How to rewrite URI of custom post type?

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The site that I am working on uses the following “pretty” permalink structure: 

http://example.com/blog/my-special-post

But for a custom post type my client would like to avoid having a “pretty” slug:

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http://example.com/product/142

How can the post ID be used in place of the slug?

I believe that this might be possible using WP_Rewrite, but I do not know where to begin.

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3 comments

  2. All of WP’s posts/pages, regardless of their type, can be reached via http://example.com/?p=foo, where foo is the post ID.

    By default, redirection to a “pretty permalink” takes place though.

    On the WP Codex entry for register_post_type() (I assume that’s what you’re using to set up your CPT, right?), the rewrite argument is described:

    rewrite
    (boolean or array) (optional) Rewrite permalinks with this format. False to prevent rewrite.
    Default: true and use post type as slug

    So, using

    $args = array(
    'rewrite' => false,
    // ... whatever else there is
);
register_post_type('product', $args);

    should yield what you’re looking for.

  3. In the WP admin you can chane the display of the permalinks by going to ‘Settings->Permalinks’. To achieve your desired results, set the custom structure to /%post_id%/. Unless you manually edit .htaccess and the WP rewrite rules, I don’t think you can achieve a structure where you have the post slug in the URI for one post type, but the ID for another.