<?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';
$origin = $host ? $scheme . '://' . $host : '';
$paths = ['/', '/features/', '/guide/', '/updates/', '/download/', '/help/', '/tips/', '/faq/', '/contact/', '/about/'];
echo '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<?php foreach ($paths as $path): ?>
  <url>
    <loc><?php echo htmlspecialchars($origin . $path, ENT_XML1, 'UTF-8'); ?></loc>
    <lastmod><?php echo date('Y-m-d'); ?></lastmod>
    <changefreq>daily</changefreq>
    <priority><?php echo $path === '/' ? '1.0' : '0.8'; ?></priority>
  </url>
<?php endforeach; ?>
</urlset>
