Built-In Sorting Functions
Sorting with a Comparison Function
Choosing Banner Ads
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. Since this chapter deals with some classic ...