Ticket #9393: 9393-widgets-var-notice.diff

wp-includes/widgets.php

@@ -821 +821 @@
                 if ( 'wp_inactive_widgets' == $sidebar )
                         continue;
 
-                if ( is_array($widgets) ) foreach ( $widgets as $widget )
+                if ( isset($widgets) && is_array($widgets) ) foreach ( $widgets as $widget )
                         if ( ( $callback && isset($wp_registered_widgets[$widget]['callback']) && $wp_registered_widgets[$widget]['callback'] == $callback ) || ( $id_base && preg_replace( '/-[0-9]+$/', '', $widget ) == $id_base ) ) {
                                 if ( !$widget_id || $widget_id == $wp_registered_widgets[$widget]['id'] )
                                         return $sidebar;