[Yum] install problems with php

[Steve Ingraham]

> Command:
>
>             rpm -qa | grep php
>
>
>
> Return:
>
>             php-ldap-4.3.11-2.8
>
>             php-4.3.11-2.8
>
>             php-pear-4.3.11-2.8

>These are not CentOS-4 supplied php packages. You picked these up from
>some place else. Because they're not distro provided packages, the
>required versions are off for the new package you're attempting to
>install. Either remove what you've got and install the distro
>packages, or figure out where your current packages came from and
>install what you need from there. Mixing and matching won't work.

I installed CentOS-4 from an iso package from trixbox.org.  I would have
expected they would have come from that iso.  Where can I get the
required versions?

Steve