<?php
header('Content-Type: application/xml; charset=utf-8');
$rawHost = $_SERVER['HTTP_HOST'] ?? ($_SERVER['SERVER_NAME'] ?? '');
$host = preg_replace('/[^A-Za-z0-9\.\-:]/', '', $rawHost);
$scheme = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? 'https' : 'http';
$origin = $host ? ($scheme . '://' . $host) : '';
$paths = ['/', '/products/', '/solutions/', '/cases/', '/news/', '/resources/', '/blog/', '/developer/', '/customer/', '/contact/'];
echo '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
?>
<urlset xmlns="<?php echo 'http://' . 'www.' . 'sitemaps' . '.org/schemas/sitemap/0.9'; ?>">
<?php foreach ($paths as $path): ?>
  <url>
    <loc><?php echo htmlspecialchars(rtrim($origin, '/') . $path, ENT_XML1, 'UTF-8'); ?></loc>
    <lastmod><?php echo date('Y-m-d'); ?></lastmod>
    <changefreq>weekly</changefreq>
    <priority><?php echo $path === '/' ? '1.0' : '0.8'; ?></priority>
  </url>
<?php endforeach; ?>
</urlset>
