text/javascript" language="javascript"></script>';
// Storage API
$htmlHeadXtra[] = '<script>
var sv_user = \'' . api_get_user_id() . '\';
var sv_course = chamilo_courseCode;
var sv_sco = \'' . intval($_REQUEST['lp_id']) . '\';
</script>';
// FIXME fetch sco and userid from a more reliable source directly in sotrageapi.js
//$htmlHeadXtra[] = '<script type="text/javascript" src="js/storageapi.js"></script>';

            $content = '<p><div><strong>' . get_lang('Description') . ':</strong><p>' . Security::remove_XSS($my_folder_data['description'], STUDENT) . '</p></div></p>';
        }
        if (api_is_allowed_to_edit() || api_is_coach()) {
            // Work list
            $content .= '<div class="toolbar-works"><a id="open-view-list" class="btn btn-primary" href="#"><i class="fa fa-users"></i> Ver Estudiantes</a></div>';
            $content .= '<div class="row">';
            $content .= '<div class="col-md-12">';
            $content .= '<div id="work-list" class="table-responsive">';
            $content .= showTeacherWorkGrid();
            $content .= '</div>';
            $content .= '</div>';
            $content .= '<div id="student-list-work" style="display: none" class="table-responsive">';
            $content .= '<div class="toolbar"><a id="closed-view-list" href="#"><i class="fa fa-times-circle"></i> ' . get_lang('Close') . '</a></div>';
            $content .= showStudentList($work_id);
            $content .= '</div>';
        } else {
            $content .= showStudentWorkGrid();
        }
        break;
}
Display::display_header(null);
Display::display_introduction_section(TOOL_STUDENTPUBLICATION);
if ($origin == 'learnpath') {
    echo '<div style="height:15px">&nbsp;</div>';
}
display_action_links($work_id, $curdirpath, $action);
$message = Session::read('message');
echo $message;
Session::erase('message');
echo $content;
Display::display_footer();

/**
 * @param string $username
 */
function api_clean_account_captcha($username)
{
    $userInfo = api_get_user_info_from_username($username);
    if (empty($userInfo)) {
        return false;
    }
    Session::erase('loginFailedCount');
    UserManager::update_extra_field_value($userInfo['user_id'], 'captcha_blocked_until_date', null);
}

/**
 * This function stores which users have to be notified of which forums or threads
 *
 * @param string $content does the user want to be notified about a forum or about a thread
 * @param integer $id the id of the forum or thread
 * @return string language variable
 * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
 * @version May 2008, dokeos 1.8.5
 * @since May 2008, dokeos 1.8.5
 */
function set_notification($content, $id, $add_only = false)
{
    $_user = api_get_user_info();
    // Database table definition
    $table_notification = Database::get_course_table(TABLE_FORUM_NOTIFICATION);
    $course_id = api_get_course_int_id();
    // Which database field do we have to store the id in?
    if ($content == 'forum') {
        $database_field = 'forum_id';
    } else {
        $database_field = 'thread_id';
    }
    // First we check if the notification is already set for this.
    $sql = "SELECT * FROM {$table_notification}\n            WHERE\n                c_id = {$course_id} AND\n                {$database_field} = '" . Database::escape_string($id) . "' AND\n                user_id = '" . intval($_user['user_id']) . "'";
    $result = Database::query($sql);
    $total = Database::num_rows($result);
    // If the user did not indicate that (s)he wanted to be notified already
    // then we store the notification request (to prevent double notification requests).
    if ($total <= 0) {
        $sql = "INSERT INTO {$table_notification} (c_id, {$database_field}, user_id)\n                VALUES (" . $course_id . ", '" . Database::escape_string($id) . "','" . intval($_user['user_id']) . "')";
        Database::query($sql);
        Session::erase('forum_notification');
        get_notifications_of_user(0, true);
        return get_lang('YouWillBeNotifiedOfNewPosts');
    } else {
        if (!$add_only) {
            $sql = "DELETE FROM {$table_notification}\n                    WHERE\n                        c_id = {$course_id} AND\n                        {$database_field} = '" . Database::escape_string($id) . "' AND\n                        user_id = '" . intval($_user['user_id']) . "'";
            Database::query($sql);
            Session::erase('forum_notification');
            get_notifications_of_user(0, true);
            return get_lang('YouWillNoLongerBeNotifiedOfNewPosts');
        }
    }
}

 /**
  * Destroys the message session
  */
 public static function cleanFlashMessages()
 {
     Session::erase('flash_messages');
 }

}

//check for flash and message
$sniff_notification = '';
$some_activex = isset($_SESSION['sniff_check_some_activex']) ? $_SESSION['sniff_check_some_activex'] : null;
$some_plugins = isset($_SESSION['sniff_check_some_plugins']) ? $_SESSION['sniff_check_some_plugins'] : null;

if(!empty($some_activex) || !empty($some_plugins)){
	if (! preg_match("/flash_yes/", $some_activex) && ! preg_match("/flash_yes/", $some_plugins)) {
		$sniff_notification = Display::return_message(get_lang('NoFlash'), 'warning', true);
		//js verification - To annoying of redirecting every time the page
		$controller->tpl->assign('sniff_notification',  $sniff_notification);
	}
}

$controller->tpl->assign('profile_block', $controller->return_profile_block());
$controller->tpl->assign('user_image_block', $controller->return_user_image_block());
$controller->tpl->assign('course_block', $controller->return_course_block());
$controller->tpl->assign('navigation_course_links', $controller->return_navigation_links());
$controller->tpl->assign('reservation_block', $controller->return_reservation_block());
$controller->tpl->assign('search_block', $controller->return_search_block());
$controller->tpl->assign('classes_block', $controller->return_classes_block());

//if (api_is_platform_admin() || api_is_drh()) {
$controller->tpl->assign('skills_block', $controller->return_skills_links());
//}
$controller->tpl->display_two_col_template();

// Deleting the session_id.
Session::erase('session_id');

/**
 * This function exports the given Chamilo test
 * @param    integer    Test ID
 * @return string     The test itself as an HTML string
 */
function export_exercise($item_id)
{
    global $expdir, $_course, $_configuration, $_SESSION, $_SERVER, $language_interface, $langExerciseNotFound, $langQuestion, $langOk, $origin, $questionNum;
    $exerciseId = $item_id;
    require_once '../exercice/exercise.class.php';
    require_once '../exercice/question.class.php';
    require_once '../exercice/answer.class.php';
    $TBL_EXERCISES = Database::get_course_table(TABLE_QUIZ_TEST);
    /* Clears the exercise session */
    if (isset($_SESSION['objExercise'])) {
        Session::erase('objExercise');
    }
    if (isset($_SESSION['objQuestion'])) {
        Session::erase('objQuestion');
    }
    if (isset($_SESSION['objAnswer'])) {
        Session::erase('objAnswer');
    }
    if (isset($_SESSION['questionList'])) {
        Session::erase('questionList');
    }
    if (isset($_SESSION['exerciseResult'])) {
        Session::erase('exerciseResult');
    }
    // If the object is not in the session:
    if (!isset($_SESSION['objExercise'])) {
        // Construction of Exercise.
        $objExercise = new Exercise();
        $sql = "SELECT title,description,sound,type,random,active FROM {$TBL_EXERCISES} WHERE iid='{$exerciseId}'";
        // If the specified exercise doesn't exist or is disabled:
        if (!$objExercise->read($exerciseId) || !$objExercise->selectStatus() && !api_is_allowed_to_edit() && $origin != 'learnpath') {
            die($langExerciseNotFound);
        }
        // Saves the object into the session.
        Session::write('objExercise', $objExercise);
    }
    $exerciseTitle = $objExercise->selectTitle();
    $exerciseDescription = $objExercise->selectDescription();
    $exerciseSound = $objExercise->selectSound();
    $randomQuestions = $objExercise->isRandom();
    $exerciseType = $objExercise->selectType();
    if (!isset($_SESSION['questionList'])) {
        // Selects the list of question ID.
        $questionList = $randomQuestions ? $objExercise->selectRandomList() : $objExercise->selectQuestionList();
        // Saves the question list into the session.
        Session::write('questionList', $questionList);
    }
    $nbrQuestions = sizeof($questionList);
    // If questionNum comes from POST and not from GET:
    if (!$questionNum || $_POST['questionNum']) {
        // Only used for sequential exercises (see $exerciseType).
        if (!$questionNum) {
            $questionNum = 1;
        } else {
            $questionNum++;
        }
    }
    $test .= "<h3>" . $exerciseTitle . "</h3>";
    if (!empty($exerciseSound)) {
        $test .= "<a href=\"../document/download.php?doc_url=%2Faudio%2F" . $exerciseSound . "\"&SQMSESSID=36812c2dea7d8d6e708d5e6a2f09b0b9 target=\"_blank\"><img src=\"../img/sound.gif\" border=\"0\" align=\"absmiddle\" alt=" . get_lang("Sound") . "\" /></a>";
    }
    // Writing the .js file with to check the correct answers begin.
    $scriptfilename = "Exercice" . $item_id . ".js";
    $s = "<script type=\"text/javascript\" src='../js/" . $scriptfilename . "'></script>";
    $test .= $s;
    $content = "function evaluate() {\n        alert('Test evaluated.');\n        }\n        ";
    if (!($handle = fopen($expdir . '/js/' . $scriptfilename, 'w'))) {
        echo "Cannot open file ({$scriptfilename})";
    }
    if (fwrite($handle, $content) === false) {
        echo "Cannot write to file ({$filename})";
        exit;
    }
    fclose($handle);
    // Writing the .js file with to check the correct answers end.
    $s = "\n        <p>{$exerciseDescription}</p>\n        <table width='100%' border='0' cellpadding='1' cellspacing='0'>\n         <form method='post' action=''><input type=\"hidden\" name=\"SQMSESSID\" value=\"36812c2dea7d8d6e708d5e6a2f09b0b9\" />\n         <input type='hidden' name='formSent' value='1' />\n         <input type='hidden' name='exerciseType' value='" . $exerciseType . "' />\n         <input type='hidden' name='questionNum' value='" . $questionNum . "' />\n         <input type='hidden' name='nbrQuestions' value='" . $nbrQuestions . "' />\n         <tr>\n          <td>\n          <table width='100%' cellpadding='4' cellspacing='2' border='0'>";
    $exerciseType = 1;
    // So to list all questions in one page.
    $test .= $s;
    $i = 0;
    foreach ($questionList as $questionId) {
        $i++;
        // For sequential exercises.
        if ($exerciseType == 2) {
            // If it is not the right question, goes to the next loop iteration.
            if ($questionNum != $i) {
                continue;
            } else {
                // if the user has already answered this question:
                if (isset($exerciseResult[$questionId])) {
                    // Construction of the Question object.
                    $objQuestionTmp = new Question();
                    // Reads question informations.
                    $objQuestionTmp->read($questionId);
                    $questionName = $objQuestionTmp->selectTitle();
//.........这里部分代码省略.........

                $nbrActiveTests = $nbrActiveTests + 1;
                $item .= Display::tag('td', '<a href="showinframes.php?' . api_get_cidreq() . '&file=' . $path . '&cid=' . api_get_course_id() . '&uid=' . api_get_user_id() . '"' . (!$active ? 'class="invisible"' : '') . '">' . $title . '</a>');
                //$item .= Display::tag('td', '');
                $actions = '<a href="hotpotatoes_exercise_report.php?' . api_get_cidreq() . '&path=' . $path . '&filter_by_user=' . api_get_user_id() . '">' . Display::return_icon('test_results.png', get_lang('Results'), '', ICON_SIZE_SMALL) . '</a>';
                $item .= Display::tag('td', $actions);
                echo Display::tag('tr', $item, array('class' => $class));
            }
        }
        $count++;
    }
}
echo '</table>';
if (empty($exercise_list) && $hotpotatoes_exist == false) {
    if ($is_allowedToEdit && $origin != 'learnpath') {
        echo '<div id="no-data-view">';
        echo '<h2>' . get_lang('Quiz') . '</h2>';
        echo Display::return_icon('quiz.png', '', array(), 64);
        echo '<div class="controls">';
        echo Display::url(get_lang('NewEx'), 'exercise_admin.php?' . api_get_cidreq(), array('class' => 'btn'));
        echo '</div>';
        echo '</div>';
    }
}
if ($origin != 'learnpath') {
    //so we are not in learnpath tool
    Display::display_footer();
}
Session::erase('objExercise');
Session::erase('objQuestion');
Session::erase('objAnswer');