Ticket #47164: 47164.diff

src/wp-includes/formatting.php

@@ -4844 +4844 @@
         } elseif ( is_object( $value ) ) {
                 $object_vars = get_object_vars( $value );
                 foreach ( $object_vars as $property_name => $property_value ) {
+                        if (ord($property_name) === 0) {
+                                continue;
+                        }
                         $value->$property_name = map_deep( $property_value, $callback );
                 }
         } else {