January 2021
Intermediate to advanced
505 pages
9h 45m
Chinese
Content preview from PHP编程：第4版
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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.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.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.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.
296
｜
第
12
章
XML
title
元素开始，就要跟踪字符数据直到看到
title
元素关闭），当然你必须写一些处理
程序函数来操作状态和做实际的事情。把这些函数和变量封装到一个类中来使你能够让
它们与其余部分的程序相分离，并且在后面可以简单地重用这些功能。
使用
xml_set_object()
函数可以将一个对象注册为解析器。之后，
XML
解析器会在那
个对象上查找处理程序的方法，而不是全局函数 ：
xml_set_object(
object
);
示例解析程序
让我们开发一个程序来解析
XML
文件并显示它的不同类型的信息。示例
12-8
所示的
XML
文件包含了一个图书集合的信息。
示例12-8：books.xml 文件
<?xml version="1.0" ?>
<library>
<book>
<title>Programming PHP</title>
<authors>
<author>Rasmus Lerdorf</author>
<author>Kevin Tatroe</author>
<author>Peter MacIntyre</author>
</authors>
<isbn>1-56592-610-2</isbn>
<comment>A great book!</comment>
</book>
<book>
<title>PHP Pocket Reference</title>
<authors>
<author>Rasmus Lerdorf</author>
</authors> ...
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and much more.
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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.