$document = simplexml_load_file("http://www.websitelibrary.co.il/sitemap.xml");
 
foreach ($document->sitemap as $sitemap) 
{
	$sub_document = $sitemap->loc;
	
	$sitemap_array[] = $sub_document;
}
   
for($i = 0; $i < count($sitemap_array); $i++)
{
    $temp_doc = $sitemap_array[$i];
#	echo $temp_doc;
    
   $new_document = simplexml_load_file($temp_doc);
.........................................