"The long-awaited PHP4 version has been available since the end of May 2000. After having acquired successively Beta-test and Release Candidate status, the final version which can be used for real-world site production is today a reality. In this article, we take a quick look at PHP4's new features. PHP4 is a complete rewrite of PHP3 at the heart of the language's engine. But why did the language's authors decide to completely rewrite it?"
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