Ticket #35021: 35021.2.diff

src/wp-admin/includes/screen.php

@@ -120 +120 @@
 
                                 $widget_title = $box['title'];
 
-                                if ( isset( $box['args']['__widget_basename'] ) ) {
+                                if ( is_array( $box['args'] ) && isset( $box['args']['__widget_basename'] ) ) {
                                         $widget_title = $box['args']['__widget_basename'];
                                 }