function sitemap_loop($array, $level) {
	global $domain; global $xml;
	foreach($array as $key => $item) {
		if(is_array($item) && !isset($item['link'])) {
			sitemap_loop($item, $level + 1);
		}
		else {
			$xml .= "\t\t<url>\n";
			$xml .= "\t\t\t<loc>$domain.$item[link]<\/loc>\n";
			$xml .= "\t\t\t<lastmod>$item[lastmod]<\/lastmod>\n";
			$xml .= "\t\t</url>\n";
		}
	}
}

$xml = '';
sitemap_loop($sitemap_array,0);