CHAPTER 7
Using PHP to Manage Files
PHP has a huge range of functions designed to work with the server’s file system, but finding the right one for the job isn’t always easy. This chapter cuts through the tangle to show you some practical uses of these functions, such as reading and writing text files to store small amounts of information without a database. Loops play an important role in inspecting the contents of the file system, so you’ll also explore some of the Standard PHP Library (SPL) iterators that are designed to make loops more efficient.
As well as opening local files, PHP can read public files, such as news feeds, on other servers. ...
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