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Gonzalo Ayuso's Blog: Runtime Classes. A experiment with PHP and Object Oriented Programming

Note: This article was originally published at PHPDeveloper on 8 August 2011.
PHPDeveloper

Gonzalo Ayuso has put together an experiment related to the current OOP structure of PHP - a test working with runtime classes, a structure generated entirely when the script is executed and not predefined in the file.

Last week I was thinking about creation of a new type of classes. PHP classes but created dynamically at run time. When this idea was running through my head I read the following article and I wanted to write something similar. Warning: Probably that it is something totally useless, but I wanted to create a working prototype (and it was fun to do it).

His class is pretty basic - a "Human" object that echoes a "hello world" sort of message via a "hello()" method. He creates the classes inside of different test methods to ensure that his assertions are true. The tests check basic output of the "hello()" method, calling undefined methods, testing inheritance and a test creating and evaluating a dynamic function.

For something more complex, he creates a dynamic class that solves the FizzBuzz kat, a popular programming puzzle. You can find the full code for this and his other examples on github.