[horde] Horde webmail 4.0 install - nothing installed from pear install -a -B horde/webmail

[Vilius Šumskas]

> >> horde/Horde_Util requires PHP extension "dom"
> >
> > <...>
> >
> >> The database files exist as they are brought over from another system in
> >> preparation to upgrade from 1.29
> >>
> >> Horde webmail directory contents did not appear.
> >>
> >> What am I doing wrong?
> >
> > You need php DOM extension for Horde to work. On RHEL 6 it's in "yum
> install php-xml".
> >
> > Don't forget to restart your web server.
> >
> > --
> >  Vilius
> >
> 
> Thanks.  That made a big difference.  The INSTALL docs said:
> 
>  "XML and DOM support are enabled in PHP 5 by default."

It is enabled, but won't work without .so php extensions. Various binary distributions enable all extensions but don't ship them by default. So it's up for system administrator to know the specifics of the OS.

Nevertheless we could improve documentation by saying that.
 
> I made sure I had libxml package and thought I was good.
> 
> With php-xml it now downloads and installs.