Add to functions.php
Ref. – https://www.markwarddesign.com/2014/02/12/remove-custom-post-type-slug-permalink/
/**
* Remove the slug from published post permalinks. Only affect our CPT though.
*/
function vipx_remove_cpt_slug( $post_link, $post, $leavename ) {
if ( ! in_array( $post->post_type, array( 'partner' ) ) || 'publish' != $post->post_status )
return $post_link;
$post_link = str_replace( '/' . $post->post_type . '/', '/', $post_link );
return $post_link;
}
add_filter( 'post_type_link', 'vipx_remove_cpt_slug', 10, 3 );
function vipx_parse_request_tricksy( $query ) {
// Only noop the main query
if ( ! $query->is_main_query() )
return;
// Only noop our very specific rewrite rule match
if ( 2 != count( $query->query )
|| ! isset( $query->query['page'] ) )
return;
// 'name' will be set if post permalinks are just post_name, otherwise the page rule will match
if ( ! empty( $query->query['name'] ) )
$query->set( 'post_type', array( 'post', 'partner', 'page' ) );
}
add_action( 'pre_get_posts', 'vipx_parse_request_tricksy' );