<?php
session_start();
require "koneksi.php"; // sesuaikan dengan file koneksi DB kamu

if (!isset($_SESSION['username'])) exit;

$username = $_SESSION['username'];
$difficulty = $_POST['difficulty'];
$time = intval($_POST['time']);

$stmt = $conn->prepare("INSERT INTO leaderboard_sudoku (username, difficulty, time_seconds) VALUES (?, ?, ?)");
$stmt->bind_param("ssi", $username, $difficulty, $time);
$stmt->execute();