<?php $server = "localhost"; $username = "pxm"; $password = "pixel"; $db_name = "pixeltube_db"; $conn = new mysqli($server, $username, $password, $db_name); $conn = new mysqli($server, $username, $password, $db_name); if ($conn->connect_error) { die("Connection failed: " . $conn->connect_error); } // Check if the form is submitted if ($_SERVER["REQUEST_METHOD"] == "POST") { // Get the form data $macAddress = $_POST['macAddress']; $dmxAddress = $_POST['dmxAddress']; $universe = $_POST['universe']; $update_query = "UPDATE tubes SET dmx_address = '$dmxAddress', universe = '$universe' WHERE mac_address = '$macAddress'"; } ?> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" href="bootstrap/css/bootstrap.min.css"> <script src="bootstrap/js/bootstrap.bundle.min.js"></script> <script src="jquery/jquery.min.js"></script> </head> <body class="d-flex align-items-center justify-content-center" style="min-height: 100vh;"> <div class="container"> <?php if ($conn->query($update_query) === TRUE) { header("Location: /"); $conn->close(); exit(); } else { echo '<p class="text-danger">Error updating settings: ' . $conn->error . '</p>'; $conn->close(); } ?> </div> </body> </html>