3.2. Summary
At the end of this chapter, you should feel comfortable using superglobal arrays to access data sent from one page to the next. You should also know the difference between sessions and cookies, as well as how to use superglobal arrays to access the values stored in them.
In the next chapter, I'll introduce you to MySQL and explain how to interact with database tables to store, retrieve, modify, and delete data, which form a core part of the blog's functionality.
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