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namespace Yoast\WP\SEO\Builders;
use Yoast\WP\SEO\Helpers\Options_Helper;
use Yoast\WP\SEO\Models\Indexable;
use Yoast\WP\SEO\Values\Indexables\Indexable_Builder_Versions;
* System page builder for the indexables.
* Formats system pages ( search and error ) meta to indexable format.
class Indexable_System_Page_Builder {
* Mapping of object type to title option keys.
public const OPTION_MAPPING = [
'title' => 'title-search-wpseo',
'title' => 'title-404-wpseo',
'breadcrumb_title' => 'breadcrumbs-404crumb',
* The latest version of the Indexable_System_Page_Builder.
* Indexable_System_Page_Builder constructor.
* @param Options_Helper $options The options helper.
* @param Indexable_Builder_Versions $versions The latest version of each Indexable Builder.
public function __construct(
Indexable_Builder_Versions $versions
$this->options = $options;
$this->version = $versions->get_latest_version_for_type( 'system-page' );
* @param string $object_sub_type The object sub type of the system page.
* @param Indexable $indexable The indexable to format.
* @return Indexable The extended indexable.
public function build( $object_sub_type, Indexable $indexable ) {
$indexable->object_type = 'system-page';
$indexable->object_sub_type = $object_sub_type;
$indexable->title = $this->options->get( static::OPTION_MAPPING[ $object_sub_type ]['title'] );
$indexable->is_robots_noindex = true;
$indexable->blog_id = \get_current_blog_id();
if ( \array_key_exists( 'breadcrumb_title', static::OPTION_MAPPING[ $object_sub_type ] ) ) {
$indexable->breadcrumb_title = $this->options->get( static::OPTION_MAPPING[ $object_sub_type ]['breadcrumb_title'] );
$indexable->version = $this->version;