<?php
header('Content-Type: application/xml; charset=UTF-8');
$host = isset($_SERVER['HTTP_HOST']) ? preg_replace('/[^A-Za-z0-9\-\.:]/', '', $_SERVER['HTTP_HOST']) : '';
$scheme = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? 'https' : 'http';
$base = $host ? $scheme . '://' . $host : '';
$urls = ['/', '/topics/', '/boards/', '/discover/', '/rank/', '/mine/', '/brand-story/', '/picks/', '/square/', '/users/', '/help/', '/rules/', '/news/', '/activity/', '/contact/', '/about/'];
echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
echo "<urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">\n";
foreach ($urls as $u) {
  echo "  <url><loc>" . htmlspecialchars($base . $u, ENT_XML1, 'UTF-8') . "</loc><lastmod>" . date('Y-m-d') . "</lastmod><changefreq>weekly</changefreq><priority>" . ($u==='/'?'1.0':'0.8') . "</priority></url>\n";
}
echo "</urlset>";
?>
