Getting Started with Objects with PHP V5
By Matt Zandstra2005-07-01
This article describes the fundamentals of objects and classes in PHP V5, from the very basics through to inheritance, for experienced object-oriented programmers and those who have not yet been introduced to objects.
As a PHP programmer, you know variables and functions inside-out. Classes and objects, though, might be a different matter. It's possible to create perfectly good systems without defining a single class. Even if you decide to stay away from object-oriented programming in your own code, you will likely need to know object-oriented programming. For example, if you use a third-party library, such as those made available by PHP Extension and Application Repository (PEAR), you will find yourself instantiating objects and calling methods.
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First published by IBM DeveloperWorks
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