connect_error) { $success=0; die("Connection failed: " . $conn->connect_error); } $stmt = $conn->prepare("UPDATE users set email = ?, username = ? where username = ?"); $stmt->bind_param("sss", $email, $username_new, $username); $email=htmlspecialchars($_POST["email"]); $username_new=htmlspecialchars($_POST["username"]); $stmt->execute(); $stmt->close(); $conn->close(); $username=$username_new; $_SESSION["username"]=$username; $_SESSION["email"]=$email; } ?>