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

---

# wpmu_update_blogs_date()

## In this article

 * [Source](https://developer.wordpress.org/reference/functions/wpmu_update_blogs_date/?output_format=md#source)
 * [Hooks](https://developer.wordpress.org/reference/functions/wpmu_update_blogs_date/?output_format=md#hooks)
 * [Related](https://developer.wordpress.org/reference/functions/wpmu_update_blogs_date/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/functions/wpmu_update_blogs_date/?output_format=md#changelog)

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

Updates the last_updated field for the current site.

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

    ```php
    function wpmu_update_blogs_date() {
    	$site_id = get_current_blog_id();

    	update_blog_details( $site_id, array( 'last_updated' => current_time( 'mysql', true ) ) );
    	/**
    	 * Fires after the blog details are updated.
    	 *
    	 * @since MU (3.0.0)
    	 *
    	 * @param int $blog_id Site ID.
    	 */
    	do_action( 'wpmu_blog_updated', $site_id );
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/ms-blogs.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/ms-blogs.php#L24)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/ms-blogs.php#L24-L36)

## 󠀁[Hooks](https://developer.wordpress.org/reference/functions/wpmu_update_blogs_date/?output_format=md#hooks)󠁿

 [do_action( ‘wpmu_blog_updated’, int $blog_id )](https://developer.wordpress.org/reference/hooks/wpmu_blog_updated/)

Fires after the blog details are updated.

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

| Uses | Description | 
| [current_time()](https://developer.wordpress.org/reference/functions/current_time/)`wp-includes/functions.php` |

Retrieves the current time based on specified type.

  | 
| [update_blog_details()](https://developer.wordpress.org/reference/functions/update_blog_details/)`wp-includes/ms-blogs.php` |

Updates the details for a blog and the blogs table for a given blog ID.

  | 
| [get_current_blog_id()](https://developer.wordpress.org/reference/functions/get_current_blog_id/)`wp-includes/load.php` |

Retrieves the current site ID.

  | 
| [do_action()](https://developer.wordpress.org/reference/functions/do_action/)`wp-includes/plugin.php` |

Calls the callback functions that have been added to an action hook.

  |

[Show 2 more](https://developer.wordpress.org/reference/functions/wpmu_update_blogs_date/?output_format=md#)
[Show less](https://developer.wordpress.org/reference/functions/wpmu_update_blogs_date/?output_format=md#)

| Used by | Description | 
| [_update_blog_date_on_post_publish()](https://developer.wordpress.org/reference/functions/_update_blog_date_on_post_publish/)`wp-includes/ms-blogs.php` |

Handler for updating the site’s last updated date when a post is published or an already published post is changed.

  | 
| [_update_blog_date_on_post_delete()](https://developer.wordpress.org/reference/functions/_update_blog_date_on_post_delete/)`wp-includes/ms-blogs.php` |

Handler for updating the current site’s last updated date when a published post is deleted.

  |

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

| Version | Description | 
| [MU (3.0.0)](https://developer.wordpress.org/reference/since/mu.3.0.0/) | Introduced. |

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