<?php
if (count($_REQUEST) > 0) {
	print json_encode($_REQUEST);
	die();
}
?>
<script src="http://yui.yahooapis.com/3.0.0pr2/build/yui/yui.js" type="text/javascript"></script> 

<script>

YUI().use("io-base", function(Y) { 
	var url = 'nosource/request.php';
	var post = "this=is+the&coolest=hack&ever=";
	var cfg = {
		method: 'POST',
		data: post,
	};

	var callback = function(id, o, args) { alert(o.responseText); }

	Y.on('io:complete', callback, this);
    	var request = Y.io(url, cfg);
});
</script>

{"PHPSESSID":"1c176393d0282d50f4356bfa2006ebc4"}