The PHP Scalability Myth [Oct. 15, 2003]

"PHP scales. There, I said it. The word on the street is that 'Java scales and PHP doesn't.' The word on the street is wrong, and PHP needs someone to stand up and tell the truth: that it does scale.

Those with a closed mind can head straight to the inevitable flame war located at the end of this article. Those with an open mind who are interested in taking their web development skills and putting them to use building applications in the cross-platform, easy-to-write, easy-to-maintain, scalable, and robust PHP platform, but were hesitant because of the scalability myth, should read on. It starts by looking at the term scalability."

ONJava.com - The PHP Scalability Myth