[CentOS] PHP 5.2.5 when ?

> Even an exteremely brief search of the archives of this list would turn up 
> tons of similar questions, and the same answer every time -- Red Hat 
> backports security fixes to the stable version of packages in their 
> Enterprise distro.  That's why, e.g., for it's entire 5 year supported life, 
> RHEL5 will be based on kernel 2.6.18.  However the base kernel will be 
> heavily patched for security, driver upgrades, and new hardware support. 
> They treat all packages (including PHP) similarly.

Red Hat now supports RHEL for 7 years after the release of each version.