wp_enqueue_admin_bar_header_styles

WordPress Version: 6.4

/**
 * Enqueues inline style to hide the admin bar when printing.
 *
 * @since 6.4.0
 */
function wp_enqueue_admin_bar_header_styles()
{
    // Back-compat for plugins that disable functionality by unhooking this action.
    $action = is_admin() ? 'admin_head' : 'wp_head';
    if (!has_action($action, 'wp_admin_bar_header')) {
        return;
    }
    remove_action($action, 'wp_admin_bar_header');
    wp_add_inline_style('admin-bar', '@media print { #wpadminbar { display:none; } }');
}