什么是PHP中最快的XML解析器? [英] What is the fastest XML parser in PHP?

问题描述

对于某个项目，我需要某种方式来解析XML并从中获取数据.所以我想知道，哪个内置解析器最快?

for a certain project, I need some way to parse XML and get data from it. So I wonder, which one of built-in parsers is the fastest?

此外，解析器可以接受XML字符串作为输入也很好-我有自己的线程安全处理文件的实现，并且我不希望某些讨厌的非线程安全的库做出自己的努力没有用的.

Also, it would be nice of the parser could accept a XML string as input - I have my own implementation of thread-safe working with files and I don't want some nasty non-thread-safe libraries to make my efforts useless.

推荐答案

最快的解析器将是SAX-不必创建dom，它可以使用部分xml或逐步地完成. PHP SAX解析器(Expat)的信息可以在此处找到.或者，有一个基于libxml的DOM解析器，名为SimpleXML .基于DOM的解析器将更易于使用，但通常要慢几个数量级.

The fastest parser will be SAX -- it doesn't have to create a dom, and it can be done with partial xml, or progressively. Info on the PHP SAX parser (Expat) can be found here. Alternatively there is a libxml based DOM parser named SimpleXML. A DOM based parser will be easier to work with but it is typically a few orders of magnitude slower.

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