Catch flash variable with Php

[fabiez]

I'm using this script in my movieclip and want to catch it in my php file

 

onClipEvent (enterFrame) {
_root.check = Math.round(_root.scale._x/3);
var my_lv:LoadVars = new LoadVars();
my_lv.test = Math.round(_root.scale._x/3);
my_lv.send("form.php",_self,"POST");
}

 

And I try to catch it with

<?php print $_REQUEST['test']; ?>

 

preciate any help