From: forjest at gmail dot com
Operating system: WinXP, Linux
PHP version: 4.4.7
PHP Bug Type: Arrays related
Bug description: Internal pointer of source array resets during array copying
Description:
------------
Bug first appeared in 4.4.2. Version 4.4.1 works okay.
5.1.4, 5.2.1 has this bug too.
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Seems algorithm of array copying was changed at 4.4.2 and 5.1.2 versions.
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This behavior cause problems in unexpected situations such as error
handling functions, when array pointer reseted due copying from another
array which reference to it.
Reproduce code:
---------------
$Foo = array('val1', 'val2', 'val3');
end($Foo);
var_dump(key($Foo));
$MagicInternalPointerResetter = $Foo;
var_dump(key($Foo));
--
Code describing unexpected results of this behavior listed here:
http://www.pastebin.ru/10226
Expected result:
----------------
int(2) int(2)
Actual result:
--------------
int(2) int(0)
--
Edit bug report at http://bugs.php.net/?id=41372&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=41372&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=41372&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=41372&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=41372&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=41372&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=41372&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=41372&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=41372&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=41372&r=support
Expected behavior: http://bugs.php.net/fix.php?id=41372&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=41372&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=41372&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=41372&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=41372&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=41372&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=41372&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=41372&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=41372&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=41372&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=41372&r=mysqlcfg
