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Editorial Team
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Asked: 2026-05-30T20:36:01+00:00

Anytime I echo something out in PHP, no matter where the PHP code sits

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Anytime I echo something out in PHP, no matter where the PHP code sits it puts the generated code into the body tag of the html page.

How do I inject html created by PHP into the head tag of the HTML?

for example making the title dynamic or writing a script within the head dynamic.

example code:

<html>
  <head>
    <?php echo "moo"; ?>
  </head>
  <body>
  </body>
</html>

returns:

<html>
  <head>
  </head>
  <body>
    moo
  </body>
</html>

EDIT:

I am running it through the server running Nagios this might have something to do with it.

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1 Answer

  1. Editorial Team

    This is happening because you can only have specific tags in your <head>.

    You cannot have text nodes (such as “moo”) in your <head>. The PHP is outputting correctly, but the browser is trying to correct the malformed HTML.

    More info: https://developer.mozilla.org/en/HTML/Element/head

    Elements that can be used inside a <head> element: <title>, <base>, <link>, <style>, <meta>, <script>, <noscript>, <command>

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