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Editorial Team
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Asked: 2026-05-26T22:58:01+00:00

For another question I have created some XML related code that works on my

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For another question I have created some XML related code that works on my development machine but not on viper codepad where I tested it before adding it to my answer.

I could reduce my problem to the point that the order of nodes returned by DOMXPath::query() differs between my system and the codepad.

XML: <test>This is some <span>text</span>, fine.</test>

When I query all textnodes //child::text() the result differs:

Viper Codepad:

#0: This is some 
#1: , fine.
#2: text

My Machine:

#0: This is some 
#1: text
#2: , fine.

I’m not that experienced with xpath that I do understand why this happens and how it’s probably possible to influence the return order with the PHP implementation.

Edit:

Further testing has revealed that LIBXML_VERSION differs between the two systems:

Viper Codepad: 20626 (2.6.26; 6 Jun 2006)
My Machine...: 20707 (2.7.7; 15 Mar 2010)
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1 Answer

  1. Editorial Team

    I could find the following bug-report which looks like the issue: Bug 363252 – proximity position in libxml2’s xmlXPathEvalExpression() reported 18 Oct 2006 and confirmed dating back since May 2006 which is before the 2.6.26 version in question.

    This should have been fixed in libxml2 2.6.27.

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