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Bug #29390 var_dump() treats recursive references differently for objects and arrays
Submitted: 2004-07-26 17:35 UTC Modified: 2005-02-14 01:00 UTC
Votes:4
Avg. Score:2.8 ± 1.5
Reproduced:2 of 2 (100.0%)
Same Version:0 (0.0%)
Same OS:1 (50.0%)
From: tim at tenkan dot org Assigned:
Status: No Feedback Package: Scripting Engine problem
PHP Version: 4.3.7 OS: linux
Private report: No CVE-ID: None
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From: tim at tenkan dot org
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 [2004-07-26 17:35 UTC] tim at tenkan dot org 
Description:
------------
var_dump() treats objects and arrays differently when they 
contain references to themselves.

Reproduce code:
---------------
<?php

class a {
}

$a = new a();
$a->foo =& $a;
var_dump($a);

$b = array();
$b[1] =& $b;
var_dump($b);


?>


Expected result:
----------------
object(a)(1) {
  ["foo"]=>
  &object(a)(1) {
    ["foo"]=>
    *RECURSION*
  }
}
array(1) {
  [1]=>
  &array(1) {
    [1]=>
    *RECURSION*
  }
}


Actual result:
--------------
object(a)(1) {
  ["foo"]=>
  &object(a)(1) {
    ["foo"]=>
    &object(a)(1) {
      ["foo"]=>
      *RECURSION*
    }
  }
}
array(1) {
  [1]=>
  array(1) {
    [1]=>
    *RECURSION*
  }
}

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AllCommentsChangesGit/SVN commitsRelated reports
 [2004-07-27 14:24 UTC] tony2001@php.net 
There are some memory leaks also:
/home/tony/CVS/php-src/Zend/zend_execute.c(662) :  Freeing 0x3D17C590 (16 bytes), script=var_dump.test.php
/home/tony/CVS/php-src/Zend/zend_execute.c(3360) :  Freeing 0x3D17B9E8 (32 bytes), script=var_dump.test.php
/home/tony/CVS/php-src/Zend/zend_hash.c(169) : Actual location (location was relayed)
Last leak repeated 1 time
/home/tony/CVS/php-src/Zend/zend_execute.c(3243) :  Freeing 0x3D174CB4 (16 bytes), script=var_dump.test.php
 [2005-02-03 04:58 UTC] sniper@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php4-STABLE-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php4-win32-STABLE-latest.zip
 [2005-02-14 01:00 UTC] php-bugs at lists dot php dot net 
No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
 
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