August 2003
Intermediate to advanced
1104 pages
19h 27m
English
Content preview from Core PHP Programming, Third Edition
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Chapter 20. XML
Topics in This Chapter
The functions in this chapter manipulate XML documents. The extensible mark-up language, XML, has steadily grown in popularity since being introduced in 1996. XML is a first cousin to HTML in that it, too, is derived from SGML, a generalized mark-up language that is nearly 20 years old. Like HTML, XML documents surround textual data with tags. Unlike HTML, XML can be used to communicate any type of data. The best place to start learning about XML is its home page at the W3C <http://www.w3.org/XML/>. Among the resources there, you will find book recommendations.
PHP offers two methods for working with XML documents: DOM and event handling. In the former method, the XML document appears ...