#39202 [Bgs->Opn]: Temporary tables with references dereference
| From: | cpriest at warpmail dot net | Date: | Fri, 20 Oct 2006 16:07:17 +0000 |
| Subject: | #39202 [Bgs->Opn]: Temporary tables with references dereference | ||
| References: | 1 | Groups: | php.bugs |
| Request: | Send a blank email to php-bugs+get-103804@lists.php.net to get a copy of this message | ||
ID: 39202
User updated by: cpriest at warpmail dot net
Reported By: cpriest at warpmail dot net
-Status: Bogus
+Status: Open
Bug Type: Arrays related
Operating System: Apache 2.0.55
PHP Version: 5.1.6
New Comment:
I think there's some confusion here, if you look at the code source I
am only creating two objects. When I call getReferenced() it returns a
table which has references to the created objects.
When I go to change the name of the object in the second table (the one
with references) it doesn't change the real object. For some reason
there are then three objects when only two have been created.
If this is the expected behavior can you explain why? I don't
understand why a third object is being created when I have used
references.
Previous Comments:
------------------------------------------------------------------------
[2006-10-20 08:42:56] tony2001@php.net
See my explanation in the previous message.
No bug here.
------------------------------------------------------------------------
[2006-10-20 00:18:12] cpriest at warpmail dot net
Expected:
------------------------------------------
Array
(
[Test] => myClassA Object
(
[Name] => Object 3
)
[Test2] => myClassA Object
(
[Name] => Object 2
)
)
Array
(
[Test] => myClassA Object
(
[Name] => Object 3
)
[Test2] => myClassA Object
(
[Name] => Object 2
)
)
Actual:
--------------------------------------------
Array
(
[Test] => myClassA Object
(
[Name] => Object 1
)
[Test2] => myClassA Object
(
[Name] => Object 2
)
)
Array
(
[Test] => myClassA Object
(
[Name] => Object 3
)
[Test2] => myClassA Object
(
[Name] => Object 2
)
)
------------------------------------------------------------------------
[2006-10-19 21:11:57] tony2001@php.net
Can't reproduce.
After the first print_r() I see "Object 1" (because the object haven't
been changed yet), after ther second call I get "Object 3", which is
expected too.
Hint: when we say "expected and actual results" we usually mean
"copy/paste what you see and also attach what you expected to see", not
a "I expect to see ..".
------------------------------------------------------------------------
[2006-10-19 20:56:01] cpriest at warpmail dot net
Description:
------------
References in temporary tables de-reference their references upon
crossing function boundaries
Reproduce code:
---------------
<?php
class myClassA {
public $Name = '';
function __construct($Name) { $this->Name = $Name; }
}
global $tblData;
$tblData = array(
'Test' => new myClassA('Object 1'),
'Test2' => new myClassA('Object 2'),
);
function getReferenced() {
global $tblData;
$tblData2 = array(
'Test' => &$tblData['Test'],
'Test2' => &$tblData['Test2'],
);
return $tblData2;
}
echo '<plaintext>';
print_r($tblData);
$tblData2 = getReferenced();
$tblData2['Test']->Name = 'Object 3';
print_r($tblData2);
?>
Expected result:
----------------
I expect there to be only two objects at the end of the call, one with
a Name of 'Object 3' and one with a Name of 'Object 2'
Actual result:
--------------
Three objects exist, 'Object 1', 'Object 2', and 'Object 3'
------------------------------------------------------------------------
--
Edit this bug report at http://bugs.php.net/?id=39202&edit=1