As you probably know 2checkout.com provides an easy to setup service for receiving payments for your products worldwide. One problem faced by many developers however is how to provide a secure way to deliver digital goods after a successful transaction. The Linklok system provides a very secure solution and is custom written for use with 2checkout.com.
After a succesful purchase 2checkout.com can transfer control to the Linklok script on your server making use of their MD5 based secret word. Linklok will then display the download link(s) for your products and also email them to the purchaser. These links do not show the true location of the file on your server so there is no way to bypass Linklok. Links can be set to expire between 1 minute and several years later if required (or never expire).
The Authorize.net AIM 3.1 Component for PHP is a PHP4/5 compatible class for Authorize.net. Finally there is a component that will check your transaction before sending it to the credit card gateway. The PHP class includes the most common fields, error checking, formatted return information and complete support for the component.
Phorm v3.0 The Script Formerly Known As PHPMail. As I added features to PHPMail, its name became inaccurate, as it can now do so much more than just mailing form results, including sending an autoresponder, logging to a text file, logging to a MySQL database, and sophisticated data validation
These programs were created for those people out there that only have a few products to sell Or want to accept donations online through Authorize.net's and or PayPals payment gateways.
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