how do i aquire the current webpages full url?

I have two links in the footer of my website.
<a href="http://jigsaw.w3.org/css-validator/validator?uri=http://www.blablabla.com/css.css">valid css</a>

and

<a href="http://validator.w3.org/check?uri=http://www.blablabla.com">

however, whenever a user changes page the links in the footer maybe pointing to a location not relevant to the page the user is currently on.

My question is, how do I replace http://www.blabla.com with the actual full url of the page the user is on?
Antonio KingIT ManagerAsked:
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steelseth12Connect With a Mentor Commented:
to get the current url use

print "http://".$_SERVER['HTTP_HOST']."/".$_SERVER['PHP_SELF'].($_SERVER['QUERY_STRING']?"?".$_SERVER['QUERY_STRING']:"");
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Antonio KingIT ManagerAuthor Commented:
Fan Dabby Doosie! :D
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