Ticket #14971: classes.diff

wp-includes/classes.php

@@ -316 +316 @@
          * @since 2.0.0
          */
         function send_headers() {
-                $headers = array('X-Pingback' => get_bloginfo('pingback_url'));
+                $headers = array();
                 $status = null;
                 $exit_required = false;
 
                 if ( is_user_logged_in() )
                         $headers = array_merge($headers, wp_get_nocache_headers());
+                if ( get_option( 'default_ping_status' ) === 'open' )
+                        $headers['X-Pingback'] = get_bloginfo('pingback_url');
                 if ( !empty($this->query_vars['error']) && '404' == $this->query_vars['error'] ) {
                         $status = 404;
                         if ( !is_user_logged_in() )