PHP-based Tracking Class
PHP Parcel Tracker is a simple PHP class and RSS gateway I created for parsing and returning tracking details given a carrier and associated tracking number. Currently supported carriers include UPS, USPS, FedEx, FedEx SmartPost, and DHL. The design is intended to be modular to allow users to easily update or add their own carrier parsers.
This project was started in response to needing a unified tracking gateway for the Chumby Package Tracker widget which I also created.
This script has been released under an Apache 2.0 License. Downloads and more information are available at the PHP Parcel Tracker Google Code project site.