Serious considerations before upgrading to PHP 5.3

PHP V5.3 has numerous new features such as namespaces, closures, object handling, object-oriented programming, and Phar. There are also some backward-compatibility issues you should be aware of with PHP v5.2. This article provides clear guidance for migrating your Web application to work with PHP V5.3. and building more powerful and secure PHP apps.

 (Submitted by Anonymous Wed Feb 25, 2009 )