Create Google XML (Image) Sitemaps in PHP

Ever wanted to create a Google XML Image Sitemap?

This is how it could be done with PHP:

header("Content-type: text/xml; charset=utf-8");

//create your XML document, using the namespaces
$urlset = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="" xmlns:image="" /><!--?xml version="1.0" encoding="UTF-8"?-->');

//iterate over your sites pages or whatever you like

foreach (getMyPagesOrWhatEver() as $item):

    //add the page URL to the XML urlset
    $url = $urlset->addChild('url');
    $url->addChild('loc', $item->URL );
    $url->addChild('lastmod', $item->LASTMOD );
    $url->addChild('changefreq', 'daily');  //weekly etc.
    $url->addChild('priority', '1.0');

    //add an image
    if ( $item->IMAGE ):
        $image = $url->addChild('image:image', null, '');
        $image->addChild('image:loc',$item->IMAGE->URL, '');
        $image->addChild('image:caption',$item->IMAGE->ALT_OR_TITLE , '');


//add whitespaces to xml output (optional, of course)
$dom = new DomDocument();
$dom->formatOutput = true;
//output xml

echo $dom->saveXML();

That’s about it.

I found it kind of tricky to figure out how to use googles namespaces when working with SimpleXML, so hopefully this might help someone :)

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