Core Function

wp_unique_post_slug()

 wp_unique_post_slug(
mixed $slug,
    mixed $post_id,
    mixed $post_status,
    mixed $post_type,
    mixed $post_parent
)

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

Parameters 5 required

Name / Type	Description
$slug string	The desired slug (post_name). Required
$post_id int	Post ID. Required
$post_status string	No uniqueness checks are made if the post is still draft or pending. Required
$post_type string	Post type. Required
$post_parent int	Post parent ID. Required

(string)

Unique slug for the post, based on $post_name (with a -1, -2, etc. suffix)

Since Version

2.8.0

Source File

wp-includes/post.php