public static function save()
{
global $current_tab;
if (empty($_REQUEST['_wpnonce']) || !wp_verify_nonce($_REQUEST['_wpnonce'], 'woocommerce-settings')) {
die(__('Action failed. Please refresh the page and retry.', 'woocommerce'));
}
// Trigger actions
do_action('woocommerce_settings_save_' . $current_tab);
do_action('woocommerce_update_options_' . $current_tab);
do_action('woocommerce_update_options');
self::add_message(__('Your settings have been saved.', 'woocommerce'));
self::check_download_folder_protection();
// Clear any unwanted data and flush rules
delete_transient('woocommerce_cache_excluded_uris');
WC()->query->init_query_vars();
WC()->query->add_endpoints();
do_action('woocommerce_flush_rewrite_rules');
do_action('woocommerce_settings_saved');
}