[horde] Groupware Webmail Edition - setup.php not readable

[James W. Beauchamp]

Hi all:
I know this is a newbie question but I can't for the life of me figure
out what is causing it.  I have installed the groupware files in the
stock/standard install locations (/horde) and am attempting to run the
/scripts/setup.php.  When I run this file, instead of getting a menu I
just get the raw html code as follows:
----------------------------------------------
php /var/www/html/horde/scripts/setup.php
X-Powered-By: PHP/4.3.9
Set-Cookie: Horde=9e6956992742e70d2a71c07dd6395f4e; path=/horde;
domain=127.0.0.1
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0,
pre-check=0
Pragma: no-cache
Content-Type: text/html; charset=ISO-8859-1

Configuration Menu <br />&nbsp;&nbsp;&nbsp;&nbsp;(<strong>0</strong>)
Exit<br />&nbsp;&nbsp;&nbsp;&nbsp;(<strong>1</strong>) Configure
database settings<br />&nbsp;&nbsp;&nbsp;&nbsp;(<strong>2</strong>)
Create database or
tables<br/>&nbsp;&nbsp;&nbsp;&nbsp;(<strong>3</strong>) Configure
administrator settings<br /><br />Type your choice:    
---------------------------------------------------

Any ideas on how to fix this so I can successfully configure groupware?!

Thanks in advance.

James