Filters whether or not to add a __trashed suffix to trashed posts that match the name of the updated post.

$add_trashed_suffix bool

Whether to attempt to add the suffix.

$post_name string

The name of the post being updated.

$post_ID int

Post ID.

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

$add_trashed_suffix = apply_filters( 'add_trashed_suffix_to_trashed_posts', true, $post_name, $post_ID );