Ticket #5800: ping.diff

wp-includes/comment.php

@@ -1061 +1061 @@
  */
 function generic_ping($post_id = 0) {
         $services = get_option('ping_sites');
+        $services = apply_filters('option_ping_sites', $services);
         $services = preg_replace("|(\s)+|", '$1', $services); // Kill dupe lines
         $services = trim($services);
         if ( '' != $services ) {