Title: upload_post_params
Published: April 25, 2014
Last modified: April 28, 2025

---

# apply_filters( ‘upload_post_params’, array $post_params )

## In this article

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

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

Filters the media upload post parameters.

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

 `$post_params`array

An array of media upload parameters used by Plupload.

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

    ```php
    $post_params = apply_filters( 'upload_post_params', $post_params );
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-admin/includes/media.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-admin/includes/media.php#L2168)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-admin/includes/media.php#L2168-L2168)

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

| Used by | Description | 
| [media_upload_form()](https://developer.wordpress.org/reference/functions/media_upload_form/)`wp-admin/includes/media.php` |

Outputs the legacy media upload form.

  |

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

| Version | Description | 
| [3.3.0](https://developer.wordpress.org/reference/since/3.3.0/) |  | 
| [3.1.0](https://developer.wordpress.org/reference/since/3.1.0/) | Introduced. |

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