PHP is variable not working as expected -

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i have php variable $username , following script:

<?php echo '<a href="#">'.$username.'</a>'; ?>

if $username contains something <b bolds text. how can prevent that?

use htmlspecialchars

echo '<a href="#">'.htmlspecialchars($username).'</a>';

see documentation: http://php.net/manual/en/function.htmlspecialchars.php


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