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Editorial Team
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Asked: 2026-05-24T23:26:48+00:00

I have a template in my DB with a styling, created by the user.

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I have a template in my DB with a styling, created by the user. Because users are generally stupid and also I don’t want them to meddle with php code, I want to insert the actual values into their style before the template is rendered. It’s dynamic values.

So I have things like

<p>Here is your value:</p>
<span id="value"></span>
<p>Enjoy it!</p>

A placeholder for the value. This is probably the easiest way. I can’t/don’t want use jQuery here, but I want something similar.

I’ve seen PHP’s DOMDocument class, which seems to do the trick, with one problem: $dom->saveHTML() seems to be always saving the entire HTML tree. $dom->saveHTML($element) saves just that element, but I have several at once in my template.

Is there a trick to get them all saved without the html stuff around?

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1 Answer

  1. Editorial Team

    saveHTML() saves the element itself and all its children.

    You can save the body node to save the whole document content:

    $body = $doc->getElementsByTagName('body')->item(0);
$html = $doc->saveHTML($body);

// and remove <body></body>
$html = substr($html, strlen('<body>'), -strlen('</body>'));

    Or save body’s children one by one:

    $html = '';
foreach($body->childNodes as $node) {
    $html .= $doc->saveHTML($node);
}
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