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6. To be continued...

We have provided sufficient information in this document to get started with web programming in PHP. Some topics have only been touched upon and deserve further exploration:

  • XML (eXtensible Markup Language), CSS (Cascading Style Sheets) and XSL (eXtensible Stylesheet Language)

We have covered these topics, but much remains to be done. Together, they deserve a course of their own.

  • Javascript

We have used a few Javascript scripts here and there, executed by the browser, without ever dwelling on them. For example, we have never gone into the details of the Javascript language. Due to lack of space and time. This language, too, could require a book of its own. We have included three significant examples in javascript in the appendix. They are provided without explanations. Nevertheless, they are understandable simply by reading the comments and can serve as examples.