If you are trying to upgrade your VPS installation with yum upgrade, try these commands:
$ yum clean metadata
$ yum clean all
After that, run yum upgrade again. If this still does not solve your problem, feel free to submit a support ticket.
ServerGrove provides a Yum repository with the latest PHP versions packages in RPM. This makes dead simple to install and upgrade PHP. Follow these steps to setup the repository in your server and install / upgrade PHP: Setup ServerGrove repository If you have not installed the repository, download the RPM . . . Read more