Handling Online Payments Part 6 - Preventing Duplicate Submissions with POST/REDIRECT/GET

by All Star ‎03-16-2011 10:59 AM - edited ‎04-24-2012 04:41 AM (19,746 Views)

The payment form we created in the first five parts of this series is very good. But it could be better. Part 6 begins a new chapter in this series where we improve upon our payment to make it more usable, secure, and maintainable. We begin by preventing users from making duplicate form submissions by using the POST/REDIRECT/GET design pattern. 

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