"; $subject_set = find_all_subjects(); while($subject = mysqli_fetch_assoc($subject_set)) { $output .= ""; $output .= $subject["menu_name"]; $output .= ""; $page_set = find_pages_for_subject($subject["id"]); $output .= "

"; while($page = mysqli_fetch_assoc($page_set)) { $output .= ""; $output .= $page["menu_name"]; $output .= ""; } mysqli_free_result($page_set); $output .= "

"; } mysqli_free_result($subject_set); $output .= ""; return $output; } ?>