php - How to stop HTML text in textarea to be interpreted as code -

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i have textarea users can edit. after edit save text in php variable $bio. when want display this:

    <?php      $bio = nl2br($bio);     echo $bio;     ?>

but if user example types html command "strong" in text site output text bold. nothing want.

how can print/echo $bio on screen text , not html code?

thanks in advance!

replace echo $bio; echo htmlspecialchars($bio);

http://php.net/htmlspecialchars


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