wp_switch_roles_and_user

WordPress Version: 4.9

/**
 * Switches the initialized roles and current user capabilities to another site.
 *
 * @since 4.9.0
 *
 * @param int $new_site_id New site ID.
 * @param int $old_site_id Old site ID.
 */
function wp_switch_roles_and_user($new_site_id, $old_site_id)
{
    if ($new_site_id == $old_site_id) {
        return;
    }
    if (!did_action('init')) {
        return;
    }
    wp_roles()->for_site($new_site_id);
    wp_get_current_user()->for_site($new_site_id);
}