Title: wp_ajax_update_widget
Published: April 25, 2014
Last modified: May 20, 2026

---

# wp_ajax_update_widget()

## In this article

 * [Source](https://developer.wordpress.org/reference/functions/wp_ajax_update_widget/?output_format=md#source)
 * [Changelog](https://developer.wordpress.org/reference/functions/wp_ajax_update_widget/?output_format=md#changelog)

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

Handles updating a widget via AJAX.

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

    ```php
    function wp_ajax_update_widget() {
    	global $wp_customize;
    	$wp_customize->widgets->wp_ajax_update_widget();
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-admin/includes/ajax-actions.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-admin/includes/ajax-actions.php#L2467)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-admin/includes/ajax-actions.php#L2467-L2470)

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

| Version | Description | 
| [3.9.0](https://developer.wordpress.org/reference/since/3.9.0/) | Introduced. |

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