Title: upgrader_pre_download
Published: April 25, 2014
Last modified: August 20, 2026

---

# apply_filters( ‘upgrader_pre_download’, false|string|WP_Error $reply, string $package, WP_Upgrader $upgrader, array $hook_extra )

## In this article

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

Filters whether to download a package for a WordPress core, plugin, theme, or translation
upgrade.

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

Return a non-false value to short-circuit the download and return that value instead.

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

 `$reply`false|string|[WP_Error](https://developer.wordpress.org/reference/classes/wp_error/)

Whether to short-circuit the download, the path to the downloaded package, or a 
[WP_Error](https://developer.wordpress.org/reference/classes/wp_error/) object. 
Default false.

`$package`string

The package URI. May be a remote URL or local file path.

`$upgrader`[WP_Upgrader](https://developer.wordpress.org/reference/classes/wp_upgrader/)

The [WP_Upgrader](https://developer.wordpress.org/reference/classes/wp_upgrader/)
instance.

`$hook_extra`array

Extra arguments passed to hooked filters.

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

    ```php
    $reply = apply_filters( 'upgrader_pre_download', false, $package, $this, $hook_extra );
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-admin/includes/class-wp-upgrader.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.1/src/wp-admin/includes/class-wp-upgrader.php#L322)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-admin/includes/class-wp-upgrader.php#L322-L322)

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

| Used by | Description | 
| [WP_Upgrader::download_package()](https://developer.wordpress.org/reference/classes/wp_upgrader/download_package/)`wp-admin/includes/class-wp-upgrader.php` |

Downloads a package for a WordPress core, plugin, theme, or translation upgrade.

  |

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

| Version | Description | 
| [5.5.0](https://developer.wordpress.org/reference/since/5.5.0/) | Added the `$hook_extra` parameter. | 
| [3.7.0](https://developer.wordpress.org/reference/since/3.7.0/) | Introduced. |

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