I have our newsfeed set up in a javascript code so people can just copy and paste it into their web page and get the headlines whenever we update -- simple and nice. I know there are varying ways to do it in PHP as well.
I also found htis web page
http://www.selfwebbuilding.com/feedsplitter/ that will take an rss feed and convert it to a little snipit of javascript so you can copy and paste it into your page essentially making it the same as our headlines.
Hope this help!
PS: I don't use PHP at all so if that is the answer you are looking for I am sorry