<?php session_start(); if (!isset($_SESSION['usuario'])) { header('Location: index.html'); exit(); } ?> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Pagina protegida</title> </head> <body> <h1>Test</h1> </body> </html>