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Subject: Re: variable variables in global - bug?
From: pollita@php.net

> It was brought to my attention that this code is legal in PHP 4:
>
> function foo($param = 'test')
> {
>      global $$param;
>      echo $$param;
> }
>
> $test = 'bar';
> foo(); // prints bar
>
> Is this a feature or a bug? (Should we support this syntax in
> phpDocumentor, or might it change in php 5?)
>
It's a feature, and it ain't goin' nowhere.