Ticket #46542: 46542.diff

src/wp-admin/includes/meta-boxes.php

@@ -1549 +1549 @@
          *
          * @since 3.0.0
          *
-         * @param string  $post_type Post type of the post.
-         * @param string  $context   string  Meta box context.
-         * @param WP_Post $post      Post object.
+         * @param string         $post_type Post type of the post.
+         * @param string         $context   Meta box context.
+         * @param string|WP_Post $post      Post object or an empty string if used outside the Post Edit screen.
          */
         do_action( 'do_meta_boxes', $post_type, 'normal', $post );
         /** This action is documented in wp-admin/includes/meta-boxes.php */