Title: walk_page_tree
Published: April 25, 2014
Last modified: February 24, 2026

---

# walk_page_tree( array $pages, int $depth, int $current_page, array $args ): string

## In this article

 * [Parameters](https://developer.wordpress.org/reference/functions/walk_page_tree/?output_format=md#parameters)
 * [Return](https://developer.wordpress.org/reference/functions/walk_page_tree/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/functions/walk_page_tree/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/functions/walk_page_tree/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/functions/walk_page_tree/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/functions/walk_page_tree/?output_format=md#wp--skip-link--target)

Retrieves HTML list content for page list.

## 󠀁[Parameters](https://developer.wordpress.org/reference/functions/walk_page_tree/?output_format=md#parameters)󠁿

 `$pages`arrayrequired

`$depth`intrequired

`$current_page`intrequired

`$args`arrayrequired

## 󠀁[Return](https://developer.wordpress.org/reference/functions/walk_page_tree/?output_format=md#return)󠁿

 string

## 󠀁[Source](https://developer.wordpress.org/reference/functions/walk_page_tree/?output_format=md#source)󠁿

    ```php
    function walk_page_tree( $pages, $depth, $current_page, $args ) {
    	if ( empty( $args['walker'] ) ) {
    		$walker = new Walker_Page();
    	} else {
    		/**
    		 * @var Walker $walker
    		 */
    		$walker = $args['walker'];
    	}

    	foreach ( (array) $pages as $page ) {
    		if ( $page->post_parent ) {
    			$args['pages_with_children'][ $page->post_parent ] = true;
    		}
    	}

    	return $walker->walk( $pages, $depth, $args, $current_page );
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/post-template.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/post-template.php#L1562)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/post-template.php#L1562-L1579)

## 󠀁[Related](https://developer.wordpress.org/reference/functions/walk_page_tree/?output_format=md#related)󠁿

| Uses | Description | 
| [Walker::walk()](https://developer.wordpress.org/reference/classes/walker/walk/)`wp-includes/class-wp-walker.php` |

Displays array of elements hierarchically.

  |

| Used by | Description | 
| [wp_list_pages()](https://developer.wordpress.org/reference/functions/wp_list_pages/)`wp-includes/post-template.php` |

Retrieves or displays a list of pages (or hierarchical post type items) in list (li) format.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/functions/walk_page_tree/?output_format=md#changelog)󠁿

| Version | Description | 
| [2.1.0](https://developer.wordpress.org/reference/since/2.1.0/) | Introduced. |

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