API tutorials in PHP

hi
can someone please let me know if there is a site can learn creating mashup web applications using yahoo API or any other available API

 

you can try this

http://www.useseo.com/yahoo-api.php

Code (markup):

 

Here's a good PHP Google Maps / Geocoding tutorial: http://www.timshowers.com/2008/08/php-geocoding-tutorial-with-the-google-maps-api-part-one/

 

try phpgeeksquad.com