December 2001
Intermediate to advanced
520 pages
13h 42m
English
Content preview from PHP Advanced for the World Wide Web: Visual QuickPro Guide
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Document Type Definitions
XML involves two primary steps: defining your tags (or elements) and using those tags. In the previous script you referenced elements such as album and artist. Here you will learn how to give those labels meaning.
With HTML, the tags have already been defined for you, but XML allows you to create your own. You can do this either within the document type declaration section of your XML file or in a separate DTD file, as I would recommend. This process is called document modeling, because you are creating a paradigm for how your files should be written. A DTD defines every element and attribute for your markup language.
The syntax for defining an element is
<!ELEMENT name TYPE>
where name is the name of the new tag and ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.