while ($row_course_rel_user=Database::fetch_array($res_course_rel_user)) {
$list_user_course_list[]=$row_course_rel_user;
}
$current_date=time();
for ($i=0;$i<count($list_user_course_list);$i++){
$sql_verified='SELECT COUNT(*) AS count FROM '.$tbl_grade_results.' WHERE user_id="'.$list_user_course_list[$i]['user_id'].'" AND evaluation_id="'.$evaluation_id.'";';
$sql_insert='INSERT INTO '.$tbl_grade_results.'(user_id,evaluation_id,date,score) values ("'.$list_user_course_list[$i]['user_id'].'","'.$evaluation_id.'","'.$current_date.'",0);';