ID:               16687
 Updated by:       [EMAIL PROTECTED]
 Reported By:      [EMAIL PROTECTED]
 Status:           Open
 Bug Type:         Documentation problem
 Operating System: Red Hat Linux 7.1
 PHP Version:      4.2.0
 New Comment:

I have already reported this problem, but nothing happened.
Superglobals seemed to be accessible with variable variables in the
global scope, but not in any local scope (inside a function). Derick
told me, that it is by design, but IMHO this is incosistent, and quite
ugly :((

--
Goba


Previous Comments:
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[2002-04-19 14:53:51] [EMAIL PROTECTED]

Reclassified.

It should be documented that due the special way super globals are
treated the cannot be used with variable variables.

------------------------------------------------------------------------

[2002-04-19 12:40:50] [EMAIL PROTECTED]

True true. Derick (or someone else) mind briefly explaining why this
is/has to be different?

------------------------------------------------------------------------

[2002-04-19 11:11:00] [EMAIL PROTECTED]

But then why does it work under certain circumstances and not others? 
Regardless whether intended or not, this is inconsistent behaviour.

I also think that having these differences between regular variables
and the "superglobals" shouldn't be necessary.  If I can't use them in
the same contexts as regular variables, then I would personally prefer
the $HTTP_*_VARS instead, because you can.

I have found my approach to abstracting this difference ($HTTP_*_VARS
vs. $_*) between PHP versions to be really beneficial to my scripts.  I
can abstract them both down to one name, and use a single reference to
the appropriate one instead of sticking if statements every time I need
to know which one to use.

Sorry to keep buggin' ya, but I think this may be a fair enough
argument for change.

------------------------------------------------------------------------

[2002-04-19 10:33:59] [EMAIL PROTECTED]

You can't use superglobals indirectly, check this:

$t = "_GET";
var_dump ($$t);

doesn't work neither, and it wasn't supposed to work.

However, this does work (because $HTTP_GET_VARS is not a superglobal):

$t = "HTTP_GET_VARS";
var_dump ($$t);


Derick

------------------------------------------------------------------------

[2002-04-18 19:09:09] [EMAIL PROTECTED]

reclassified

------------------------------------------------------------------------

The remainder of the comments for this report are too long. To view
the rest of the comments, please view the bug report online at
    http://bugs.php.net/16687

-- 
Edit this bug report at http://bugs.php.net/?id=16687&edit=1

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