Title: WP_HTML_Open_Elements::walk_down
Published: November 8, 2023
Last modified: February 24, 2026

---

# WP_HTML_Open_Elements::walk_down()

## In this article

 * [Description](https://developer.wordpress.org/reference/classes/wp_html_open_elements/walk_down/?output_format=md#description)
 * [Source](https://developer.wordpress.org/reference/classes/wp_html_open_elements/walk_down/?output_format=md#source)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_html_open_elements/walk_down/?output_format=md#changelog)

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

Steps through the stack of open elements, starting with the top element (added first)
and walking downwards to the one added last.

## 󠀁[Description](https://developer.wordpress.org/reference/classes/wp_html_open_elements/walk_down/?output_format=md#description)󠁿

This generator function is designed to be used inside a “foreach” loop.

Example:

    ```php
    $html = '<em><strong><a>We are here';
    foreach ( $stack->walk_down() as $node ) {
        echo "{$node->node_name} -> ";
    }
    > EM -> STRONG -> A ->
    ```

To start with the most-recently added element and walk towards the top, see [WP_HTML_Open_Elements::walk_up()](https://developer.wordpress.org/reference/classes/wp_html_open_elements/walk_up/).

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

    ```php
     */
    public function walk_down() {
    	$count = count( $this->stack );

    	for ( $i = 0; $i < $count; $i++ ) {
    		yield $this->stack[ $i ];
    	}
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/html-api/class-wp-html-open-elements.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/html-api/class-wp-html-open-elements.php#L617)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/html-api/class-wp-html-open-elements.php#L617-L623)

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

| Version | Description | 
| [6.4.0](https://developer.wordpress.org/reference/since/6.4.0/) | Introduced. |

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