Bug #60082 [NEW]: 100% CPU / when using references with ArrayObject(&$ref).

From: Date: Mon, 17 Oct 2011 22:30:44 +0000
Subject: Bug #60082 [NEW]: 100% CPU / when using references with ArrayObject(&$ref).
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-164385@lists.php.net to get a copy of this message 
From:             
Operating system: GNU/Linux
PHP version:      5.3.8
Package:          SPL related
Bug Type:         Bug
Bug description:100% CPU / when using references with ArrayObject(&$ref).

Description:
------------
100% CPU / when using references with ArrayObject(&$ref).

Passing a copy works.

Test script:
---------------
$test = array();
$test = new ArrayObject(&$test);
$test['a'] = $test['b'];

or:

$GLOBALS = new ArrayObject(&$GLOBALS);
$a = $GLOBALS['b'];

Expected result:
----------------
Set $test['a'] or $a to NULL with an undefined offset/index warning.

Actual result:
--------------
Endless Loop / CPU goes up 100% and stays.

-- 
Edit bug report at https://bugs.php.net/bug.php?id=60082&edit=1
-- 
Try a snapshot (PHP 5.4):            https://bugs.php.net/fix.php?id=60082&r=trysnapshot54
Try a snapshot (PHP 5.3):            https://bugs.php.net/fix.php?id=60082&r=trysnapshot53
Try a snapshot (trunk):              https://bugs.php.net/fix.php?id=60082&r=trysnapshottrunk
Fixed in SVN:                        https://bugs.php.net/fix.php?id=60082&r=fixed
Fixed in SVN and need be documented: https://bugs.php.net/fix.php?id=60082&r=needdocs
Fixed in release:                    https://bugs.php.net/fix.php?id=60082&r=alreadyfixed
Need backtrace:                      https://bugs.php.net/fix.php?id=60082&r=needtrace
Need Reproduce Script:               https://bugs.php.net/fix.php?id=60082&r=needscript
Try newer version:                   https://bugs.php.net/fix.php?id=60082&r=oldversion
Not developer issue:                 https://bugs.php.net/fix.php?id=60082&r=support
Expected behavior:                   https://bugs.php.net/fix.php?id=60082&r=notwrong
Not enough info:                     https://bugs.php.net/fix.php?id=60082&r=notenoughinfo
Submitted twice:                     https://bugs.php.net/fix.php?id=60082&r=submittedtwice
register_globals:                    https://bugs.php.net/fix.php?id=60082&r=globals
PHP 4 support discontinued:          https://bugs.php.net/fix.php?id=60082&r=php4
Daylight Savings:                    https://bugs.php.net/fix.php?id=60082&r=dst
IIS Stability:                       https://bugs.php.net/fix.php?id=60082&r=isapi
Install GNU Sed:                     https://bugs.php.net/fix.php?id=60082&r=gnused
Floating point limitations:          https://bugs.php.net/fix.php?id=60082&r=float
No Zend Extensions:                  https://bugs.php.net/fix.php?id=60082&r=nozend
MySQL Configuration Error:           https://bugs.php.net/fix.php?id=60082&r=mysqlcfg

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