Ticket #42603: 42603.diff

wp-includes/widgets.php

@@ -1362 +1362 @@
         if ( empty( $whitelist ) ) {
                 $whitelist = array_keys( $GLOBALS['wp_registered_widgets'] );
         }
-
+        
         foreach ( $sidebars_widgets as $sidebar => $widgets ) {
-                if ( is_array( $widgets ) ) {
+            if ( is_array( $widgets ) ) {
                         $sidebars_widgets[ $sidebar ] = array_intersect( $widgets, $whitelist );
-                }
+            } else {
+                        $sidebars_widgets[ $sidebar ] = array();
+            }
         }
 
         return $sidebars_widgets;