Bug #62684 [NEW]: PHP/DOMDocument: unset() does not release resources

From: Date: Sat, 28 Jul 2012 18:01:01 +0000
Subject: Bug #62684 [NEW]: PHP/DOMDocument: unset() does not release resources
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-172296@lists.php.net to get a copy of this message
From:             jerico dot dev at gmail dot com
Operating system: Linux
PHP version:      5.3.15
Package:          Performance problem
Bug Type:         Bug
Bug description:PHP/DOMDocument: unset() does not release resources

Description:
------------
A complete problem description + sample code can be found here:

http://stackoverflow.com/questions/11703164/php-domdocument-unset-does-not-release-resources

Test script:
---------------
https://github.com/jerico-dev/ojs/blob/abc2af0f66c11664b7e917201fd707aa3307a1e0/plugins/generic/lucene/classes/SolrWebService.inc.php#L296

Expected result:
----------------
I expect unset() to release the memory resources that were used for the
object.

Actual result:
--------------
unset() only releases a tiny amount of the resources actually used. See the
debug output in
http://stackoverflow.com/questions/11703164/php-domdocument-unset-does-not-release-resources

-- 
Edit bug report at https://bugs.php.net/bug.php?id=62684&edit=1
-- 
Try a snapshot (PHP 5.4):            https://bugs.php.net/fix.php?id=62684&r=trysnapshot54
Try a snapshot (PHP 5.3):            https://bugs.php.net/fix.php?id=62684&r=trysnapshot53
Try a snapshot (trunk):              https://bugs.php.net/fix.php?id=62684&r=trysnapshottrunk
Fixed in SVN:                        https://bugs.php.net/fix.php?id=62684&r=fixed
Fixed in SVN and need be documented: https://bugs.php.net/fix.php?id=62684&r=needdocs
Fixed in release:                    https://bugs.php.net/fix.php?id=62684&r=alreadyfixed
Need backtrace:                      https://bugs.php.net/fix.php?id=62684&r=needtrace
Need Reproduce Script:               https://bugs.php.net/fix.php?id=62684&r=needscript
Try newer version:                   https://bugs.php.net/fix.php?id=62684&r=oldversion
Not developer issue:                 https://bugs.php.net/fix.php?id=62684&r=support
Expected behavior:                   https://bugs.php.net/fix.php?id=62684&r=notwrong
Not enough info:                     https://bugs.php.net/fix.php?id=62684&r=notenoughinfo
Submitted twice:                     https://bugs.php.net/fix.php?id=62684&r=submittedtwice
register_globals:                    https://bugs.php.net/fix.php?id=62684&r=globals
PHP 4 support discontinued:          https://bugs.php.net/fix.php?id=62684&r=php4
Daylight Savings:                    https://bugs.php.net/fix.php?id=62684&r=dst
IIS Stability:                       https://bugs.php.net/fix.php?id=62684&r=isapi
Install GNU Sed:                     https://bugs.php.net/fix.php?id=62684&r=gnused
Floating point limitations:          https://bugs.php.net/fix.php?id=62684&r=float
No Zend Extensions:                  https://bugs.php.net/fix.php?id=62684&r=nozend
MySQL Configuration Error:           https://bugs.php.net/fix.php?id=62684&r=mysqlcfg



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