<?php include_once('../../mysql.php'); if($_SERVER['REQUEST_METHOD'] == 'POST') { if(!isset($_POST['milestoneID'])) { echo "error"; exit; } $db = new DB(); $db->createTables(); if($db->markAllTasksAsDone($_POST['milestoneID']) == false) { echo "error"; exit; } else { echo "success"; exit; } } else { echo "error"; exit; }