If you are looking for a PHP script to convert your RSS feeds to HTML then I would suggest you to go for Feed2Html. Feed2Html is a simple and absolutely free PHP script that can convert your feeds to HTML so that you can publish it on your website or blog.
For those of you who do not know much about RSS; It stands for Really Simple Syndication. RSS is a format for syndicating news, blog entries, Audio, Video etc. An RSS document includes full or summarized text and some meta data. A news aggregator can make your life easy by keeping you update with all your favorite weblogs by checking their RSS feeds and displaying new items from each of them.
The Feed2Html PHP Script can be used to update your website or Blogs on-the-fly with the data from RSS feeds. The good thing is that it also makes sure that the information from your RSS feeds is ready to be processed by search robots. You can use different site templates to embed the page generated by the script into any web site.