Ticket #14816: 14816-widgets.patch

wp-includes/widgets.php

@@ -854 +854 @@
         }
 
         $sidebars_widgets = wp_get_sidebars_widgets();
+        if ( !count( $sidebars_widgets ) ) return false;
 
         if ( empty($wp_registered_sidebars[$index]) || !array_key_exists($index, $sidebars_widgets) || !is_array($sidebars_widgets[$index]) || empty($sidebars_widgets[$index]) )
                 return false;