PHP DOM functions reading line number from input file

Question

I have a program which reads an XML file using the DOM functions:

$doc = new DOMDocument('1.0');
$doc->load("myFile.xml");

As I traverse the nodes in this document, is there a way to tell which line of the input file the node was defined on?

For example:

1: <!-- myFile.xml -->
2: <foobar>
3:     <foo>FOO</foo>
4:     <bar>BAR</bar>
5: </foobar>

and the PHP:

$xp = new DOMXPath($doc);
$bars = $xp->query("//bar");
$myBar = $bars[0];
echo "The first <bar> element is on line " . performMagicHere(); // 4

Community · Accepted Answer · 2023-11-17 20:42:18Z

2

$element->getLineNo() will return the line number of the opening tag. Note: for opening tags that span more than one line, it will return the end of the opening tag. It doesn't seem to work for DOMText nodes though (returns 0).

https://www.php.net/manual/en/domnode.getlineno.php

edited Nov 17, 2023 at 20:42

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answered Mar 24, 2010 at 23:24

scotts

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1 Comment

nickf Over a year ago

Excellent! Note that this is for PHP 5.3.0+ only.

TML · Accepted Answer · 2009-05-19 06:46:28Z

1

You can't really do this with PHP's DOM class. DOM Level 3 added support for this, but we don't have DOM level 3 support in PHP yet.

answered May 19, 2009 at 6:46

TML

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