XMLDiff\DOM::diff

(PECL xmldiff >= 0.8.0)

XMLDiff\DOM::diff — Diff two DOMDocument objects

Description

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

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

Parameters

from: Source DOMDocument object.
to: Target DOMDocument object.

Return Values

DOMDocument with the diff information or NULL.

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User Contributed Notes 1 note

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jeewiya at gmail dot com ¶

6 years 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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