$interbreadcrumb[] = array("url" => "exercise.php?" . api_get_cidreq(), "name" => get_lang('Exercises'));
$action = isset($_GET['action']) ? $_GET['action'] : '';
$content = '';
switch ($action) {
case 'addcategory':
$content = add_category_form('addcategory');
break;
case 'editcategory':
$content = edit_category_form('editcategory');
break;
case 'deletecategory':
delete_category_form('deletecategory');
break;
case 'export_category':
$archiveFile = 'export_exercise_categoroes_' . api_get_course_id() . '_' . api_get_local_time();
$categories = $category->getCategories($courseId, $sessionId);
$export = [];
$export[] = ['title', 'description'];
if (!empty($categories)) {
foreach ($categories as $category) {
$export[] = [$category['title'], $category['description']];
}
}
Export::arrayToCsv($export, $archiveFile);
exit;
break;
case 'import_category':
$form = importCategoryForm();
if ($form->validate()) {
$categories = Import::csv_reader($_FILES['file']['tmp_name']);
if (!empty($categories)) {
