This book by Packt Publishing is designed to teach users how to create practical mashups in PHP, grabbing and mixing data from Google Maps, Flickr, Amazon, YouTube, MSN Search, Yahoo!, Last.fm, and 411Sync.com.
You will learn how to write PHP code to remotely consume services like Google Maps, Flickr, Amazon, YouTube, MSN Search, Yahoo!, Last.fm, and the Internet UPC Database, not to mention the California Highway Patrol Traffic data! You will also learn about the technologies, data formats, and protocols needed to use these web services and APIs, and some of the freely-available PHP tools for working with them. You will understand how these technologies work with each other and see how to use this information, in combination with your imagination, to build your own cutting-edge websites.
The article continues at http://www.packtpub.com/php-web-20-mashups/book