What does validating mx record mean unhandled exception updating materials 1 last marker is at
As a result, I’ve learned to keep my explanation brief.The essence of XML is in its name: Extensible Markup Language. It lets you define your own tags, the order in which they occur, and how they should be processed or displayed.This excerpt is taken from No Nonsense XML Web Development with PHP, Site Point’s new release, by Thomas Myer, which was designed to help you start using XML to build intelligent ‘Future-Proof’ PHP applications today.The title contains over 350 pages of XML and PHP goodies.
XML is a meta-language: a language that allows us to create or define other languages. We need it because HTML is specifically designed to describe documents for display in a Web browser, and not much else.A significant portion of the group leans forward eagerly, wanting to learn more.The others either roll their eyes in anticipation of hype and half-formed theories, or cringe in fear of a long, dry history of markup languages.To find out more about “No Nonsense XML Web Development with PHP”, visit the book’s information page, or review the contents of the entire publication. If ever there were a candidate for “Most Hyped Technology” during the late 90s and the current decade, it’s XML (though Java would be a close contender for the title).As always, you can download this excerpt as a PDF if you prefer. Whenever I talk about XML with developers, designers, technical writers, or other Web professionals, the most common question I’m asked is, “What’s the big deal?