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Subject: Re: [PHP-DEV] Variable Variables and Superglobals
From: pollita@php.net ("Sara Golemon")

> function foo($arg){
>     $lvar="_ENV";
>
>     echo $_ENV["OS"]; // --> Windows NT
>     echo ${$arg}["OS"]; // --> *nothing*
>     echo ${$lvar}["OS"]; // --> *nothing*
>     var_dump( $$arg ); // --> NULL
>     var_dump( $$lvar); // --> NULL
> }
> // END //////////////////////////////////////////////////////////////
>

        echo $GLOBALS[$lvar]['OS'];