<?php
header('Content-Type: application/xml; charset=utf-8');
$scheme = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? 'https' : 'http';
$currentHost = $_SERVER['HTTP_HOST'] ?? ($_SERVER['SERVER_NAME'] ?? '');
$baseUrl = $currentHost ? $scheme . '://' . $currentHost : '';
$paths = ['/', '/brand-trend/', '/video-square/', '/ai-play/', '/music-acg/', '/creator-arena/', '/contact/', '/street-diary/', '/music-carnival/', '/ai-workshop/', '/personality-show/', '/young-topic/'];
$today = date('Y-m-d');
echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
?>
<urlset xmlns="<?= 'http' . '://www.sitemaps.org/schemas/sitemap/0.9' ?>">
<?php foreach ($paths as $path): ?>
  <url>
    <loc><?= htmlspecialchars($baseUrl . $path, ENT_QUOTES, 'UTF-8') ?></loc>
    <lastmod><?= $today ?></lastmod>
    <changefreq>daily</changefreq>
    <priority><?= $path === '/' ? '1.0' : '0.8' ?></priority>
  </url>
<?php endforeach; ?>
</urlset>
