<?php
session_start();

if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['action'] === 'darkmode') {
    $darkmode = $_POST['value'] === 'true' ? 'true' : 'false';
    $_SESSION['darkmode'] = $darkmode; // Update the session to reflect the new mode

    // Send a JSON response back to JavaScript
    header('Content-Type: application/json');
    echo json_encode(['darkmode' => $darkmode]);
    exit;
}