In this chapter we introduced some of the most commonly used utility classes that are included within Joomla!'s library. Not only does the library provide us with Joomla! core classes, but it also provides us with many invaluable utilities and useful classes.
Working with the file system is a common activity. Using the
joomla.filesystem library is extremely easy and it provides us with far more power and consistency than the basic PHP file-system functions.
Arrays have long been a key data type. PHP provides us with many useful functions for handling arrays; Joomla! extends this functionality through the
Data structures are often used to model information. The tree structure is a very common data structure and Joomla! ...