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

---

# apply_filters( ‘wp_unique_post_slug’, string $slug, int $post_id, string $post_status, string $post_type, int $post_parent, string $original_slug )

## In this article

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

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

Filters the unique post slug.

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

 `$slug`string

The post slug.

`$post_id`int

Post ID.

`$post_status`string

The post status.

`$post_type`string

Post type.

`$post_parent`int

Post parent ID

`$original_slug`string

The original post slug.

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

    ```php
    return apply_filters( 'wp_unique_post_slug', $slug, $post_id, $post_status, $post_type, $post_parent, $original_slug );
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/post.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/post.php#L5633)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/post.php#L5633-L5633)

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

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

Computes a unique slug for the post, when given the desired slug and some post details.

  |

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

| Version | Description | 
| [3.3.0](https://developer.wordpress.org/reference/since/3.3.0/) | Introduced. |

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