HTTP_GET_VARS question

Well, I have a question, shouldnt be to hard.

I am trying to check the url for a query string and run code off of what i find for example:

//on the main page
<a href="/phppage.php?action1">Run Action1</a>
<a href="/phppage.php?action2">Run Action2</a>

what I cant get is how to code the script to see if the var is there. Maybe I just havent had enough coffee yet 😉

Ohhh well DUHHHHH!!!

After i posted I went back to poder and it hit me. So problem solved. That figures though, I would find it after asking and looking dumb 🙁 oh well

here is the awnser in case someone else is looking for it

if (isset($HTTP_GET_VARS[action1]))
     //run your code