Ticket #12606: widgets.php.diff

wp-includes/widgets.php

@@ -490 +490 @@
                 }
 
                 if (isset($args['id'])) {
-                        $_args['id'] = $args['id'];
+                        if ( $number > 1 ){
+                    $_args['id'] = sprintf($args['id'] . '-%d', $i);
+                  } else {
+                    $_args['id'] = $args['id'];
+                  }
                 } else {
                         $n = count($wp_registered_sidebars);
                         do {