=================================================================== --- a/src/wp-admin/edit-form-advanced.php +++ b/src/wp-admin/edit-form-advanced.php @@ -113,7 +113,7 @@ $preview_url = get_preview_post_link( $post ); -$viewable = is_post_type_viewable( $post_type_object ); +$viewable = is_post_type_viewable( $post_type_object ) && $post_type_object->has_single; if ( $viewable ) { =================================================================== --- a/src/wp-admin/includes/class-wp-posts-list-table.php +++ b/src/wp-admin/includes/class-wp-posts-list-table.php @@ -1580,7 +1580,7 @@ } } - if ( is_post_type_viewable( $post_type_object ) ) { + if ( is_post_type_viewable( $post_type_object ) && $post_type_object->has_single ) { if ( in_array( $post->post_status, array( 'pending', 'draft', 'future' ), true ) ) { if ( $can_edit_post ) { $preview_link = get_preview_post_link( $post ); =================================================================== --- a/src/wp-admin/includes/meta-boxes.php +++ b/src/wp-admin/includes/meta-boxes.php @@ -62,7 +62,7 @@ has_single ) : ?>
null, 'taxonomies' => array(), 'has_archive' => false, + 'has_single' => true, 'rewrite' => true, 'query_var' => true, 'can_export' => true, @@ -716,10 +727,12 @@ } if ( false !== $this->rewrite && ( is_admin() || get_option( 'permalink_structure' ) ) ) { - if ( $this->hierarchical ) { - add_rewrite_tag( "%$this->name%", '(.+?)', $this->query_var ? "{$this->query_var}=" : "post_type=$this->name&pagename=" ); - } else { - add_rewrite_tag( "%$this->name%", '([^/]+)', $this->query_var ? "{$this->query_var}=" : "post_type=$this->name&name=" ); + if ( $this->has_single ) { + if ( $this->hierarchical ) { + add_rewrite_tag( "%$this->name%", '(.+?)', $this->query_var ? "{$this->query_var}=" : "post_type=$this->name&pagename=" ); + } else { + add_rewrite_tag( "%$this->name%", '([^/]+)', $this->query_var ? "{$this->query_var}=" : "post_type=$this->name&name=" ); + } } if ( $this->has_archive ) { =================================================================== --- a/src/wp-includes/link-template.php +++ b/src/wp-includes/link-template.php @@ -319,7 +319,7 @@ * @param int|WP_Post $post Optional. Post ID or post object. Default is the global `$post`. * @param bool $leavename Optional. Whether to keep post name. Default false. * @param bool $sample Optional. Is it a sample permalink. Default false. - * @return string|false The post permalink URL. False if the post does not exist. + * @return string|false The post permalink URL. False if the post does not exist or has no single. */ function get_post_permalink( $post = 0, $leavename = false, $sample = false ) { global $wp_rewrite; @@ -332,12 +332,16 @@ $post_link = $wp_rewrite->get_extra_permastruct( $post->post_type ); - $slug = $post->post_name; - $force_plain_link = wp_force_plain_post_permalink( $post ); $post_type = get_post_type_object( $post->post_type ); + if ( ! $post_type->has_single ) { + return false; + } + + $slug = $post->post_name; + if ( $post_type->hierarchical ) { $slug = get_page_uri( $post ); } @@ -1413,7 +1417,7 @@ } $post_type_object = get_post_type_object( $post->post_type ); - if ( is_post_type_viewable( $post_type_object ) ) { + if ( is_post_type_viewable( $post_type_object ) && $post_type_object->has_single ) { if ( ! $preview_link ) { $preview_link = set_url_scheme( get_permalink( $post ) ); } @@ -4187,6 +4191,10 @@ if ( ! empty( $post_id ) ) { $post_type = get_post_type_object( $post->post_type ); + if ( false === $post_type->has_single ) { + return ''; + } + if ( 'page' === $post->post_type && 'page' === get_option( 'show_on_front' ) && (int) get_option( 'page_on_front' ) === $post->ID ) { =================================================================== --- a/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php +++ b/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php @@ -669,7 +669,8 @@ $data = $this->prepare_item_for_response( $post, $request ); $response = rest_ensure_response( $data ); - if ( is_post_type_viewable( get_post_type_object( $post->post_type ) ) ) { + $post_type_object = get_post_type_object( $post->post_type ); + if ( is_post_type_viewable( $post_type_object ) && $post_type_object->has_single ) { $response->link_header( 'alternate', get_permalink( $post->ID ), array( 'type' => 'text/html' ) ); } @@ -2115,7 +2116,7 @@ } $post_type_obj = get_post_type_object( $post->post_type ); - if ( is_post_type_viewable( $post_type_obj ) && $post_type_obj->public ) { + if ( is_post_type_viewable( $post_type_obj ) && $post_type_obj->public && $post_type_obj->has_single ) { $permalink_template_requested = rest_is_field_included( 'permalink_template', $fields ); $generated_slug_requested = rest_is_field_included( 'generated_slug', $fields ); @@ -2507,7 +2508,7 @@ ); $post_type_obj = get_post_type_object( $this->post_type ); - if ( is_post_type_viewable( $post_type_obj ) && $post_type_obj->public ) { + if ( is_post_type_viewable( $post_type_obj ) && $post_type_obj->public && $post_type_obj->has_single ) { $schema['properties']['permalink_template'] = array( 'description' => __( 'Permalink template for the post.' ), 'type' => 'string', =================================================================== --- a/src/wp-includes/sitemaps/providers/class-wp-sitemaps-posts.php +++ b/src/wp-includes/sitemaps/providers/class-wp-sitemaps-posts.php @@ -37,7 +37,12 @@ $post_types = get_post_types( array( 'public' => true ), 'objects' ); unset( $post_types['attachment'] ); - $post_types = array_filter( $post_types, 'is_post_type_viewable' ); + $post_types = array_filter( + $post_types, + static function ( $post_type ) { + return is_post_type_viewable( $post_type ) && $post_type->has_single; + } + ); /** * Filters the list of post object sub types available within the sitemap.