PHP XML inserting element after (or before) another element

Question

I have a previously generated XML like this:

<newsletter>

    <header>
        </magazine>
        </image>
        <strap/>
    </header>

    <intro>
        <date/>
        <text/>
        </edimg>
    </intro>

    <shop>
        <heading/>
        <article/>
        <title/>
        <img/>
        <link/>
        <excerpt/>
    </shop>

    <sidebar>
        <cover/>
        <cover_link/>
        <text/>
        <advert>
        <link/>
        <image/>
        </advert>
    </sidebar>

</newsletter>

I need to be able to insert an element in between the <intro> and the <shop> elements

this:

$section = $dom->documentElement->appendChild($dom->createElement('section'));

will just create the element within <newsletter> .

I assumed this would be fairly simple , but cannot seem to find a solution .

Thanks.

You're looking for the insertBefore method I presume, just search for the shop element and insert before that. — Wrikken
– Wrikken, Commented Jan 18, 2011 at 11:59

Nabab · Accepted Answer · 2011-01-18 12:04:30Z

7

You might try this; I didn't test it, but the solution comes from using insertBefore instead of appendChild.

$shop = $dom->getElementsByTagName("shop")->item(0);
$section = $dom->documentElement->insertBefore($dom->createElement('section'),$shop);

answered Jan 18, 2011 at 12:04

Nabab

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1 Comment

BobFlemming Over a year ago

Thanks to Rik I came to the above solution with getElementsByTagName . Thanks to everyone else for the lightning quick responses.

Community · Accepted Answer · 2023-11-21 15:10:29Z

0

Fetch the <shop> node and use

DOMNode::insertBefore — Adds a new child before a reference node

instead of appending to the documentElement.

You can do that from the DOMDocument as well when passing in the shop node as second argument. Personally, I find it easier to just do that from the shop node because you have to fetch it anyway:

$shopNode->insertBefore($newNode);

edited Nov 21, 2023 at 15:10

CommunityBot

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answered Jan 18, 2011 at 12:01

Gordon

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Comments

Gordon · Accepted Answer · 2013-06-21 09:27:17Z

0

Try

$section = $dom->documentElement->insertBefore(
    $dom->createElement('section'), 
    $shop)
);

where $shop points to the <shop> element.

edited Jun 21, 2013 at 9:27

Gordon

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answered Jan 18, 2011 at 12:02

ChrisJ

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