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Asked: 2026-05-11T16:45:57+00:00

I would like to make a simple but non trivial manipulation of DOM Elements

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I would like to make a simple but non trivial manipulation of DOM Elements with PHP but I am lost.

Assume a page like Wikipedia where you have paragraphs and titles (<p>, <h2>). They are siblings. I would like to take both elements, in sequential order.

I have tried GetElementbyName but then you have no possibility to organize information.
I have tried DOMXPath->query() but I found it really confusing.

Just parsing something like:

<html>
  <head></head>
  <body>
    <h2>Title1</h2>
    <p>Paragraph1</p>
    <p>Paragraph2</p>
    <h2>Title2</h2>
    <p>Paragraph3</p>
  </body>
</html>

into:

Title1
Paragraph1
Paragraph2
Title2
Paragraph3

With a few bits of HTML code I do not need between all.

Thank you. I hope question does not look like homework.

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1 Answer

  1. Editorial Team

    I think DOMXPath->query() is the right approach. This XPath expression will return all nodes that are either a <h2> or a <p> on the same level (since you said they were siblings).

    /html/body/*[name() = 'p' or name() = 'h2']

    The nodes will be returned as a node list in the right order (document order). You can then construct a foreach loop over the result.

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