I am trying ot grab the FULL url but only seem to be able to grab the first bit, everything after ? I cant seem to grab.

Here is my full path:

http://www.mysite.co.uk/detail.php?stock_ID=5

here is what Im getting:

http://www.mysite.co.uk/detail.php

and here is my code:

PHP Code:
$actual_link "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
echo 
$actual_link
Cheers before hand.