XMLDiff\DOM::diff

(PECL xmldiff >= 0.8.0)

XMLDiff\DOM::diffDiff two DOMDocument objects

说明

public DOMDocument XMLDiff\DOM::diff ( DOMDocument $from , DOMDocument $to )

Diff two DOMDocument instances and produce the new one containing the diff information.

参数

from

Source DOMDocument object.

to

Target DOMDocument object.

返回值

DOMDocument with the diff information or NULL.

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jeewiya at gmail dot com
6 months ago
XMLDiff\DOM can be use like this, for compare xml files changes.

<?php
   

function getChangeElements($currentContent, $oldContent) {
        try {
           
$currentDoc = new DOMDocument();
           
$currentDoc->loadXML($currentContent);

           
$oldDoc = new DOMDocument();
           
$oldDoc->loadXML($oldContent);
           
$xmldiff = new XMLDiff\DOM();
            return
$xmldiff->diff($oldDoc, $currentDoc);
        } catch (
Exception $ex) {
            throw
$ex;
        }
    }

getChangeElements('updated.xml', 'old.xml');

?>
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