Victor's Blog about PHP, Zend Framework & Cake PHP

This blog is about PHP in general. It tackles various topics related to the language itself especially at the OOP level, discusses various topics related to Zend Framework and shares my experience with Cake PHP. I believe that mastering technology is heavily based on one's ability to discuss its details and share knowledge with others. Technology is a wide wild world after all!

PHP Autoloading

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victor | 22 February, 2010 09:20

Autoloading is the process of automatically loading classes when needed wthout having to go through the traditional include() and require() directives. This helps PHP developers work without having to worry about whether the class that they need has already been loaded or not.

To achieve this, PHP 5 provides the __autoload() magic method that is called automatically whenever a class / object is being referenced while not being defined. If a definition exists for that class, the magic method will not be invoked. If a definition does not exist, the __autoload() method will be invoked before giving up and generating a warning / error message.

So how does auto loading work in examples?

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