: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
namespace Yoast\WP\SEO\Integrations\Admin;
use WPSEO_Admin_Asset_Manager;
use Yoast\WP\SEO\Conditionals\Admin_Conditional;
use Yoast\WP\SEO\Integrations\Integration_Interface;
* Menu_Badge_Integration class.
class Menu_Badge_Integration implements Integration_Interface {
public static function get_conditionals() {
return [ Admin_Conditional::class ];
public function register_hooks() {
\add_action( 'admin_enqueue_scripts', [ $this, 'add_inline_styles' ] );
* Renders the migration error.
public function add_inline_styles() {
$custom_css = 'ul.wp-submenu span.yoast-premium-badge::after, #wpadminbar span.yoast-premium-badge::after { content:"'
. \__( 'Premium', 'wordpress-seo' ) . '"}';
\wp_add_inline_style( WPSEO_Admin_Asset_Manager::PREFIX . 'admin-global', $custom_css );