MySQL and Perl for the Web

Implementing Resumable Sessions

One benefit provided by sessions is that they enable you to implement activities that can be suspended for a while and then resumed later when the user is ready to continue. This is a common thing to do with long-running games that users may play over the course of several days. Resumable sessions are also useful for presenting an activity in discrete segments: The user completes the activity one piece at a time, but can break off at any point and continue later. If you’re asking users to complete a lengthy survey, for example, you can make the experience more palatable by not requiring that the entire thing be completed in a single sitting. The user who is interrupted or needs to do something else while answering ...