<?php
session_start();
header('Content-Type: application/json; charset=utf-8');

echo json_encode([
    'sesion_activa' => isset($_SESSION['usuario']),
    'usuario_datos' => $_SESSION['usuario'] ?? null,
    'session_id' => session_id(),
    'session_status' => session_status(),
    'cookie_params' => session_get_cookie_params(),
    'todas_las_sesiones' => $_SESSION ?? []
], JSON_PRETTY_PRINT);
?>