Introduction to the First Edition
I have been using PHP in object-oriented projects since 2000. For most of that time, of course, PHP meant PHP 4, with its relatively limited support for objects. Even so, I found that I could do pretty much everything that I wanted with it, as long as I was careful and disciplined.
In early 2003, I began initial work on a book about PHP 4 and object-oriented programming. A good portion of the book was to focus on the strategies, disciplines, and workarounds required to get PHP to behave itself in an object-oriented context. Then I began to hear murmurs that PHP 5 was on its way, which dated my project before I had even started on it. I put the idea to one side and took up another book project.
It was for that ...
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