Sindbad~EG File Manager

<?php
    session_start(); // Start session to access session variables
    
    // Check if user is not logged in, redirect to login page
    if (!isset($_SESSION['loggedin']) || $_SESSION['loggedin'] !== true) {
        header("Location: login.php");
        exit;
    }
?>
<?php
include 'db.php'; // Ensure this file contains your database connection code

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $username = $_POST['username'];
    $password = password_hash($_POST['password'], PASSWORD_BCRYPT); // Hash the password
    $email = $_POST['email'];

    // Prepare SQL query to insert data into users table
    $sql = "INSERT INTO users (username, password, email) VALUES ('$username', '$password', '$email')";

    if (mysqli_query($conn, $sql)) {
        echo "New user created successfully";
    } else {
        echo "Error: " . $sql . "<br>" . mysqli_error($conn);
    }

    mysqli_close($conn);
}
?>