#46227 [NEW]: wrong initial pointer for CachingIterator and RecursiveCachingIterator

From: Date: Sat, 04 Oct 2008 14:52:06 +0000
Subject: #46227 [NEW]: wrong initial pointer for CachingIterator and RecursiveCachingIterator
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-129454@lists.php.net to get a copy of this message 
From:             exceptione at hotmail dot com
Operating system: windos XP sp3
PHP version:      5.2.6
PHP Bug Type:     SPL related
Bug description:  wrong initial pointer for CachingIterator and RecursiveCachingIterator

Description:
------------
In order to use a new CachingIterator of RecursiveCachingIterator, one
needs to do a rewind() or next() to get current() pointing to the first
element. This is unlike the other Iterators.

Reproduce code:
---------------
$arr = array(1,2,3,4,5);
$it = new CachingIterator(new ArrayIterator($arr));
var_dump($it->current()); echo PHP_EOL;
$it->next();
var_dump($it->current()); echo PHP_EOL;

Expected result:
----------------
int 1
int 2


Actual result:
--------------
null
int 1


-- 
Edit bug report at http://bugs.php.net/?id=46227&edit=1
-- 
Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=46227&r=trysnapshot52
Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=46227&r=trysnapshot53
Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=46227&r=trysnapshot60
Fixed in CVS:                 http://bugs.php.net/fix.php?id=46227&r=fixedcvs
Fixed in release:             http://bugs.php.net/fix.php?id=46227&r=alreadyfixed
Need backtrace:               http://bugs.php.net/fix.php?id=46227&r=needtrace
Need Reproduce Script:        http://bugs.php.net/fix.php?id=46227&r=needscript
Try newer version:            http://bugs.php.net/fix.php?id=46227&r=oldversion
Not developer issue:          http://bugs.php.net/fix.php?id=46227&r=support
Expected behavior:            http://bugs.php.net/fix.php?id=46227&r=notwrong
Not enough info:              http://bugs.php.net/fix.php?id=46227&r=notenoughinfo
Submitted twice:              http://bugs.php.net/fix.php?id=46227&r=submittedtwice
register_globals:             http://bugs.php.net/fix.php?id=46227&r=globals
PHP 4 support discontinued:   http://bugs.php.net/fix.php?id=46227&r=php4
Daylight Savings:             http://bugs.php.net/fix.php?id=46227&r=dst
IIS Stability:                http://bugs.php.net/fix.php?id=46227&r=isapi
Install GNU Sed:              http://bugs.php.net/fix.php?id=46227&r=gnused
Floating point limitations:   http://bugs.php.net/fix.php?id=46227&r=float
No Zend Extensions:           http://bugs.php.net/fix.php?id=46227&r=nozend
MySQL Configuration Error:    http://bugs.php.net/fix.php?id=46227&r=mysqlcfg

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