By now you have gained some understanding of the functional style of programming and the advantages it can bring. You can take those techniques away to start using today, with no need to read further. Ideally, though, I’ve whetted your appetite to take it further and learn more functional techniques to add to your programmer’s toolbox.
In this chapter, you’ll look at some more advanced aspects of functional programming that will let you structure your PHP code in ever more functional ways. This chapter is the last section of “theory” before you start moving onto practical examples in the next ...
