Filters whether the post slug would make a bad hierarchical post slug.

$bad_slug bool

Whether the post slug would be bad in a hierarchical post context.

$slug string

The post slug.

$post_type string

Post type.

$post_parent int

Post parent ID.

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

$is_bad_hierarchical_slug = apply_filters( 'wp_unique_post_slug_is_bad_hierarchical_slug', false, $slug, $post_type, $post_parent );