Displaying RSS feed on web site using rss2html.php

[TraderX]

Hello all, first off, I am no PHP coder. I would like to display RSS feeds from other sites, to my index.php on my site. I found this script at http://www.feedforall.com/free-php-script.htm . It's a php script for this just that, but it displayes in the php file (rss2html.php) OR a .shtml page that you can create. It can be displayed in a .shtml page (using a server side include command in the table) by calling a template that is made in html (for format of layout) I would like to know "HOW" I can get it to post inside of my root index.php so I don't have to use .shtml

ANY help would be great, if you need more info please let me know
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[Troy]

This is my index.php page. It's full of lots of great content.
Here is where I want the rss feed to show.

<?php

#INSERT rss2html.php code here

?>

This is the rest of my index.php page.