<?php
/**
 * This file checks if the user is logged in and redirects to the login page if not.
 * It's meant to be included by other pages that require authentication.
 */

// Start session if not already started
if (session_status() === PHP_SESSION_NONE) {
    session_start();
}

// Check if user is logged in
if (!isset($_SESSION['admin_id']) || empty($_SESSION['admin_id'])) {
    // User is not logged in, redirect to login page
    header("Location: login.php");
    exit();
}