Using $$

["Arno Kuhl" <akuhl@xxxxxxxxxxxx>]

I was looking at some old code that I'm convinced once worked but now using
php5 it doesn't seem to work anymore.
 
$input = "_REQUEST";
if (is_array($$input)) {
    // do something
}
 
 
I know $_REQUEST is an array, but $$input is NULL (I was expecting it ==
$_REQUEST).
 
I also tried ${$input} but same result.
 
I tested something other than a superglobal and it works as expected. What
am I missing?
 
Cheers
Arno



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