Chapter 8. Session Management
In this chapter, we’ll consider various ways that applications can keep track of “state,” a term that refers to the current condition or characteristics of an object or activity. For a shopping cart, state consists of the items that you’ve chosen so far. If you’re taking an online quiz, the state information includes the current question and perhaps a running total of the number of questions you’ve answered correctly or incorrectly. A survey may be so long that it’s conducted using several smaller pages rather than one long page that involves a lot of vertical scrolling. State for a survey presented in this fashion ...
Get MySQL and Perl for the Web now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
