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

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Chapter 9. DATA FUNCTIONS

Topics in This Chapter

  • Data Types, Constants, and Variables

  • Arrays

  • Hashing

  • Strings

  • Encoding and Decoding

  • Encryption

  • Regular Expressions

  • PERL-compatible Regular Expressions

The functions in this chapter manipulate data. They check the values of variables. They transform one type of data into another. They also deal with arrays. You may find it useful to turn back to Chapter 2, "Variables, Operators, and Expressions," and read the discussion on data types and variables.

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