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Sams Teach Yourself PHP, MySQL® and Apache All in One, Fifth Edition
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Sams Teach Yourself PHP, MySQL® and Apache All in One, Fifth Edition

by Julie Meloni
May 2012
Beginner
672 pages
18h 24m
English
Sams
Content preview from Sams Teach Yourself PHP, MySQL® and Apache All in One, Fifth Edition

Chapter 13. Working with Files and Directories

In this chapter, you learn the following:

• How to include other files in your documents

• How to test for the existence of files and directories

• How to open a file before working with it

• How to read data from files

• How to write or append to a file

• How to lock a file

• How to work with directories

• How to pipe data to and from external applications

• How to send shell commands and display results in the browser

Testing for the existence of files, reading from them, and writing to them are important features of any rich programming language. PHP is no exception, in that it provides functions that make these processes straightforward. In addition, because PHP, Apache, and MySQL are not the ...

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Sams Teach Yourself PHP, MySQL® and Apache All in One

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Publisher Resources

ISBN: 9780132603706Purchase book