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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