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

---

# apply_filters( ‘_wp_post_revision_fields’, string[] $fields, array $post )

## In this article

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

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

Filters the list of fields saved in post revisions.

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

Included by default: ‘post_title’, ‘post_content’ and ‘post_excerpt’.

Disallowed fields: ‘ID’, ‘post_name’, ‘post_parent’, ‘post_date’, ‘post_date_gmt’,‘
post_status’, ‘post_type’, ‘comment_count’, and ‘post_author’.

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

 `$fields`string[]

List of fields to revision. Contains `'post_title'`, `'post_content'`, and `'post_excerpt'`
by default.

`$post`array

A post array being processed for insertion as a post revision.

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

    ```php
    $fields = apply_filters( '_wp_post_revision_fields', $fields, $post );
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/revision.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/revision.php#L54)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/revision.php#L54-L54)

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

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

Determines which fields of posts are to be saved in revisions.

  |

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

| Version | Description | 
| [4.5.0](https://developer.wordpress.org/reference/since/4.5.0/) | The `$post` parameter was added. | 
| [2.6.0](https://developer.wordpress.org/reference/since/2.6.0/) | Introduced. |

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