Ticket #17447: register_post_type_args-hook.diff

wp-includes/post.php

@@ -985 +985 @@
                 'show_in_nav_menus' => null, 'show_in_menu' => null, 'show_in_admin_bar' => null,
                 'delete_with_user' => null,
         );
-        $args = wp_parse_args($args, $defaults);
-        $args = (object) $args;
+        $args = wp_parse_args( $args, $defaults);
+        $args = (object) apply_filters( 'register_post_type_args', $args, $post_type );
+        if ( empty( $args ) )
+                return false;
 
         $post_type = sanitize_key($post_type);
         $args->name = $post_type;