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Remove custom post type slug from permalinks 2
* Have WordPress match postname to any of our public post types (post, page, race).
* All of our public post types can have /post-name/ as the slug, so they need to be unique across all posts.
* By default, WordPress only accounts for posts and pages where the slug is /post-name/.
* @param $query The current query.
function gp_add_cpt_post_names_to_main_query( $query ) {
// Bail if this is not the main query.
if ( ! $query->is_main_query() ) {
// Bail if this query doesn't match our very specific rewrite rule.
if ( ! isset( $query->query['page'] ) || 2 !== count( $query->query ) ) {
// Bail if we're not querying based on the post name.
if ( empty( $query->query['name'] ) ) {
// Add CPT to the list of post types WP will include when it queries based on the post name.
$query->set( 'post_type', array( 'post', 'page', 'race' ) );
add_action( 'pre_get_posts', 'gp_add_cpt_post_names_to_main_query' );

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komapeb commented May 3, 2018

Is there a way to make this work with hierarchical CPT?

Subpage has the same name, with a different parent, and has different contents. Just the slugs are identical.


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Garconis commented Jul 3, 2019

@kellenmace is this still working? For some reason, this still allows me to create a slug on my CPT that already exists on a live Page.


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kellenmace commented Jul 5, 2019

Hey @Garconis - Yeah, this still works and has for several years. I would make sure you’re using both code snippets from my blog post, though: If you are missing the other one, that may be why WP is allowing your custom post type and pages to have the same slugs.

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