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[SOLVED] $_GET


ngreenwood6

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I understand how to put something into the url through get

 

<a href="index.php?sort=desc">Descending</a>

 

The part I dont get is how do I make it universal so that I dont have to know what is going to be there already. For example if I want to add a page number to the end of this row i would do it like this:

 

<a href="index.php?sort=desc&page=1">Descending</a>

 

Now say for instance I didn't know what the url was going to be other than the fact that it was going to be index.php. How would I go about doing that? And if it was the first variable it would be with a ? instead of the & how can I make it know that it is going to be that?  Any help or links are appreciated. And please can someone make it easy to understand because I am a noob.

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