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Core PHP Programming: Using PHP to Build Dynamic Web Sites by Leon Atkinson

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Part 2: FUNCTIONAL REFERENCE

The chapters in this section of the book, Chapters 8 through 14, are a functional reference. They describe how each PHP function works: what arguments are expected, what value is returned, and how they ought to be used. The functions are grouped generally by what they do.

Chapter 8 is concerned with I/O—input and output. Input functions send and receive information to the browser, and output functions read and write to the file system or to the network. Chapter 9 is all about manipulating data. There are functions for handling arrays, functions for searching for information inside strings, and functions for encoding and decoding information. Chapter 10 is concerned with mathematics. Aside from the standard mathematical ...

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