i have a form...

when the submit button is clicked it goes to another php file to process it and write to the db. after that is done, i want it to redirect to another page...how do i do that?
how do i make it goto to another page?



just a side question..not connected to the above

is there a way of checking if there is a query string, like if (_POST[] == null) or something like that? cause i want to do something different if theres no query string.

thanx a lot
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