From the category archives:

xml

Best Buy Search API Tutorial

YouTube API Tutorial: How To Get a Video’s Comments Using Raw PHP

Blogger API Tutorial: How To Get Your Blog’s Posts

Make A “My Latest Tweet” Widget For Your Site With PHP or JQuery

How to Convert Address to GPS Coordinates

How To Easily Add Comments to Your Website With PHP and XML

How To Read an RSS File With PHP

How To Read an XML file With Javascript Using JQuery