WARNING: php version 5.2.6, as described later in this document is obsolete and prone to security issues. Please consider either upgrading to php53 as included in CentOS 5.6 or use the IUS Community Repo Summary This guide describes how to upgrade the standard PHP 5.1.x packages in CentOS 5.x 32-bit to the current development versions 5.2.x. These instructions were created using CentOS 5.3 32-bit