oops

PHP5 takes users increasingly in the direction of object-oriented programming. The Standard PHP Library (SPL) is a new item that helps developers both with the creation of OOP applications and the maintenance of standardization. The SPL enables developers to work with user-defined interfaces. In this article, the first of a series, Alejandro Gervasio uses examples to introduce you to working with these interfaces, which can keep you from having to reinvent the wheel with each new project.

With the release of PHP5, a strong effort has been made to improve the existing Object Model available in previous versions of PHP. Taking PHP into the context of object-oriented programming was certainly a controversial topic, and very often the subject of many heated discussions. One recurring theme was the absence of relevant OOP features, available from long mature object-oriented languages such as Java or C++.