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Core PHP Programming, Third Edition by Leon Atkinson

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Chapter 21. Sorting, Searching, and Random Numbers

Topics in This Chapter

Sorting and searching are two fundamental concepts of computer science. They are closely tied to almost every application: databases, compilers, even the World Wide Web. The more information you have online, the more important it becomes to know exactly where that information is.

Admittedly, sorting is not as serious a topic in the context of PHP as it is for C++. PHP offers some very powerful sorting functions, even one that allows you to define how to compare two elements. This chapter deals with some classic problems of computer science. ...

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