On Wed, Apr 9, 2008 at 9:35 AM, Christoph Boget
<christoph.boget@xxxxxxxxx> wrote:
> Could someone explain to me what I'm doing wrong?
>
> I'm trying to get an element from one DOMDocument and append it to a
> different DOMDocument. The (simplified) output of saveXML() from the
> first DOMDocument is as follows:
>
> <?xml version="1.0" encoding="UTF-8"?> <BranchRoot
> id="root"><option>1</option><option>2</option></BranchRoot>
>
> Here is a snippet of code:
>
> <?php
>
> $oXmlDocument = new DOMDocument( '1.0', 'UTF-8' );
> $oRootNode = $oXmlDocument->createElement( 'menu' );
> $oRootNode->setAttribute( 'id', 'root' );
> $oRootNode->setIdAttribute( 'id', TRUE );
>
> $oRootNode->setAttribute( 'style', $sStyle );
> $oRootNode->setAttribute( 'width', $iWidth );
> $oRootNode->setAttribute( 'target', $sTarget );
> $oRootNode->setAttribute( 'indent', $iIndent );
>
> $oXmlDocument->appendChild( $oRootNode );
>
> $oNewChildEl = $oFirstDoc->getElementById( 'root' );
> $oRootNode->appendChild( $oNewChildEl );
> ?>
>
> I'm printing out what $oNewChildEl is to see if it's not returning the
> proper element, using
>
> echo '[' . $oNewChildEl->tagName . ']' . var_dump( $oNewChildEl );
>
> and I'm seeing:
>
> object(DOMElement)#1055 (0) { } [BranchRoot]
>
> so it does look like it's returning the proper DOMElement. But even
> so, I'm getting a fatal error when $oRootNode is trying to
> appendChild(). Specifically, the error I'm getting is
>
> Fatal error: Uncaught exception 'DOMException' with message 'Wrong
> Document Error'
>
> What's going on? It doesn't seem like I'm doing anything wrong but
> something is causing the problem and I apparently do not understand
> exactly what.
>
> Could anyone lend any insight as to what's going on? And what I might
> do to get what I need done?
>
> thnx,
> Chris
DOM Nodes are specific to the document in which they were created, so
you can't just append a node from one document into another document.
The importNode function does what you want.
http://us2.php.net/manual/en/function.dom-domdocument-importnode.php
Andrew
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