Ticket #17447: register_post_type_hook.diff

wp-includes/post.php

@@ -910 +910 @@
                 'permalink_epmask' => EP_PERMALINK, 'can_export' => true, 'show_in_nav_menus' => null, 'show_in_menu' => null,
         );
         $args = wp_parse_args($args, $defaults);
-        $args = (object) $args;
+        $args = (object) apply_filters( 'pre_register_post_type', $args, $post_type );
 
         $post_type = sanitize_key($post_type);
         $args->name = $post_type;
@@ -1017 +1017 @@
                 register_taxonomy_for_object_type( $taxonomy, $post_type );
         }
 
-        return $args;
+        return apply_filters( 'register_post_type', $args, $post_type );
 }
 
 /**