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Bug #28832 Operator = doesn't copy $GLOBALS array
Submitted: 2004-06-18 17:00 UTC Modified: 2005-02-15 01:38 UTC
Votes:3
Avg. Score:2.3 ± 1.9
Reproduced:3 of 3 (100.0%)
Same Version:2 (66.7%)
Same OS:2 (66.7%)
From: tomas_matousek at hotmail dot com Assigned:
Status: Not a bug Package: Scripting Engine problem
PHP Version: 5.0.0RC3 OS: WinXP
Private report: No CVE-ID: None
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 [2004-06-18 17:00 UTC] tomas_matousek at hotmail dot com 
Description:
------------
When the operator = is used on user created array on RHS this array will be copied to LHS. But if $GLOBALS variable is used on RHS a copy is not made. It seems like it behaves as =& when used on $GLOBALS which is IMHO not correct.


Reproduce code:
---------------
$x = 1;
$a = $GLOBALS;
$a["x"] = 2;
echo $x;             

Expected result:
----------------
1

Actual result:
--------------
2

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 [2005-01-25 09:30 UTC] barond0 at gmail dot com 
Is this possibly just the way globals work?  I am having the same problem with PHP 4.3.8 running on Fedora.

This is what I am trying:

$GLOBALS['test']="info";

$a=$GLOBALS['test']

I expect $a to be "info," but it does not work
 [2005-02-15 01:38 UTC] tony2001@php.net 
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php

"Contains a reference to every variable which is currently available within the global scope of the script. The keys of this array are the names of the global variables."

As of this, you're copying array of *references* to global variables. No wonder that you're still able to change them.
That's expected behaviour.
 
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