How to do set post permalinks slug using 6 digit random unique function?

I need the following: e.g.

ww w.e.g.com/hello-world

to

ww w.e.g.com/9xY52a

of course function check 9xY52a inside the databese posts.

I was try this topic: Random permalink key in wordpress

this code get “Cannot redeclare wp_unique_post_slug()” error message.

• This topic was modified 7 years, 6 months ago by ionurboz.