News Feed
Sections




News Archive
Looking for more information on how to do PHP the right way? Check out PHP: The Right Way

Paul Jones' Blog:
Memory Leaks With Objects in PHP 5
September 28, 2007 @ 08:46:00

Paul Jones presents a problem he was having in a new post to his blog - the issue was with memory leaks in objects in a PHP5 application he was working on.

One of the nice things about using a scripting language is that it automates garbage collection for you. You don't have to worry about releasing memory when you're done with your variables. [...] But there is at least one circumstance in which PHP will not free memory for you when you call unset(). Cf. http://bugs.php.net/bug.php?id=33595.

The problem is that, when trying to unset the parent object in a parent/child relationship, the memory space for the parent reference in the child isn't removed. The problem, left unchecked can cause a script to go over the memory limit pretty easily (especially with larger objects).

He suggests two solutions - one that the user can control (calling a destructor before unsetting the object) or a PHP internals method that involves fixing issues with the reference counts created with the objects.

0 comments voice your opinion now!
memory leak object php5 reference parent child release memory leak object php5 reference parent child release


blog comments powered by Disqus

Similar Posts

Ilia Alshanetsky's Blog: FUDforum 2.7.6RC1 Released

Ligaya Turmelle\'s Blog: Why use PHP5?

Devshed: The Basics of Using the Prototype Pattern with PHP 5

PHP.net: PHP 4.4.4 and PHP 5.1.5 Released

Katy's Homepage: Automatic WSDL Generation in PHP 5


Community Events





Don't see your event here?
Let us know!


install api opinion interview deployment list laravel update tips podcast introduction community series language release library zendserver symfony package framework

All content copyright, 2014 PHPDeveloper.org :: info@phpdeveloper.org - Powered by the Solar PHP Framework