by Mladen Gogala, Peter MacIntyre, Brian Danchilla

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C H A P T E R  14

XML

Extensible Markup Language (XML) is a very powerful tool for data storage and transfer. When a document is written in XML, it can be universally understood and exchanged. The utility of XML being a worldwide standard should not be underestimated. XML is used for modern word processor documents, SOAP and REST web services, RSS feeds, and XHTML documents.

In this chapter, we will primarily cover the PHP SimpleXML extension, which makes it very easy to manipulate XML documents. We will also touch on the Document Object Model (DOM) and XMLReader extensions. The DOM guarantees that the document is viewed the same no matter what computer language is using it. The main reasons that more than one library for parsing and writing ...

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