<?php
$xml=<<<XML
<FONT COLOR=#ff0000><?xml version="1.0" standalone="yes"?></FONT>
<cars xmlns:c="http://w3cschool.cn/ns">
&nbsp;&nbsp;  <c:car id="1">Volvo</c:car>
&nbsp;&nbsp;  <c:car id="2">BMW</c:car>
&nbsp;&nbsp;  <c:car id="3">Saab</c:car>    
</cars>
XML;
&nbsp; 
$sxe=new SimpleXMLElement($xml);
$ns=$sxe->getDocNamespaces();
print_r($ns);
?>