<?php
header('Content-Type: application/xml; charset=utf-8');
$host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '';
$scheme = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? 'https' : 'http';
$base = $host ? $scheme . '://' . $host : '';
$today = date('Y-m-d');
$paths = ['/', '/features/', '/tutorial/', '/updates/', '/download/', '/help/', '/tips/', '/faq/', '/contact/'];
echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
?>
<urlset xmlns="<?php echo implode('', ['h','t','t','p',':','/','/','www','.','sitemaps','.','org','/schemas/sitemap/0.9']); ?>">
<?php foreach($paths as $path): ?>
  <url>
    <loc><?php echo htmlspecialchars($base . $path, ENT_QUOTES, 'UTF-8'); ?></loc>
    <lastmod><?php echo $today; ?></lastmod>
    <changefreq>daily</changefreq>
    <priority><?php echo $path === '/' ? '1.0' : '0.8'; ?></priority>
  </url>
<?php endforeach; ?>
</urlset>
