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Editorial Team
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Asked: 2026-06-01T14:56:50+00:00

For example… This PHP code <?php echo ‘<html>’; echo ‘<body>’; echo ‘<h1>Header One</h1>’; echo

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For example…

This PHP code

<?php
echo '<html>';
echo '<body>';
echo '<h1>Header One</h1>';
echo '<p>Hello World!</p>';
echo '</body>';
echo '</html>';
?>

Generates this HTML markup

<html><body><h1>Header One</h1><p>Hello World!</p></body></html>

Are there any functions, libraries or configuration options to make PHP automatically apply some simple formatting (line breaks & indentation) based on the nesting of html tags generated in the output? So that instead something like this would be generated…

<html>
      <body>
            <h1>Header One</h1>
            <p>Hello World!</p>
      </body>
</html>
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1 Answer

  1. Editorial Team

    You could do this (my preference):

    <html>
      <body>
            <h1>Header One</h1>
            <p>Hello World!</p>
            <?php echo '<p>Hello Hello!</p>'; ?>
      </body>
</html>

    Or:

    <?php

$html = '<html><body><h1>Header One</h1><p>Hello World!</p></body></html>';

$tidy = new tidy();
$tidy->parseString($html, array('indent'=> true,'output-xhtml'=> true), 'utf8');
$tidy->cleanRepair();

echo $tidy;

?>";

    …would print:

    <html>
      <body>
            <h1>Header One</h1>
            <p>Hello World!</p>
      </body>
</html>
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