You seem to need the expat parser. Luckily PHP has this already built in.
In case you're not familiar with it, the expat parser is an event based parser. It does not create a tree from your document (like the DOM and the SimpleXML libraries do), it just parses from start to end and triggers events when it finds certain XML components, like tags and data.
To see an example implementation you can look at this tutorial on w3schools.
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您似乎需要expat 解析器。幸运的是 PHP 已经内置了这个功能。
如果您不熟悉它，expat 解析器是一个基于事件的解析器。它不会从文档创建树（像 DOM 和 SimpleXML 库那样），它只是从头到尾进行解析，并在找到某些 XML 组件（如标签和数据）时触发事件。
要查看示例实现，您可以查看 w3schools 上的本教程。
You seem to need the expat parser. Luckily PHP has this already built in.
In case you're not familiar with it, the expat parser is an event based parser. It does not create a tree from your document (like the DOM and the SimpleXML libraries do), it just parses from start to end and triggers events when it finds certain XML components, like tags and data.
To see an example implementation you can look at this tutorial on w3schools.