From 84be1644cd95d99d15f454f5803ad365eba499e6 Mon Sep 17 00:00:00 2001
From: John Blackbourn <johnbillion@git.wordpress.org>
Date: Fri, 29 Apr 2022 19:27:00 +0000
Subject: [PATCH] Docs: Improve documentation of the `walker` argument for
 various functions.

See #54729


git-svn-id: https://develop.svn.wordpress.org/trunk@53318 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/includes/template.php    | 4 ++--
 src/wp-includes/category-template.php | 4 ++++
 src/wp-includes/post-template.php     | 6 ++++--
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/wp-admin/includes/template.php b/src/wp-admin/includes/template.php
index 392595b555..cb8000297a 100644
--- a/src/wp-admin/includes/template.php
+++ b/src/wp-admin/includes/template.php
@@ -68,8 +68,8 @@ function wp_category_checklist( $post_id = 0, $descendants_and_self = 0, $select
  *     @type int[]  $selected_cats        Array of category IDs to mark as checked. Default false.
  *     @type int[]  $popular_cats         Array of category IDs to receive the "popular-category" class.
  *                                        Default false.
- *     @type Walker $walker               Walker object to use to build the output.
- *                                        Default is a Walker_Category_Checklist instance.
+ *     @type Walker $walker               Walker object to use to build the output. Default empty which
+ *                                        results in a Walker_Category_Checklist instance being used.
  *     @type string $taxonomy             Taxonomy to generate the checklist for. Default 'category'.
  *     @type bool   $checked_ontop        Whether to move checked items out of the hierarchy and to
  *                                        the top of the list. Default true.
diff --git a/src/wp-includes/category-template.php b/src/wp-includes/category-template.php
index 138491fa77..8c34b0e985 100644
--- a/src/wp-includes/category-template.php
+++ b/src/wp-includes/category-template.php
@@ -331,6 +331,8 @@ function category_description( $category = 0 ) {
  *                                           Default false (create select element even if no categories are found).
  *     @type bool         $required          Whether the `<select>` element should have the HTML5 'required' attribute.
  *                                           Default false.
+ *     @type Walker       $walker            Walker object to use to build the output. Default empty which results in a
+ *                                           Walker_CategoryDropdown instance being used.
  * }
  * @return string HTML dropdown list of categories.
  */
@@ -518,6 +520,8 @@ function wp_dropdown_categories( $args = '' ) {
  *                                               to disable. Default 'Categories'.
  *     @type bool|int     $use_desc_for_title    Whether to use the category description as the title attribute.
  *                                               Accepts 0, 1, or their bool equivalents. Default 1.
+ *     @type Walker       $walker                Walker object to use to build the output. Default empty which results
+ *                                               in a Walker_Category instance being used.
  * }
  * @return void|string|false Void if 'echo' argument is true, HTML list of categories if 'echo' is false.
  *                           False if the taxonomy does not exist.
diff --git a/src/wp-includes/post-template.php b/src/wp-includes/post-template.php
index f9f3c813c6..ccb13c99b5 100644
--- a/src/wp-includes/post-template.php
+++ b/src/wp-includes/post-template.php
@@ -1259,7 +1259,8 @@ function wp_dropdown_pages( $args = '' ) {
  *                                      will not be wrapped with unordered list `<ul>` tags. Default 'Pages'.
  *     @type string       $item_spacing Whether to preserve whitespace within the menu's HTML. Accepts 'preserve' or 'discard'.
  *                                      Default 'preserve'.
- *     @type Walker       $walker       Walker instance to use for listing pages. Default empty (Walker_Page).
+ *     @type Walker       $walker       Walker instance to use for listing pages. Default empty which results in a
+ *                                      Walker_Page instance being used.
  * }
  * @return void|string Void if 'echo' argument is true, HTML list of pages if 'echo' is false.
  */
@@ -1381,7 +1382,8 @@ function wp_list_pages( $args = '' ) {
  *     @type string          $after        The HTML or text to append to the menu. Default is '</ul>'.
  *     @type string          $item_spacing Whether to preserve whitespace within the menu's HTML. Accepts 'preserve'
  *                                         or 'discard'. Default 'discard'.
- *     @type Walker          $walker       Walker instance to use for listing pages. Default empty (Walker_Page).
+ *     @type Walker          $walker       Walker instance to use for listing pages. Default empty which results in a
+ *                                         Walker_Page instance being used.
  * }
  * @return void|string Void if 'echo' argument is true, HTML menu if 'echo' is false.
  */