<?php
   session_start(); // Start the session
   
   // Redirect to login page if the user is not logged in
   if (!isset($_SESSION['user_id'])) {
       header("Location: sign-in");
       exit();
   }
   
   include 'db_connection.php';
   
   // Fetch the user's data from the database
   $user_id = $_SESSION['user_id'];
   $sql = "SELECT * FROM users WHERE id = $user_id";
   $result = mysqli_query($conn, $sql);
   
   if (mysqli_num_rows($result) > 0) {
       $user = mysqli_fetch_assoc($result);
   } else {
       echo "User not found.";
       exit();
   }
    
   ?>