
PHP код:
<?php
echo "<root><myxml id=\"1\">hello xml</myxml></root>";
?>

Код AS3:
var r:URLRequest = new URLRequest("hph.php");
var l:URLLoader = new URLLoader();
l.addEventListener(Event.COMPLETE, onc);
l.load(r);
function onc(e:Event):void {
var xml:XML = XML(e.target.data);
trace(xml.myxml.@id, xml.myxml);
}