: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
namespace Yoast\WP\SEO\Routes;
use Yoast\WP\SEO\Conditionals\Addon_Installation_Conditional;
* Supported_Features_Route class.
class Supported_Features_Route implements Route_Interface {
* Represents the supported features route.
public const SUPPORTED_FEATURES_ROUTE = '/supported-features';
* Returns the conditionals based in which this loadable should be active.
public static function get_conditionals() {
Addon_Installation_Conditional::class,
* Registers routes with WordPress.
public function register_routes() {
$supported_features_route = [
'callback' => [ $this, 'get_supported_features' ],
'permission_callback' => '__return_true',
\register_rest_route( Main::API_V1_NAMESPACE, self::SUPPORTED_FEATURES_ROUTE, $supported_features_route );
* Returns a list of features supported by this yoast seo installation.
* @return WP_REST_Response a list of features supported by this yoast seo installation.
public function get_supported_features() {
return new WP_REST_Response(
'addon-installation' => 1,