public static function get_activities_list($id_course, $DB) { $listid = report_activities_manager::extract_items_id_list_from_db($id_course, $DB); $listinfos = report_activities_manager::extract_info_grades_list_from_db($listid, $DB); $listidmoy = report_activities_manager::mapping_id_moy($listid, $listinfos); $listecart = report_activities_manager::extract_ecart_from_db($listidmoy, $DB); $final_result = report_activities_manager::mapping_data($listid, $listinfos, $listecart); return $final_result; }