display user name in a menu

/**

  * Show a user's display name/user name in a WordPress menu.

  * Once this code is added to your site, you may add {{username}} to the link text.

  * Follow this guide to add code to your WordPress site - https://yoohooplugins.com/customize-wordpress/

  *

  * Full guide here - https://yoohooplugins.com/display-username-wordpress-menu/

  */

function yh_display_username_wp_menu( $menu_items ) {

    global $current_user;

    foreach ( $menu_items as $menu_item ) {

        if ( strpos( $menu_item->title, '{{username}}' ) !== false ) {

            // Get username, otherwise set it to blank.

            if ( $current_user->display_name ) {

                $username = $current_user->display_name;

            } else {

                $username = '';

            }

                $menu_item->title =  str_replace( '{{username}}',  $username, $menu_item->title );

        }

    }

    return $menu_items;

}

add_filter( 'wp_nav_menu_objects', 'yh_display_username_wp_menu' );