/**
 * Get the country dropdown options, presumably for the checkout or customer profile pages
 *
 * @param 	string|array  	$args
 *
 * @return 	string			HTML representation of the dropdown
 */
function _wpsc_country_dropdown_options($args = '')
{
    $defaults = array('acceptable' => null, 'acceptable_ids' => null, 'selected' => '', 'disabled' => null, 'disabled_ids' => null, 'placeholder' => __('Please select a country', 'wpsc'), 'include_invisible' => false);
    $args = wp_parse_args($args, $defaults);
    $output = '';
    $countries = WPSC_Countries::get_countries($args['include_invisible']);
    // if the user has a choice of countries the
    if (count($countries) > 1 && !empty($args['placeholder'])) {
        $output .= "<option value=''>" . esc_html($args['placeholder']) . "</option>\n\r";
    }
    foreach ($countries as $country) {
        $isocode = $country->get_isocode();
        $name = $country->get_name();
        // if there is only one country in the list select it
        if (count($countries) == 1) {
            $args['selected'] = $isocode;
        }
        // if we're in admin area, and the legacy country code "UK" or "TP" is selected as the
        // base country, we should display both this and the more proper "GB" or "TL" options
        // and distinguish these choices somehow
        if (is_admin() && 11 > wpsc_core_get_db_version()) {
            if (in_array($isocode, array('TP', 'UK'))) {
                /* translators: This string will mark the legacy isocode "UK" and "TP" in the country selection dropdown as "legacy" */
                $name = sprintf(__('%s (legacy)', 'wpsc'), $name);
            } elseif (in_array($isocode, array('GB', 'TL'))) {
                /* translators: This string will mark the legacy isocode "GB" and "TL" in the country selection dropdown as "ISO 3166" */
                $name = sprintf(__('%s (ISO 3166)', 'wpsc'), $name);
            }
        }
        $output .= sprintf('<option value="%1$s" %2$s %3$s>%4$s</option>' . "\n\r", esc_attr($isocode), selected($args['selected'], $isocode, false), disabled(_wpsc_is_country_disabled($country, $args), true, false), esc_html($name));
    }
    return $output;
}

 function get_local_currency_code()
 {
     if (empty($this->local_currency_code)) {
         $this->local_currency_code = WPSC_Countries::get_currency_code(get_option('currency_type'));
     }
     return $this->local_currency_code;
 }

/**
 * add countries data to the wpec javascript localizations
 *
 * @access private
 * @since 3.8.14
 *
 * @param array 	localizations  other localizations that can be added to
 *
 * @return array	localizations array with countries information added
 */
function _wpsc_countries_localizations($localizations_array)
{
    $localizations_array['no_country_selected'] = __('Please select a country', 'wpsc');
    $localizations_array['no_region_selected_format'] = __('Please select a %s', 'wpsc');
    $localizations_array['no_region_label'] = __('State/Province', 'wpsc');
    $localizations_array['base_country'] = get_option('base_country');
    $country_list = array();
    foreach (WPSC_Countries::get_countries() as $country_id => $wpsc_country) {
        if ($wpsc_country->is_visible()) {
            $country_list[$wpsc_country->get_isocode()] = $wpsc_country->get_name();
            if ($wpsc_country->has_regions()) {
                $regions = $wpsc_country->get_regions();
                $region_list = array();
                foreach ($regions as $region_id => $wpsc_region) {
                    $region_list[$region_id] = $wpsc_region->get_name();
                }
                if (!empty($region_list)) {
                    $localizations_array['wpsc_country_' . $wpsc_country->get_isocode() . '_regions'] = $region_list;
                }
            }
            $region_label = $wpsc_country->get('region_label');
            if (!empty($region_label)) {
                $localizations_array['wpsc_country_' . $wpsc_country->get_isocode() . '_region_label'] = $region_label;
            }
        }
    }
    if (!empty($country_list)) {
        $localizations_array['wpsc_countries'] = $country_list;
    }
    return $localizations_array;
}

/**
 * Sets meta for countries that no longer exist in their former notation to be considered legacy.
 *
 * @access private
 * @since 3.8.14
 */
function _wpsc_set_legacy_country_meta()
{
    if ($wpsc_country = WPSC_Countries::get_country('YU')) {
        $wpsc_country->set('_is_country_legacy', true);
    }
    if ($wpsc_country = WPSC_Countries::get_country('AN')) {
        $wpsc_country->set('_is_country_legacy', true);
    }
    if ($wpsc_country = WPSC_Countries::get_country('TP')) {
        $wpsc_country->set('_is_country_legacy', true);
    }
}

 /**
  * Create a WPSC_Currency object
  *
  * @access public
  *
  * @since 3.8.14
  *
  * @param 	string	$code			this currency's code, like "USD" for a U.S.A dollar, or "EUR" for a euro
  * @param 	string	$symbol			the text symbol for this currency, like "$"
  * @param 	string	$symbol_html    the HTML representation of the symbol, like "$"
  * @param 	string	$name           the currency name, like "US Dollar" or "Euro"
  *
  * @return void
  */
 public function __construct($code, $symbol = null, $symbol_html = null, $name = null)
 {
     // if all parameters are specified we are trying to make a new currency object
     if (!empty($code) && ($symbol != null || $symbol_html != null || $name != null)) {
         // Create a new currency object
         $this->code = $code;
         $this->symbol = $symbol;
         $this->symbol_html = $symbol_html;
         $this->name = $name;
     } else {
         // if only code is specified the constructor is typing to get the information about an existing currency
         $wpsc_currency = WPSC_Countries::get_currency($code);
         $this->code = $wpsc_currency->code;
         $this->symbol = $wpsc_currency->symbol;
         $this->symbol_html = $wpsc_currency->symbol_html;
         $this->name = $wpsc_currency->name;
     }
 }

function nzshpcrt_region_list($selected_country = null, $selected_region = null)
{
    global $wpdb;
    if ($selected_region == null) {
        $selected_region = get_option('base_region');
    }
    $output = "";
    $region_list = WPSC_Countries::get_regions($selected_country, true);
    if ($region_list != null) {
        foreach ($region_list as $region) {
            if ($selected_region == $region['id']) {
                $selected = "selected='selected'";
            } else {
                $selected = "";
            }
            $output .= "<option value='" . $region['id'] . "' {$selected}>" . $region['name'] . "</option>\r\n";
        }
    } else {
        $output .= "<option value=''>" . esc_html__('None', 'wpsc') . "</option>\r\n";
    }
    return $output;
}

function wpsc_get_region($region_id)
{
    $country_id = WPSC_Countries::get_country_id_by_region_id($region_id);
    $wpsc_region = new WPSC_Region($country_id, $region_id);
    return $wpsc_region->get_name();
}

 /**
  * Save submitted options to the database.
  * @since 3.8.8
  * @uses check_admin_referer() Prevents CSRF.
  * @uses update_option() Saves options to the database.
  * @uses wpdb::query() Queries the database.
  * @uses wpdb::get_col() Queries the database.
  * @access public
  */
 private function save_options($selected = '')
 {
     global $wpdb, $wpsc_gateways;
     $updated = 0;
     //This is to change the Overall target market selection
     check_admin_referer('update-options', 'wpsc-update-options');
     //Should be refactored along with the Marketing tab
     if (isset($_POST['change-settings'])) {
         if (isset($_POST['wpsc_also_bought']) && $_POST['wpsc_also_bought'] == 'on') {
             update_option('wpsc_also_bought', 1);
         } else {
             update_option('wpsc_also_bought', 0);
         }
         if (isset($_POST['display_find_us']) && $_POST['display_find_us'] == 'on') {
             update_option('display_find_us', 1);
         } else {
             update_option('display_find_us', 0);
         }
         if (isset($_POST['wpsc_share_this']) && $_POST['wpsc_share_this'] == 'on') {
             update_option('wpsc_share_this', 1);
         } else {
             update_option('wpsc_share_this', 0);
         }
         if (isset($_POST['wpsc_ga_disable_tracking']) && $_POST['wpsc_ga_disable_tracking'] == '1') {
             update_option('wpsc_ga_disable_tracking', 1);
         } else {
             update_option('wpsc_ga_disable_tracking', 0);
         }
         if (isset($_POST['wpsc_ga_currently_tracking']) && $_POST['wpsc_ga_currently_tracking'] == '1') {
             update_option('wpsc_ga_currently_tracking', 1);
         } else {
             update_option('wpsc_ga_currently_tracking', 0);
         }
         if (isset($_POST['wpsc_ga_advanced']) && $_POST['wpsc_ga_advanced'] == '1') {
             update_option('wpsc_ga_advanced', 1);
             update_option('wpsc_ga_currently_tracking', 1);
         } else {
             update_option('wpsc_ga_advanced', 0);
         }
         if (isset($_POST['wpsc_ga_tracking_id']) && !empty($_POST['wpsc_ga_tracking_id'])) {
             update_option('wpsc_ga_tracking_id', esc_attr($_POST['wpsc_ga_tracking_id']));
         } else {
             update_option('wpsc_ga_tracking_id', '');
         }
     }
     if (empty($_POST['countrylist2']) && !empty($_POST['wpsc_options']['currency_sign_location'])) {
         $selected = 'none';
     }
     if (!isset($_POST['countrylist2'])) {
         $_POST['countrylist2'] = '';
     }
     if (!isset($_POST['country_id'])) {
         $_POST['country_id'] = '';
     }
     if (!isset($_POST['country_tax'])) {
         $_POST['country_tax'] = '';
     }
     if ($_POST['countrylist2'] != null || !empty($selected)) {
         $AllSelected = false;
         if ($selected == 'all') {
             $wpdb->query("UPDATE `" . WPSC_TABLE_CURRENCY_LIST . "` SET visible = '1'");
             $AllSelected = true;
         }
         if ($selected == 'none') {
             $wpdb->query("UPDATE `" . WPSC_TABLE_CURRENCY_LIST . "` SET visible = '0'");
             $AllSelected = true;
         }
         if ($AllSelected != true) {
             $countrylist = $wpdb->get_col("SELECT id FROM `" . WPSC_TABLE_CURRENCY_LIST . "` ORDER BY country ASC ");
             //find the countries not selected
             $unselectedCountries = array_diff($countrylist, $_POST['countrylist2']);
             foreach ($unselectedCountries as $unselected) {
                 $wpdb->update(WPSC_TABLE_CURRENCY_LIST, array('visible' => 0), array('id' => $unselected), '%d', '%d');
             }
             //find the countries that are selected
             $selectedCountries = array_intersect($countrylist, $_POST['countrylist2']);
             foreach ($selectedCountries as $selected) {
                 $wpdb->update(WPSC_TABLE_CURRENCY_LIST, array('visible' => 1), array('id' => $selected), '%d', '%d');
             }
         }
         WPSC_Countries::clear_cache();
         wpsc_core_flush_temporary_data();
     }
     $previous_currency = get_option('currency_type');
     //To update options
     if (isset($_POST['wpsc_options'])) {
         $_POST['wpsc_options'] = stripslashes_deep($_POST['wpsc_options']);
         // make sure stock keeping time is a number
         if (isset($_POST['wpsc_options']['wpsc_stock_keeping_time'])) {
             $skt = $_POST['wpsc_options']['wpsc_stock_keeping_time'];
             // I hate repeating myself
//.........这里部分代码省略.........

/**
 *	wpsc_get_currency_code
 *
 *	@param does not receive anything
 *  @return returns the currency code used for the shop
*/
function wpsc_get_currency_code()
{
    return WPSC_Countries::get_currency_code(get_option('currency_type'));
}

function _wpsc_filter_control_select_country($output, $field, $args)
{
    extract($field);
    $country_data = WPSC_Countries::get_countries();
    $options = array();
    foreach ($country_data as $country) {
        $isocode = $country->get_isocode();
        $alternatives = array($country->get_isocode());
        switch ($isocode) {
            case 'US':
                $alternatives[] = __('United States of America', 'wp-e-commerce');
                break;
            case 'GB':
                $alternatives[] = __('Great Britain', 'wp-e-commerce');
                $alternatives[] = __('England', 'wp-e-commerce');
                $alternatives[] = __('Wales', 'wp-e-commerce');
                $alternatives[] = __('UK', 'wp-e-commerce');
                $alternatives[] = __('Scotland', 'wp-e-commerce');
                $alternatives[] = __('Northern Ireland', 'wp-e-commerce');
                break;
        }
        $alternatives = apply_filters('wpsc_country_alternative_spellings', $alternatives, $isocode, $country);
        $options[$country->get_isocode()] = array('title' => $country->get_name(), 'attributes' => array('data-alternative-spellings' => implode(' ', $alternatives)));
    }
    $output .= wpsc_form_select($name, $value, $options, array('id' => $id . '-control', 'class' => 'wpsc-form-select-country'), false);
    return $output;
}

/**
 * get a country list for checkout
 *
 * @param string|null $form_id
 * @param deprecated|null $ajax
 * @param string|null $selected_country
 * @param deprecated|null $selected_region
 * @param string|null $supplied_form_id
 * @param boolean $shippingfields
 * @return string
 */
function wpsc_country_list($form_id = null, $ajax = null, $selected_country = null, $selected_region = null, $supplied_form_id = null, $shippingfields = false)
{
    global $wpdb;
    $output = '';
    if ($form_id != null) {
        $html_form_id = "region_country_form_{$form_id}";
    } else {
        $html_form_id = 'region_country_form';
    }
    if ($shippingfields) {
        $js = '';
        $title = 'shippingcountry';
        $id = 'shippingcountry';
    } else {
        $js = '';
        $title = 'billingcountry';
        $id = 'billingcountry';
    }
    if (empty($supplied_form_id)) {
        $supplied_form_id = $id;
    }
    // if there is only one country to choose from we are going to set that as the shipping country,
    // later in the UI generation the same thing will happen to make the single country the current
    // selection
    $countries = WPSC_Countries::get_countries(false);
    if (count($countries) == 1) {
        reset($countries);
        $id_of_only_country_available = key($countries);
        $wpsc_country = new WPSC_Country($id_of_only_country_available);
        wpsc_update_customer_meta($id, $wpsc_country->get_isocode());
    }
    $additional_attributes = 'data-wpsc-meta-key="' . $title . '" title="' . $title . '" ' . $js;
    $output .= "<div id='{$html_form_id}'>\n\r";
    $output .= wpsc_get_country_dropdown(array('id' => $supplied_form_id, 'name' => "collected_data[{$form_id}][0]", 'class' => 'current_country wpsc-visitor-meta', 'selected' => $selected_country, 'additional_attributes' => $additional_attributes, 'placeholder' => __('Please select a country', 'wp-e-commerce')));
    $output .= "</div>\n\r";
    return $output;
}

function wpsc_shipping_country_list($shippingdetails = false)
{
    global $wpsc_shipping_modules;
    $wpsc_checkout = new wpsc_checkout();
    $wpsc_checkout->checkout_item = $shipping_country_checkout_item = $wpsc_checkout->get_checkout_item('shippingcountry');
    $output = '';
    if ($shipping_country_checkout_item && $shipping_country_checkout_item->active) {
        if (!$shippingdetails) {
            $output = "<input type='hidden' name='wpsc_ajax_action' value='update_location' />";
        }
        $acceptable_countries = wpsc_get_acceptable_countries();
        // if there is only one country to choose from we are going to set that as the shipping country,
        // later in the UI generation the same thing will happen to make the single country the current
        // selection
        $countries = WPSC_Countries::get_countries(false);
        if (count($countries) == 1) {
            reset($countries);
            $id_of_only_country_available = key($countries);
            $wpsc_country = new WPSC_Country($id_of_only_country_available);
            wpsc_update_customer_meta('shippingcountry', $wpsc_country->get_isocode());
        }
        $selected_country = wpsc_get_customer_meta('shippingcountry');
        $additional_attributes = 'data-wpsc-meta-key="shippingcountry" ';
        $output .= wpsc_get_country_dropdown(array('id' => 'current_country', 'name' => 'country', 'class' => 'current_country wpsc-visitor-meta', 'acceptable_ids' => $acceptable_countries, 'selected' => $selected_country, 'additional_attributes' => $additional_attributes, 'placeholder' => __('Please select a country', 'wp-e-commerce')));
    }
    $output .= wpsc_checkout_shipping_state_and_region();
    $zipvalue = (string) wpsc_get_customer_meta('shippingpostcode');
    $zip_code_text = __('Your Zipcode', 'wp-e-commerce');
    if ($zipvalue != '' && $zipvalue != $zip_code_text) {
        $color = '#000';
        wpsc_update_customer_meta('shipping_zip', $zipvalue);
    } else {
        $zipvalue = $zip_code_text;
        $color = '#999';
    }
    $uses_zipcode = false;
    $custom_shipping = get_option('custom_shipping_options');
    foreach ((array) $custom_shipping as $shipping) {
        if (isset($wpsc_shipping_modules[$shipping]->needs_zipcode) && $wpsc_shipping_modules[$shipping]->needs_zipcode == true) {
            $uses_zipcode = true;
        }
    }
    if ($uses_zipcode) {
        $output .= " <input data-wpsc-meta-key='shippingpostcode' class='wpsc-visitor-meta' type='text' style='color:" . $color . ";' onclick='if (this.value==\"" . esc_js($zip_code_text) . "\") {this.value=\"\";this.style.color=\"#000\";}' onblur='if (this.value==\"\") {this.style.color=\"#999\"; this.value=\"" . esc_js($zip_code_text) . "\"; }' value='" . esc_attr($zipvalue) . "' size='10' name='zipcode' id='zipcode'>";
    }
    return $output;
}

 public static function get_cache($value = null, $col = 'id')
 {
     $function = __CLASS__ . '::' . __FUNCTION__ . '()';
     $replacement = 'WPSC_Countries::get_country()';
     _wpsc_deprecated_function($function, '3.8.14', $replacement);
     if (defined('WPSC_LOAD_DEPRECATED') && WPSC_LOAD_DEPRECATED) {
         if (is_null($value) && $col == 'id') {
             $value = get_option('currency_type');
         }
         // note that we can't store cache by currency code, the code is used by various countries
         // TODO: remove duplicate entry for Germany (Deutschland)
         if (!in_array($col, array('id', 'isocode'))) {
             return false;
         }
         return WPSC_Countries::get_country($value, WPSC_Countries::RETURN_AN_ARRAY);
     }
 }

function wpsc_donations($args = null)
{
    global $wpdb;
    // Args not used yet but this is ready for when it is
    $args = wp_parse_args((array) $args, array());
    $products = $wpdb->get_results("SELECT DISTINCT `p` . * , `m`.`meta_value` AS `special_price`\n\t\tFROM `" . $wpdb->postmeta . "` AS `m`\n\t\tJOIN `" . $wpdb->posts . "` AS `p` ON `m`.`post_id` = `p`.`ID`\n\t\tWHERE `p`.`post_parent` IN ('0')\n\t\t\tAND `m`.`meta_key` IN ('_wpsc_is_donation')\n\t\t\tAND `m`.`meta_value` IN( '1' )\n\t\tORDER BY RAND( )\n\t\tLIMIT 1", ARRAY_A);
    $output = '';
    if ($products != null) {
        foreach ($products as $product) {
            $attached_images = (array) get_posts(array('post_type' => 'attachment', 'numberposts' => 1, 'post_status' => null, 'post_parent' => $product['ID'], 'orderby' => 'menu_order', 'order' => 'ASC'));
            $attached_image = $attached_images[0];
            $output .= "<div class='wpsc_product_donation'>";
            if ($attached_image->ID > 0) {
                $output .= "<img src='" . wpsc_product_image($attached_image->ID, get_option('product_image_width'), get_option('product_image_height')) . "' title='" . $product['post_title'] . "' alt='" . esc_attr($product['post_title']) . "' /><br />";
            }
            // Get currency options
            $currency_sign_location = get_option('currency_sign_location');
            $currency_type = get_option('currency_type');
            WPSC_Countries::get_currency_symbol($currency_type);
            $price = get_post_meta($product['ID'], '_wpsc_price', true);
            // Output
            $output .= "<strong>" . $product['post_title'] . "</strong><br />";
            $output .= $product['post_content'] . "<br />";
            $output .= "<form class='product_form'  name='donation_widget_" . $product['ID'] . "' method='post' action='' id='donation_widget_" . $product['ID'] . "'>";
            $output .= "<input type='hidden' name='product_id' value='" . $product['ID'] . "'/>";
            $output .= "<input type='hidden' name='item' value='" . $product['ID'] . "' />";
            $output .= "<input type='hidden' name='wpsc_ajax_action' value='add_to_cart' />";
            $output .= "<label for='donation_widget_price_" . $product['ID'] . "'>" . __('Donation', 'wp-e-commerce') . ":</label> {$currency_symbol}<input type='text' id='donation_widget_price_" . $product['ID'] . "' name='donation_price' value='" . esc_attr(number_format($price, 2)) . "' size='6' /><br />";
            $output .= "<input type='submit' id='donation_widget_" . $product['ID'] . "_submit_button' name='Buy' class='wpsc_buy_button' value='" . __('Add To Cart', 'wp-e-commerce') . "' />";
            $output .= "</form>";
            $output .= "</div>";
        }
    } else {
        $output = '';
    }
    echo $output;
}

 public function set_customer_details()
 {
     $_POST['wpsc_checkout_details'] = array();
     $_GET['amazon_reference_id'] = sanitize_text_field($_POST['amazon_reference_id']);
     try {
         if (!$this->reference_id) {
             throw new Exception(__('An Amazon payment method was not chosen.', 'wpsc'));
         }
         if (is_null($this->purchase_log)) {
             $log = _wpsc_get_current_controller()->get_purchase_log();
             wpsc_update_customer_meta('current_purchase_log_id', $log->get('id'));
             $this->set_purchase_log($log);
         }
         global $wpsc_cart;
         // Update order reference with amounts
         $response = $this->api_request(array('Action' => 'SetOrderReferenceDetails', 'AmazonOrderReferenceId' => $this->reference_id, 'OrderReferenceAttributes.OrderTotal.Amount' => $wpsc_cart->calculate_total_price(), 'OrderReferenceAttributes.OrderTotal.CurrencyCode' => strtoupper($this->get_currency_code()), 'OrderReferenceAttributes.SellerNote' => sprintf(__('Order %s from %s.', 'wpsc'), $this->purchase_log->get('id'), urlencode(remove_accents(wp_specialchars_decode(get_bloginfo('name'), ENT_QUOTES)))), 'OrderReferenceAttributes.SellerOrderAttributes.SellerOrderId' => $this->purchase_log->get('id'), 'OrderReferenceAttributes.SellerOrderAttributes.StoreName' => remove_accents(wp_specialchars_decode(get_bloginfo('name'), ENT_QUOTES)), 'OrderReferenceAttributes.PlatformId' => 'A2Z8DY3R4G08IM'));
         if (is_wp_error($response)) {
             throw new Exception($response->get_error_message());
         }
         if (isset($response['Error']['Message'])) {
             throw new Exception($response['Error']['Message']);
         }
         $response = $this->api_request(array('Action' => 'GetOrderReferenceDetails', 'AmazonOrderReferenceId' => $this->reference_id));
         if (is_wp_error($response)) {
             throw new Exception($response->get_error_message());
         }
         if (!isset($response['GetOrderReferenceDetailsResult']['OrderReferenceDetails']['Destination']['PhysicalDestination'])) {
             return;
         }
         $address = $response['GetOrderReferenceDetailsResult']['OrderReferenceDetails']['Destination']['PhysicalDestination'];
         remove_action('wpsc_checkout_get_fields', '__return_empty_array');
         add_filter('wpsc_validate_form', '__return_true');
         $form = WPSC_Checkout_Form::get();
         $fields = $form->get_fields();
         foreach ($fields as $field) {
             switch ($field->unique_name) {
                 case 'shippingstate':
                     $_POST['wpsc_checkout_details'][$field->id] = WPSC_Countries::get_region_id($address['CountryCode'], $address['StateOrRegion']);
                     break;
                 case 'shippingcountry':
                     $_POST['wpsc_checkout_details'][$field->id] = $address['CountryCode'];
                     break;
                 case 'shippingpostcode':
                     $_POST['wpsc_checkout_details'][$field->id] = $address['PostalCode'];
                     break;
                 case 'shippingcity':
                     $_POST['wpsc_checkout_details'][$field->id] = $address['City'];
                     break;
             }
         }
     } catch (Exception $e) {
         WPSC_Message_Collection::get_instance()->add($e->getMessage(), 'error', 'main', 'flash');
         return;
     }
 }

/**
 * wpsc_change_tax function, used through ajax and in normal page loading.
 * No parameters, returns nothing
 */
function wpsc_change_tax()
{
    global $wpdb, $wpsc_cart;
    $form_id = absint($_POST['form_id']);
    $wpsc_selected_country = $wpsc_cart->selected_country;
    $wpsc_selected_region = $wpsc_cart->selected_region;
    $wpsc_delivery_country = $wpsc_cart->delivery_country;
    $wpsc_delivery_region = $wpsc_cart->delivery_region;
    $previous_country = wpsc_get_customer_meta('billingcountry');
    global $wpdb, $user_ID, $wpsc_customer_checkout_details;
    if (isset($_POST['billing_country'])) {
        $wpsc_selected_country = $_POST['billing_country'];
        wpsc_update_customer_meta('billingcountry', $wpsc_selected_country);
    }
    if (isset($_POST['billing_region'])) {
        $wpsc_selected_region = absint($_POST['billing_region']);
        wpsc_update_customer_meta('billingregion', $wpsc_selected_region);
    }
    $check_country_code = WPSC_Countries::country_id(wpsc_get_customer_meta('billing_region'));
    if (wpsc_get_customer_meta('billingcountry') != $check_country_code) {
        $wpsc_selected_region = null;
    }
    if (isset($_POST['shipping_country'])) {
        $wpsc_delivery_country = $_POST['shipping_country'];
        wpsc_update_customer_meta('shippingcountry', $wpsc_delivery_country);
    }
    if (isset($_POST['shipping_region'])) {
        $wpsc_delivery_region = absint($_POST['shipping_region']);
        wpsc_update_customer_meta('shippingregion', $wpsc_delivery_region);
    }
    $check_country_code = WPSC_Countries::country_id($wpsc_delivery_region);
    if ($wpsc_delivery_country != $check_country_code) {
        $wpsc_delivery_region = null;
    }
    $wpsc_cart->update_location();
    $wpsc_cart->get_shipping_method();
    $wpsc_cart->get_shipping_option();
    if ($wpsc_cart->selected_shipping_method != '') {
        $wpsc_cart->update_shipping($wpsc_cart->selected_shipping_method, $wpsc_cart->selected_shipping_option);
    }
    $tax = $wpsc_cart->calculate_total_tax();
    $total = wpsc_cart_total();
    $total_input = wpsc_cart_total(false);
    if ($wpsc_cart->coupons_amount >= $total_input && !empty($wpsc_cart->coupons_amount)) {
        $total = 0;
    }
    if ($wpsc_cart->total_price < 0) {
        $wpsc_cart->coupons_amount += $wpsc_cart->total_price;
        $wpsc_cart->total_price = null;
        $wpsc_cart->calculate_total_price();
    }
    $delivery_country = wpsc_get_customer_meta('shipping_country');
    $output = _wpsc_ajax_get_cart(false);
    $output = $output['widget_output'];
    $json_response = array();
    global $wpsc_checkout;
    if (empty($wpsc_checkout)) {
        $wpsc_checkout = new wpsc_checkout();
    }
    $json_response['delivery_country'] = esc_js($delivery_country);
    $json_response['billing_country'] = esc_js($wpsc_selected_country);
    $json_response['widget_output'] = $output;
    $json_response['shipping_keys'] = array();
    $json_response['cart_shipping'] = wpsc_cart_shipping();
    $json_response['form_id'] = $form_id;
    $json_response['tax'] = $tax;
    $json_response['display_tax'] = wpsc_cart_tax();
    $json_response['total'] = $total;
    $json_response['total_input'] = $total_input;
    $json_response['lock_tax'] = get_option('lock_tax');
    $json_response['country_name'] = wpsc_get_country($delivery_country);
    if ('US' == $delivery_country || 'CA' == $delivery_country) {
        $output = wpsc_shipping_region_list($delivery_country, wpsc_get_customer_meta('shipping_region'));
        $output = str_replace(array("\n", "\r"), '', $output);
        $json_response['shipping_region_list'] = $output;
    }
    foreach ($wpsc_cart->cart_items as $key => $cart_item) {
        $json_response['shipping_keys'][$key] = wpsc_currency_display($cart_item->shipping);
    }
    $form_selected_country = null;
    $form_selected_region = null;
    $onchange_function = null;
    if (!empty($_POST['billing_country']) && $_POST['billing_country'] != 'undefined' && !isset($_POST['shipping_country'])) {
        $form_selected_country = $wpsc_selected_country;
        $form_selected_region = $wpsc_selected_region;
        $onchange_function = 'set_billing_country';
    } else {
        if (!empty($_POST['shipping_country']) && $_POST['shipping_country'] != 'undefined' && !isset($_POST['billing_country'])) {
            $form_selected_country = $wpsc_delivery_country;
            $form_selected_region = $wpsc_delivery_region;
            $onchange_function = 'set_shipping_country';
        }
    }
    if ($form_selected_country != null && $onchange_function != null) {
        $checkoutfields = 'set_shipping_country' == $onchange_function;
        $region_list = wpsc_country_region_list($form_id, false, $form_selected_country, $form_selected_region, $form_id, $checkoutfields);
//.........这里部分代码省略.........

 /**
  * @description: wpec_taxes_get_region_code_by_id - given an id this funciton will
  * return the region code.
  * @param: id - a region id
  * @return: int or false
  * */
 function wpec_taxes_get_region_code_by_id($region)
 {
     $region_code = false;
     if (!empty($region)) {
         $country_id = WPSC_Countries::get_country_id_by_region_id($region);
         if ($country_id) {
             $wpsc_country = new WPSC_Country($country_id);
         }
         if (isset($wpsc_country)) {
             $wpsc_region = $wpsc_country->get_region($region);
             if ($wpsc_region) {
                 $region_code = $wpsc_region->get_code();
             }
         }
     }
     return $region_code;
 }

//.........这里部分代码省略.........
</span>
		</td>
	</tr>
	<tr class="form-field">
		<th scope="row" valign="top">
			<label for="image"><?php 
    esc_html_e('Display Category Template Tag', 'wpsc');
    ?>
</label>
		</th>
		<td>
			<code>&lt;?php echo wpsc_display_products_page( array( 'category_url_name' => '<?php 
    echo $category["slug"];
    ?>
' ) ); ?&gt;</code><br />
			<span class="description"><?php 
    esc_html_e('Template tags are used to display a particular category or group within your theme / template.', 'wpsc');
    ?>
</span>
		</td>
	</tr>

	<!-- START OF TARGET MARKET SELECTION -->

	<tr>
		<td colspan="2">
			<h4><?php 
    esc_html_e('Target Market Restrictions', 'wpsc');
    ?>
</h4>
		</td>
	</tr>
	<?php 
    $countrylist = WPSC_Countries::get_countries_array(true, true);
    $selectedCountries = wpsc_get_meta($category_id, 'target_market', 'wpsc_category');
    ?>
	<tr>
		<th scope="row" valign="top">
			<label for="image"><?php 
    esc_html_e('Target Markets', 'wpsc');
    ?>
</label>
		</th>
		<td>
			<?php 
    if (wpsc_is_suhosin_enabled()) {
        ?>
				<em><?php 
        esc_html_e('The Target Markets feature has been disabled because you have the Suhosin PHP extension installed on this server. If you need to use the Target Markets feature, then disable the suhosin extension. If you can not do this, you will need to contact your hosting provider.', 'wpsc');
        ?>
</em>
			<?php 
    } else {
        ?>
				<span><?php 
        esc_html_e('Select', 'wpsc');
        ?>
: <a href='' class='wpsc_select_all'><?php 
        esc_html_e('All', 'wpsc');
        ?>
</a>&nbsp; <a href='' class='wpsc_select_none'><?php 
        esc_html_e('None', 'wpsc');
        ?>
</a></span><br />
				<div id='resizeable' class='ui-widget-content multiple-select'>
					<?php 

    public function display()
    {
        global $wpdb;
        ?>
		<h3><?php 
        echo esc_html_e('General Settings', 'wpsc');
        ?>
</h3>
		<table class='wpsc_options form-table'>
			<tr>
				<th scope="row"><label for="wpsc-base-country-drop-down"><?php 
        esc_html_e('Base Country/Region', 'wpsc');
        ?>
</label></th>
				<td>
					<?php 
        wpsc_country_dropdown(array('id' => 'wpsc-base-country-drop-down', 'name' => 'wpsc_options[base_country]', 'selected' => get_option('base_country'), 'include_invisible' => true));
        ?>
					<span id='wpsc-base-region-drop-down'>
						<?php 
        $this->display_region_drop_down();
        ?>
						<img src="<?php 
        echo esc_url(wpsc_get_ajax_spinner());
        ?>
" class="ajax-feedback" title="" alt="" />
					</span>
					<p class='description'><?php 
        esc_html_e('Select your primary business location.', 'wpsc');
        ?>
</p>
				</td>
			</tr>

			<?php 
        /* START OF TARGET MARKET SELECTION */
        $countrylist = WPSC_Countries::get_countries_array(true, true);
        ?>
			<tr>
				<th scope="row">
					<?php 
        esc_html_e('Target Markets', 'wpsc');
        ?>
				</th>
				<td>
					<?php 
        // check for the suhosin module
        if (wpsc_is_suhosin_enabled()) {
            echo "<em>" . __("The Target Markets feature has been disabled because you have the Suhosin PHP extension installed on this server. If you need to use the Target Markets feature then disable the suhosin extension, if you can not do this, you will need to contact your hosting provider.", 'wpsc') . "</em>";
        } else {
            ?>
							<span>
								<?php 
            printf(__('Select: <a href="%1$s"  class="wpsc-select-all" title="All">All</a> <a href="%2$s" class="wpsc-select-none" title="None">None</a>', 'wpsc'), esc_url(add_query_arg(array('selected_all' => 'all'))), esc_url(add_query_arg(array('selected_all' => 'none'))));
            ?>
							</span><br />
							<div id='wpsc-target-markets' class='ui-widget-content multiple-select'>
								<?php 
            foreach ((array) $countrylist as $country) {
                ?>
									<?php 
                if ($country['visible'] == 1) {
                    ?>
										<input type='checkbox' id="countrylist2-<?php 
                    echo $country['id'];
                    ?>
" name='countrylist2[]' value='<?php 
                    echo $country['id'];
                    ?>
' checked='checked' />
										<label for="countrylist2-<?php 
                    echo $country['id'];
                    ?>
"><?php 
                    esc_html_e($country['country']);
                    ?>
</label><br />
									<?php 
                }