IBM developerWorks has published my article on integrating the Instagram API with a PHP application.
In case you didn’t already know, Instagram is a popular photo-sharing service that enables users to take photos with their smartphone and share them with others through the Web. The article examines the Instagram REST API in detail, using it with the Zend_Http_Client library to rapidly build and deploy PHP Web applications to search for and retrieve Instagram photos by tag, location and keyword.
Read the full article here.