WordPress Developer Resources

apply_filters( ‘wp_revisions_to_keep’, int $num, WP_Post $post )

Filters the number of revisions to save for the given post.

Description

Overrides the value of WP_POST_REVISIONS.

Parameters

$numint: Number of revisions to store.
$postWP_Post: Post object.

More Information

By default, an infinite number of revisions are stored if a post type supports revisions.
Note that the filter callback functions must return a value after it is finished processing or the revisions will be empty.

Source

$num = apply_filters( 'wp_revisions_to_keep', $num, $post );

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Changelog

Version	Description
3.6.0	Introduced.

User Contributed Notes

Skip to note 2 content

Steven Lin 5 years ago

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Example migrated from Codex:

The example below sets the number of revisions for a theoretical post type ‘my_custom_post’.
```
add_filter( 'wp_revisions_to_keep', 'filter_function_name', 10, 2 );

function filter_function_name( $num, $post ) {
    
    if( 'my_custom_post' == $post->post_type ) {
        $num = 5;
    }
    return $num;
}
```
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