PHP Detect if any URL variables have been set

Posted by zuk1 on Stack Overflow See other posts from Stack Overflow or by zuk1
Published on 2010-05-20T15:05:57Z Indexed on 2010/05/20 15:10 UTC
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Hey guys, it's kind of hard to explain but basically I want to detect if any variables have been set through the URL. So with my IF statement all of the following should return true:

and all the following return false:

Any ideas?

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