21.5. PHP for Application Servers

Today application servers are widely used to make the development of complex, content-oriented Web sites easier. For a long time application servers were available for Java and Python (for example, Zope) only. Recently, PHP has become more and more popular as well, so a variety of application servers were introduced. In this section we will try to provide an overview of what you can do with application servers and how to use them efficiently to solve everyday problems.

21.5.1. Application Server Fundamentals

When talking about application servers, people often ask me what application servers are. Well, the answer to this question is slightly more difficult than answering the question “What is an atomic bomb?”. ...

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