Using $_GET and $_POST together
I find myself writing PHP scripts to do backend Ajax work. One of the problems I often come up against is that I need to be able to call the same script either using a query string and pulling the variables from $_GET or via a form and calling the variables from $_POST. I usually use a variable named action to determine what the script needs to do and it would be easier if I could use one variable to reference both types.
Yes, I know about $_REQUEST. The problem with that is that it includes $_COOKIES as well and I don’t want to get any more than I need.
So what I’ve started doing is using array_merge() to create a new variable that contains both $_GET and $_POST.
Notice that the $_GET array comes before $_POST. The way array_merge works in case of an overlapping string key the later array passed will overwrite anything previously added. That way if I have both $_GET['action'] and $_POST['action'] $arrMerge will contain the $_POST['action'].
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