[wp-trac] [WordPress Trac] #55880: Custom post type isn't redirected to its canonical URL

WordPress Trac noreply at wordpress.org
Tue May 31 11:54:44 UTC 2022

#55880: Custom post type isn't redirected to its canonical URL
 Reporter:  manooweb      |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Canonical     |    Version:
 Severity:  normal        |   Keywords:
  Focuses:                |
 At the opposite of a custom taxonomy term which is redirected to its
 pretty URL when we use its plain permalink, a custom post type is not.

 1. Set a custom permalink structure in WordPress permalinks settings like
 2. Register a custom taxonomy and custom post type by using the code below
 for example

  * Plugin Name: custom taxonomy and custom post type for testing.

 function test_custom_taxonomy_and_post_type() {

         $custom_tax_labels = array(
                 'name'          => 'Custom taxonomies',
                 'singular_name' => 'Custom taxonomy',
                 'menu_name'     => 'Custom taxonomies',

                         'labels'       => $custom_tax_labels,
                         'public'       => true,
                         'rewrite'      => true,
                         'hierarchical' => true,

         $custom_post_labels = array(
                 'name'          => 'Custom posts',
                 'singular_name' => 'Custom post',
                 'menu_name'     => 'Custom posts',

                         'labels'      => $custom_post_labels,
                         'public'      => true,
                         'rewrite'     => true,
                         'has_archive' => true,
                         'taxonomies'  => 'custom_tax',

 add_action('init', 'test_custom_taxonomy_and_post_type');


 3. Create a custom taxonomy term: Custom term example (slug: custom-term-
 4. Create a custom post: Custom post example (slug: custom-post-example)
 and link it to Custom term example
 5. Try to get the plain permalink of the custom taxonomy
 http://example.org/?custom_tax=custom-term-example. We are redirected to
 the pretty URL http://example.org/custom_tax/custom-term-example/ 👌
 6. Do the same with the custom post example plain permalink URL
 http://example.org/?custom_post=custom-post-example. We aren't redirected
 to its canonical URL which should be http://example.org/custom_post
 7. Notice that the {{{<link rel="canonical" href="" />}}} is correctly set
 in the HTML source code by the {{{wp_get_canonical_url()}}} function
 8. Note that the custom post type archive page isn't redirected either.
 http://example.org/?post_type=custom_post should be redirected to

Ticket URL: <https://core.trac.wordpress.org/ticket/55880>
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