Chapter 11. Files and Directories
To truly take your Web applications to the next level, you’ll need a method of storing and retrieving data. E-commerce sites, Internet portals, and template-driven content providers all have a system for permanently writing information to the server and retrieving that information as needed.
There are two primary ways of storing data with PHP: using files (and directories) or databases. This chapter will discuss the former, and the next chapter will introduce the latter. It’s worth your time to comprehend both methods (in fact, a database is just a really fancy system for writing to and reading from data stored in files on the server).
Although a database can be more powerful and secure than a file-based system, ...
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