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

Overrides the value of WP_POST_REVISIONS.

$num int

Number of revisions to store.

$post WP_Post

Post object.

• 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.

File: wp-includes/revision.php. View all references

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