Please send questions to st10@humboldt.edu . 
<html>

<head>
    <title> Comments submitted </title>
</head>

<body>
    <h3> Comments submitted: </h3>

    <h4> <?php
             $raw_user_input = $_POST["comments"];

             $no_tags_version = strip_tags( $raw_user_input );
             $encoded_version = htmlentities( $raw_user_input );

             print "version with NO tags: <br>" . $no_tags_version;
             print "<hr>";
             print "version with HTML characters encoded: <br>".
                   $encoded_version;

         ?>
    </h4>

</body>
</html>