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Editorial Team
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Asked: 2026-05-13T22:50:07+00:00

<?php include ../music/php/logic/core.php; include ../music/php/logic/settings.php; include ../music/php/logic/music.php; $top = At world’s end; // create

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<?php

include "../music/php/logic/core.php";
include "../music/php/logic/settings.php";
include "../music/php/logic/music.php";
$top = "At world's end";


// create doctype
$dom = new DOMDocument("1.0");

header("Content-Type: text/xml");

?>

<music>
<?php $_xml = "<title>".$top."</title>";
echo $_xml; ?>
</music>

I’m using this code to generate a dynamic XML document. The file is saved as PHP.
My problem is that I can’t echo php variables into the xml. However I can echo “literal” type text. I can’t see anything wrong with my approach, it just doesn’t work!

I’m pretty new to XML so I’ve probably missed something glaringly simple.

I’ve also tried lines like:

<title><?php echo $top; ?></title>
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1 Answer

  1. Editorial Team

    You don’t use DOM this way. You use the DOM API to create the entire document:

    $doc   = new DOMDocument();
$books = $doc->createElement( "books" );
$doc->appendChild( $books );
// ...

    See:

    A more verbose example (generating XHTML with DOM)

    // Create head element
$head = $document->createElement('head');
$metahttp = $document->createElement('meta');
$metahttp->setAttribute('http-equiv', 'Content-Type');
$metahttp->setAttribute('content', 'text/html; charset=utf-8');
$head->appendChild($metahttp);

    See this tutorial on how to use DOM for XHTML. For reuse of code, you can write your own classes extending DOM classes to get configurable components.

    If you don’t want to use DOM or want to use plain text for generating the XML, just approach it like any other template, e.g.

    <root>
    <albums>
        <album id="<?php echo $albumId; ?>">
            <title><?php echo $title; ?></title>
            ... other elements ...
        </album>
    </albums>
</root>
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