July 2004
Intermediate to advanced
350 pages
10h 9m
English
Content preview from Upgrading to PHP 5Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Installing XML and XSLT Support
PHP 5 uses
libxml2 and libxslt as the
underlying foundation for its XML support. By hooking into these
tools, PHP developers don’t need to write their own
XML processors, which gives them more time to work on PHP.
Originally
written for the GNOME project, libxml2 is a
standalone library that can be used by other programs, including
languages like PHP. Written in C, libxml2 runs on
Linux, Windows, Mac OS X, FreeBSD, and many other operating systems.
The official
libxml2 web site is at http://www.xmlsoft.org/.
libxml2 offers several benefits over other XML
parsers: speed, licensing, and standards. While other XML parsers
might be faster in certain specialized circumstances,
libxml2 is overall one of the fastest parsing
engines available.
libxml2 also implements most XML specifications.
In addition to the basic XML standard, libxml2
also supports XML Namespaces, XPath, XPointer, XInclude, XML
Catalogs, Relax NG, and XML Schemas Part 2. Additional standards are
being added on a regular basis. libxml2 also
integrates with libxslt to support XSLT.
PHP 5 requires libxml2 2.5.10 or higher. If you
are running Unix or Mac OS X, find the version of
libxml2 on your machine by running
xml2-config --version:
% xml2-config --version
2.5.10If this program cannot be found or the version number is lower than
2.5.10, you must install (or upgrade) libxml2 on
your machine. The latest version of libxml2 is
available at http://www.xmlsoft.org/downloads.html.
By default, ...
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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.