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

---

# apply_filters( ‘wpmu_delete_blog_upload_dir’, string $basedir, int $site_id )

## In this article

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

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

Filters the upload base directory to delete when the site is deleted.

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

 `$basedir`string

Uploads path without subdirectory. See [wp_upload_dir()](https://developer.wordpress.org/reference/functions/wp_upload_dir/).

`$site_id`int

The site ID.

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

    ```php
    $dir     = apply_filters( 'wpmu_delete_blog_upload_dir', $uploads['basedir'], $site->id );
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/ms-site.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/ms-site.php#L846)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/ms-site.php#L846-L846)

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

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

Runs the uninitialization routine for a given site.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/hooks/wpmu_delete_blog_upload_dir/?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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