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PHP V5.3 is set to be released by the end of 2008, and many of the new features in this release have been in the planning stages for a few years. Originally touted as "PHP V6 without native Unicode support," PHP V5.3 has been developed into a feature-rich upgrade to the PHP V5 line. It's designed to be a release to prepare developers for PHP V6 when it comes by adding many new features, cleaning up existing features by tweaking the functionality, fixing platform-specific issues, and deprecating old features that won't be in future versions of PHP. In this "What's new in PHP V5.3" series, we'll look at these new V5.3 features, and see how they are used and how they can be used in your Web application.


PHP V5 and object-oriented programming


When PHP V5 was released in 2004, it was a giant leap forward compared to what PHP V4 provided in regards to object-oriented programming (OOP) and design. It added several needed improvements, such as class visibility, proper constructors and destructors, type hinting, and a class-reflection API. It opened the door for advanced objected-oriented programming in PHP, and allowed you to implement many design patterns much easier, along with better design classes and APIs.

In PHP V5.3, many incremental additions have been made to enhance OOP. These improvements have been in the realm of syntax additions and performance improvements. To begin, let's look at the new features available with static methods and members.



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