PHP WC_Tax::get_tax_classes方法代码示例

 /**
  * Set tax class.
  *
  * @param string $value
  * @throws WC_Data_Exception
  */
 public function set_tax_class($value)
 {
     if ($value && !in_array($value, WC_Tax::get_tax_classes())) {
         $this->error('order_item_fee_invalid_tax_class', __('Invalid tax class', 'woocommerce'));
     }
     $this->set_prop('tax_class', $value);
 }

 function ywev_get_tax_classes()
 {
     if (version_compare(WOOCOMMERCE_VERSION, '2.3', '<')) {
         return array_filter(array_map('trim', explode("\n", get_option('woocommerce_tax_classes'))));
     } else {
         return WC_Tax::get_tax_classes();
     }
 }

    /**
     * Output widget.
     *
     * @see WP_Widget
     *
     * @param array $args
     * @param array $instance
     */
    public function widget($args, $instance)
    {
        global $wp, $wp_the_query;
        if (!is_post_type_archive('product') && !is_tax(get_object_taxonomies('product'))) {
            return;
        }
        if (!$wp_the_query->post_count) {
            return;
        }
        $min_price = isset($_GET['min_price']) ? esc_attr($_GET['min_price']) : '';
        $max_price = isset($_GET['max_price']) ? esc_attr($_GET['max_price']) : '';
        wp_enqueue_script('wc-price-slider');
        // Find min and max price in current result set
        $prices = $this->get_filtered_price();
        $min = floor($prices->min_price);
        $max = ceil($prices->max_price);
        if ($min === $max) {
            return;
        }
        $this->widget_start($args, $instance);
        if ('' === get_option('permalink_structure')) {
            $form_action = remove_query_arg(array('page', 'paged'), add_query_arg($wp->query_string, '', home_url($wp->request)));
        } else {
            $form_action = preg_replace('%\\/page/[0-9]+%', '', home_url(trailingslashit($wp->request)));
        }
        /**
         * Adjust max if the store taxes are not displayed how they are stored.
         * Min is left alone because the product may not be taxable.
         * Kicks in when prices excluding tax are displayed including tax.
         */
        if (wc_tax_enabled() && 'incl' === get_option('woocommerce_tax_display_shop') && !wc_prices_include_tax()) {
            $tax_classes = array_merge(array(''), WC_Tax::get_tax_classes());
            $class_max = $max;
            foreach ($tax_classes as $tax_class) {
                if ($tax_rates = WC_Tax::get_rates($tax_class)) {
                    $class_max = $max + WC_Tax::get_tax_total(WC_Tax::calc_exclusive_tax($max, $tax_rates));
                }
            }
            $max = $class_max;
        }
        echo '<form method="get" action="' . esc_url($form_action) . '">
			<div class="price_slider_wrapper">
				<div class="price_slider" style="display:none;"></div>
				<div class="price_slider_amount">
					<input type="text" id="min_price" name="min_price" value="' . esc_attr($min_price) . '" data-min="' . esc_attr(apply_filters('woocommerce_price_filter_widget_min_amount', $min)) . '" placeholder="' . esc_attr__('Min price', 'woocommerce') . '" />
					<input type="text" id="max_price" name="max_price" value="' . esc_attr($max_price) . '" data-max="' . esc_attr(apply_filters('woocommerce_price_filter_widget_max_amount', $max)) . '" placeholder="' . esc_attr__('Max price', 'woocommerce') . '" />
					<button type="submit" class="button">' . __('Filter', 'woocommerce') . '</button>
					<div class="price_label" style="display:none;">
						' . __('Price:', 'woocommerce') . ' <span class="from"></span> &mdash; <span class="to"></span>
					</div>
					' . wc_query_string_form_fields(null, array('min_price', 'max_price'), '', true) . '
					<div class="clear"></div>
				</div>
			</div>
		</form>';
        $this->widget_end($args);
    }

 public function tax_classes()
 {
     $tax_classes = WC_Tax::get_tax_classes();
     $classes_options = array();
     if (!empty($tax_classes)) {
         foreach ($tax_classes as $class) {
             $classes_options[sanitize_title($class)] = esc_html($class);
         }
     }
     return $classes_options;
 }

 /**
  * Returns all tax classes, class => label
  * @return array
  */
 public static function tax_classes()
 {
     $classes = array('' => __('Standard', 'woocommerce'));
     // get_tax_classes method introduced in WC 2.3
     if (method_exists('WC_Tax', 'get_tax_classes')) {
         $labels = WC_Tax::get_tax_classes();
     } else {
         $labels = array_filter(array_map('trim', explode("\n", get_option('woocommerce_tax_classes'))));
     }
     foreach ($labels as $label) {
         $classes[sanitize_title($label)] = $label;
     }
     return $classes;
 }

 /**
  * Price Filter post filter.
  *
  * @param array $filtered_posts
  * @return array
  */
 public function price_filter($filtered_posts = array())
 {
     global $wpdb;
     if (isset($_GET['max_price']) || isset($_GET['min_price'])) {
         $matched_products = array();
         $min = isset($_GET['min_price']) ? floatval($_GET['min_price']) : 0;
         $max = isset($_GET['max_price']) ? floatval($_GET['max_price']) : 9999999999;
         // If displaying prices in the shop including taxes, but prices don't include taxes..
         if (wc_tax_enabled() && 'incl' === get_option('woocommerce_tax_display_shop') && !wc_prices_include_tax()) {
             $tax_classes = array_merge(array(''), WC_Tax::get_tax_classes());
             foreach ($tax_classes as $tax_class) {
                 $tax_rates = WC_Tax::get_rates($tax_class);
                 $min_class = $min - WC_Tax::get_tax_total(WC_Tax::calc_inclusive_tax($min, $tax_rates));
                 $max_class = $max - WC_Tax::get_tax_total(WC_Tax::calc_inclusive_tax($max, $tax_rates));
                 $matched_products_query = apply_filters('woocommerce_price_filter_results', $wpdb->get_results($wpdb->prepare("\n\t\t\t\t\t\tSELECT DISTINCT ID, post_parent, post_type FROM {$wpdb->posts}\n\t\t\t\t\t\tINNER JOIN {$wpdb->postmeta} pm1 ON ID = pm1.post_id\n\t\t\t\t\t\tINNER JOIN {$wpdb->postmeta} pm2 ON ID = pm2.post_id\n\t\t\t\t\t\tWHERE post_type IN ( 'product', 'product_variation' )\n\t\t\t\t\t\tAND post_status = 'publish'\n\t\t\t\t\t\tAND pm1.meta_key IN ('" . implode("','", array_map('esc_sql', apply_filters('woocommerce_price_filter_meta_keys', array('_price')))) . "')\n\t\t\t\t\t\tAND pm1.meta_value BETWEEN %f AND %f\n\t\t\t\t\t\tAND pm2.meta_key = '_tax_class'\n\t\t\t\t\t\tAND pm2.meta_value = %s\n\t\t\t\t\t", $min_class, $max_class, sanitize_title($tax_class)), OBJECT_K), $min_class, $max_class);
                 if ($matched_products_query) {
                     foreach ($matched_products_query as $product) {
                         if ($product->post_type == 'product') {
                             $matched_products[] = $product->ID;
                         }
                         if ($product->post_parent > 0) {
                             $matched_products[] = $product->post_parent;
                         }
                     }
                 }
             }
         } else {
             $matched_products_query = apply_filters('woocommerce_price_filter_results', $wpdb->get_results($wpdb->prepare("\n\t\t\t\t\tSELECT DISTINCT ID, post_parent, post_type FROM {$wpdb->posts}\n\t\t\t\t\tINNER JOIN {$wpdb->postmeta} pm1 ON ID = pm1.post_id\n\t\t\t\t\tWHERE post_type IN ( 'product', 'product_variation' )\n\t\t\t\t\tAND post_status = 'publish'\n\t\t\t\t\tAND pm1.meta_key IN ('" . implode("','", array_map('esc_sql', apply_filters('woocommerce_price_filter_meta_keys', array('_price')))) . "')\n\t\t\t\t\tAND pm1.meta_value BETWEEN %d AND %d\n\t\t\t\t", $min, $max), OBJECT_K), $min, $max);
             if ($matched_products_query) {
                 foreach ($matched_products_query as $product) {
                     if ($product->post_type == 'product') {
                         $matched_products[] = $product->ID;
                     }
                     if ($product->post_parent > 0) {
                         $matched_products[] = $product->post_parent;
                     }
                 }
             }
         }
         $matched_products = array_unique($matched_products);
         // Filter the id's
         if (0 === sizeof($filtered_posts)) {
             $filtered_posts = $matched_products;
         } else {
             $filtered_posts = array_intersect($filtered_posts, $matched_products);
         }
         $filtered_posts[] = 0;
     }
     return (array) $filtered_posts;
 }

 /**
  * Get the query params for collections of attachments.
  *
  * @return array
  */
 public function get_collection_params()
 {
     $params = parent::get_collection_params();
     $params['slug'] = array('description' => __('Limit result set to products with a specific slug.', 'woocommerce'), 'type' => 'string', 'validate_callback' => 'rest_validate_request_arg');
     $params['status'] = array('default' => 'any', 'description' => __('Limit result set to products assigned a specific status.', 'woocommerce'), 'type' => 'string', 'enum' => array_merge(array('any'), array_keys(get_post_statuses())), 'sanitize_callback' => 'sanitize_key', 'validate_callback' => 'rest_validate_request_arg');
     $params['type'] = array('description' => __('Limit result set to products assigned a specific type.', 'woocommerce'), 'type' => 'string', 'enum' => array_keys(wc_get_product_types()), 'sanitize_callback' => 'sanitize_key', 'validate_callback' => 'rest_validate_request_arg');
     $params['sku'] = array('description' => __('Limit result set to products with a specific SKU.', 'woocommerce'), 'type' => 'string', 'sanitize_callback' => 'sanitize_text_field', 'validate_callback' => 'rest_validate_request_arg');
     $params['featured'] = array('description' => __('Limit result set to featured products.', 'woocommerce'), 'type' => 'boolean', 'sanitize_callback' => 'wc_string_to_bool', 'validate_callback' => 'rest_validate_request_arg');
     $params['category'] = array('description' => __('Limit result set to products assigned a specific category ID.', 'woocommerce'), 'type' => 'string', 'sanitize_callback' => 'wp_parse_id_list', 'validate_callback' => 'rest_validate_request_arg');
     $params['tag'] = array('description' => __('Limit result set to products assigned a specific tag ID.', 'woocommerce'), 'type' => 'string', 'sanitize_callback' => 'wp_parse_id_list', 'validate_callback' => 'rest_validate_request_arg');
     $params['shipping_class'] = array('description' => __('Limit result set to products assigned a specific shipping class ID.', 'woocommerce'), 'type' => 'string', 'sanitize_callback' => 'wp_parse_id_list', 'validate_callback' => 'rest_validate_request_arg');
     $params['attribute'] = array('description' => __('Limit result set to products with a specific attribute.', 'woocommerce'), 'type' => 'string', 'sanitize_callback' => 'sanitize_text_field', 'validate_callback' => 'rest_validate_request_arg');
     $params['attribute_term'] = array('description' => __('Limit result set to products with a specific attribute term ID (required an assigned attribute).', 'woocommerce'), 'type' => 'string', 'sanitize_callback' => 'wp_parse_id_list', 'validate_callback' => 'rest_validate_request_arg');
     if (wc_tax_enabled()) {
         $params['tax_class'] = array('description' => __('Limit result set to products with a specific tax class.', 'woocommerce'), 'type' => 'string', 'enum' => array_map('sanitize_title', array_merge(array('standard'), WC_Tax::get_tax_classes())), 'sanitize_callback' => 'sanitize_text_field', 'validate_callback' => 'rest_validate_request_arg');
     }
     $params['in_stock'] = array('description' => __('Limit result set to products in stock or out of stock.', 'woocommerce'), 'type' => 'boolean', 'sanitize_callback' => 'wc_string_to_bool', 'validate_callback' => 'rest_validate_request_arg');
     $params['on_sale'] = array('description' => __('Limit result set to products on sale.', 'woocommerce'), 'type' => 'boolean', 'sanitize_callback' => 'wc_string_to_bool', 'validate_callback' => 'rest_validate_request_arg');
     $params['min_price'] = array('description' => __('Limit result set to products based on a minimum price.', 'woocommerce'), 'type' => 'string', 'sanitize_callback' => 'sanitize_text_field', 'validate_callback' => 'rest_validate_request_arg');
     $params['max_price'] = array('description' => __('Limit result set to products based on a maximum price.', 'woocommerce'), 'type' => 'string', 'sanitize_callback' => 'sanitize_text_field', 'validate_callback' => 'rest_validate_request_arg');
     return $params;
 }

/**
 * Get product tax class options.
 *
 * @since 2.7.0
 * @return array
 */
function wc_get_product_tax_class_options()
{
    $tax_classes = WC_Tax::get_tax_classes();
    $tax_class_options = array();
    $tax_class_options[''] = __('Standard', 'woocommerce');
    if (!empty($tax_classes)) {
        foreach ($tax_classes as $class) {
            $tax_class_options[sanitize_title($class)] = $class;
        }
    }
    return $tax_class_options;
}

 /**
  * add_fees_settings.
  *
  * @version 2.3.0
  */
 function add_fees_settings($settings)
 {
     // Gateway's Extra Fees
     $settings[] = array('title' => __('Payment Gateways Fees and Discounts Options', 'woocommerce-jetpack'), 'type' => 'title', 'desc' => __('This section lets you set extra fees for payment gateways.', 'woocommerce-jetpack'), 'id' => 'wcj_payment_gateways_fees_options');
     //$available_gateways = WC()->payment_gateways->payment_gateways();
     global $woocommerce;
     $available_gateways = $woocommerce->payment_gateways->payment_gateways();
     //$available_gateways = WC()->payment_gateways();
     foreach ($available_gateways as $key => $gateway) {
         /*echo '<h5>' . $gateway->title . '</h5>';
         		if ( $gateway->is_available() )
         			echo '<strong style="color: green;">' . __( 'Available', 'woocommerce-jetpack' ) . '</strong>';
         		else
         			echo '<strong style="color: red;">' . __( 'Not available', 'woocommerce-jetpack' ) . '</strong>';*/
         $settings = array_merge($settings, array(array('title' => $gateway->title, 'desc' => __('Fee (or discount) title to show to customer.', 'woocommerce-jetpack'), 'desc_tip' => __('Leave blank to disable.', 'woocommerce-jetpack'), 'id' => 'wcj_gateways_fees_text_' . $key, 'default' => '', 'type' => 'text'), array('title' => '', 'desc' => __('Fee (or discount) type.', 'woocommerce-jetpack'), 'desc_tip' => __('Percent or fixed value.', 'woocommerce-jetpack'), 'id' => 'wcj_gateways_fees_type_' . $key, 'default' => 'fixed', 'type' => 'select', 'options' => array('fixed' => __('Fixed', 'woocommerce-jetpack'), 'percent' => __('Percent', 'woocommerce-jetpack'))), array('title' => '', 'desc' => __('Fee (or discount) value.', 'woocommerce-jetpack'), 'desc_tip' => __('The value. For discount enter a negative number.', 'woocommerce-jetpack'), 'id' => 'wcj_gateways_fees_value_' . $key, 'default' => 0, 'type' => 'number', 'custom_attributes' => array('step' => '0.01')), array('title' => '', 'desc' => __('Minimum cart amount for adding the fee (or discount).', 'woocommerce-jetpack'), 'desc_tip' => __('Set 0 to disable.', 'woocommerce-jetpack'), 'id' => 'wcj_gateways_fees_min_cart_amount_' . $key, 'default' => 0, 'type' => 'number', 'custom_attributes' => array('step' => '0.01', 'min' => '0')), array('title' => '', 'desc' => __('Maximum cart amount for adding the fee (or discount).', 'woocommerce-jetpack'), 'desc_tip' => __('Set 0 to disable.', 'woocommerce-jetpack'), 'id' => 'wcj_gateways_fees_max_cart_amount_' . $key, 'default' => 0, 'type' => 'number', 'custom_attributes' => array('step' => '0.01', 'min' => '0')), array('title' => '', 'desc' => __('Round the fee (or discount) value before adding to the cart.', 'woocommerce-jetpack'), 'id' => 'wcj_gateways_fees_round_' . $key, 'default' => 'no', 'type' => 'checkbox'), array('title' => '', 'desc' => __('If rounding is enabled, set precision here.', 'woocommerce-jetpack'), 'id' => 'wcj_gateways_fees_round_precision_' . $key, 'default' => 0, 'type' => 'number', 'custom_attributes' => array('step' => '1', 'min' => '0')), array('title' => '', 'desc' => __('Is taxable?', 'woocommerce-jetpack'), 'id' => 'wcj_gateways_fees_is_taxable_' . $key, 'default' => 'no', 'type' => 'checkbox'), array('title' => '', 'desc' => __('Tax Class (only if Taxable selected).', 'woocommerce-jetpack'), 'id' => 'wcj_gateways_fees_tax_class_id_' . $key, 'default' => '', 'type' => 'select', 'options' => array_merge(array(__('Standard Rate', 'woocommerce-jetpack')), WC_Tax::get_tax_classes()))));
     }
     $settings[] = array('type' => 'sectionend', 'id' => 'wcj_payment_gateways_fees_options');
     return $settings;
 }

    /**
     * Show options for the variable product type
     */
    public static function output_variations()
    {
        global $post;
        $attributes = maybe_unserialize(get_post_meta($post->ID, '_product_attributes', true));
        // See if any are set
        $variation_attribute_found = false;
        if ($attributes) {
            foreach ($attributes as $attribute) {
                if (isset($attribute['is_variation'])) {
                    $variation_attribute_found = true;
                    break;
                }
            }
        }
        // Get tax classes
        $tax_classes = WC_Tax::get_tax_classes();
        $tax_class_options = array();
        $tax_class_options[''] = __('Standard', 'woocommerce');
        if ($tax_classes) {
            foreach ($tax_classes as $class) {
                $tax_class_options[sanitize_title($class)] = esc_attr($class);
            }
        }
        $backorder_options = array('no' => __('Do not allow', 'woocommerce'), 'notify' => __('Allow, but notify customer', 'woocommerce'), 'yes' => __('Allow', 'woocommerce'));
        $stock_status_options = array('instock' => __('In stock', 'woocommerce'), 'outofstock' => __('Out of stock', 'woocommerce'));
        ?>
		<div id="variable_product_options" class="panel wc-metaboxes-wrapper"><div id="variable_product_options_inner">

			<?php 
        if (!$variation_attribute_found) {
            ?>

				<div id="message" class="inline woocommerce-message">
					<p><?php 
            _e('Before adding variations, add and save some attributes on the <strong>Attributes</strong> tab.', 'woocommerce');
            ?>
</p>

					<p class="submit"><a class="button-primary" href="<?php 
            echo esc_url(apply_filters('woocommerce_docs_url', 'http://docs.woothemes.com/document/variable-product/', 'product-variations'));
            ?>
" target="_blank"><?php 
            _e('Learn more', 'woocommerce');
            ?>
</a></p>
				</div>

			<?php 
        } else {
            ?>

				<p class="toolbar">
					<a href="#" class="close_all"><?php 
            _e('Close all', 'woocommerce');
            ?>
</a><a href="#" class="expand_all"><?php 
            _e('Expand all', 'woocommerce');
            ?>
</a>
					<select id="field_to_edit">
						<option value=""><?php 
            _e('Choose a field to bulk edit&hellip;', 'woocommerce');
            ?>
</option>
						<optgroup label="<?php 
            esc_attr_e('Status', 'woocommerce');
            ?>
">
							<option value="toggle_enabled"><?php 
            _e('Toggle &quot;Enabled&quot;', 'woocommerce');
            ?>
</option>
							<option value="toggle_downloadable"><?php 
            _e('Toggle &quot;Downloadable&quot;', 'woocommerce');
            ?>
</option>
							<option value="toggle_virtual"><?php 
            _e('Toggle &quot;Virtual&quot;', 'woocommerce');
            ?>
</option>
							<option value="delete_all"><?php 
            _e('Delete all variations', 'woocommerce');
            ?>
</option>
						</optgroup>
						<optgroup label="<?php 
            esc_attr_e('Pricing', 'woocommerce');
            ?>
">
							<option value="variable_regular_price"><?php 
            _e('Prices', 'woocommerce');
            ?>
</option>
							<option value="variable_regular_price_increase"><?php 
            _e('Prices increase by (fixed amount or %)', 'woocommerce');
            ?>
</option>
//.........这里部分代码省略.........

 /**
  * Get tax class being edited
  * @return string
  */
 private function get_current_tax_class()
 {
     global $current_section;
     $tax_classes = WC_Tax::get_tax_classes();
     $current_class = '';
     foreach ($tax_classes as $class) {
         if (sanitize_title($class) == $current_section) {
             $current_class = $class;
         }
     }
     return $current_class;
 }

 /**
  * Test getting the tax classes.
  */
 public function test_get_tax_classes()
 {
     $tax_classes = WC_Tax::get_tax_classes();
     $this->assertEquals($tax_classes, array('Reduced rate', 'Zero rate'));
 }

 /**
  * Set tax class.
  * @param string $value
  * @throws WC_Data_Exception
  */
 public function set_tax_class($value)
 {
     if ($value && !in_array($value, WC_Tax::get_tax_classes())) {
         $this->error('order_item_product_invalid_tax_class', __('Invalid tax class', 'woocommerce'));
     }
     $this->_data['tax_class'] = $value;
 }

 /**
  * Return a meta query for filtering by price.
  * @return array
  */
 private function price_filter_meta_query()
 {
     if (isset($_GET['max_price']) || isset($_GET['min_price'])) {
         $min = isset($_GET['min_price']) ? floatval($_GET['min_price']) : 0;
         $max = isset($_GET['max_price']) ? floatval($_GET['max_price']) : 9999999999.0;
         // If displaying prices in the shop including taxes, but prices don't include taxes..
         if (wc_tax_enabled() && 'incl' === get_option('woocommerce_tax_display_shop') && !wc_prices_include_tax()) {
             $tax_classes = array_merge(array(''), WC_Tax::get_tax_classes());
             foreach ($tax_classes as $tax_class) {
                 $tax_rates = WC_Tax::get_rates($tax_class);
                 $class_min = $min - WC_Tax::get_tax_total(WC_Tax::calc_inclusive_tax($min, $tax_rates));
                 $class_max = $max - WC_Tax::get_tax_total(WC_Tax::calc_inclusive_tax($max, $tax_rates));
                 if ($class_min < $min) {
                     $min = $class_min;
                 }
                 if ($class_max > $max) {
                     $max = $class_max;
                 }
             }
         }
         return array('key' => '_price', 'value' => array($min, $max), 'compare' => 'BETWEEN', 'type' => 'DECIMAL', 'price_filter' => true);
     }
     return array();
 }

 /**
  * Calculate taxes for all line items and shipping, and store the totals and tax rows.
  *
  * Will use the base country unless customer addresses are set.
  *
  * @return bool success or fail.
  */
 public function calculate_taxes()
 {
     $tax_total = 0;
     $shipping_tax_total = 0;
     $taxes = array();
     $shipping_taxes = array();
     $tax_based_on = get_option('woocommerce_tax_based_on');
     // If is_vat_exempt is 'yes', or wc_tax_enabled is false, return and do nothing.
     if ('yes' === $this->is_vat_exempt || !wc_tax_enabled()) {
         return false;
     }
     if ('billing' === $tax_based_on) {
         $country = $this->billing_country;
         $state = $this->billing_state;
         $postcode = $this->billing_postcode;
         $city = $this->billing_city;
     } elseif ('shipping' === $tax_based_on) {
         $country = $this->shipping_country;
         $state = $this->shipping_state;
         $postcode = $this->shipping_postcode;
         $city = $this->shipping_city;
     }
     // Default to base
     if ('base' === $tax_based_on || empty($country)) {
         $default = wc_get_base_location();
         $country = $default['country'];
         $state = $default['state'];
         $postcode = '';
         $city = '';
     }
     // Get items
     foreach ($this->get_items(array('line_item', 'fee')) as $item_id => $item) {
         $product = $this->get_product_from_item($item);
         $line_total = isset($item['line_total']) ? $item['line_total'] : 0;
         $line_subtotal = isset($item['line_subtotal']) ? $item['line_subtotal'] : 0;
         $tax_class = $item['tax_class'];
         $item_tax_status = $product ? $product->get_tax_status() : 'taxable';
         if ('0' !== $tax_class && 'taxable' === $item_tax_status) {
             $tax_rates = WC_Tax::find_rates(array('country' => $country, 'state' => $state, 'postcode' => $postcode, 'city' => $city, 'tax_class' => $tax_class));
             $line_subtotal_taxes = WC_Tax::calc_tax($line_subtotal, $tax_rates, false);
             $line_taxes = WC_Tax::calc_tax($line_total, $tax_rates, false);
             $line_subtotal_tax = max(0, array_sum($line_subtotal_taxes));
             $line_tax = max(0, array_sum($line_taxes));
             $tax_total += $line_tax;
             wc_update_order_item_meta($item_id, '_line_subtotal_tax', wc_format_decimal($line_subtotal_tax));
             wc_update_order_item_meta($item_id, '_line_tax', wc_format_decimal($line_tax));
             wc_update_order_item_meta($item_id, '_line_tax_data', array('total' => $line_taxes, 'subtotal' => $line_subtotal_taxes));
             // Sum the item taxes
             foreach (array_keys($taxes + $line_taxes) as $key) {
                 $taxes[$key] = (isset($line_taxes[$key]) ? $line_taxes[$key] : 0) + (isset($taxes[$key]) ? $taxes[$key] : 0);
             }
         }
     }
     // Calc taxes for shipping
     foreach ($this->get_shipping_methods() as $item_id => $item) {
         $shipping_tax_class = get_option('woocommerce_shipping_tax_class');
         // Inherit tax class from items
         if ('' === $shipping_tax_class) {
             $tax_classes = WC_Tax::get_tax_classes();
             foreach ($tax_classes as $tax_class) {
                 $tax_class = sanitize_title($tax_class);
                 if (in_array($tax_class, $found_tax_classes)) {
                     $tax_rates = WC_Tax::find_shipping_rates(array('country' => $country, 'state' => $state, 'postcode' => $postcode, 'city' => $city, 'tax_class' => $tax_class));
                     break;
                 }
             }
         } else {
             $tax_rates = WC_Tax::find_shipping_rates(array('country' => $country, 'state' => $state, 'postcode' => $postcode, 'city' => $city, 'tax_class' => 'standard' === $shipping_tax_class ? '' : $shipping_tax_class));
         }
         $line_taxes = WC_Tax::calc_tax($item['cost'], $tax_rates, false);
         $line_tax = max(0, array_sum($line_taxes));
         $shipping_tax_total += $line_tax;
         wc_update_order_item_meta($item_id, '_line_tax', wc_format_decimal($line_tax));
         wc_update_order_item_meta($item_id, '_line_tax_data', array('total' => $line_taxes));
         // Sum the item taxes
         foreach (array_keys($shipping_taxes + $line_taxes) as $key) {
             $shipping_taxes[$key] = (isset($line_taxes[$key]) ? $line_taxes[$key] : 0) + (isset($shipping_taxes[$key]) ? $shipping_taxes[$key] : 0);
         }
     }
     // Save tax totals
     $this->set_total($shipping_tax_total, 'shipping_tax');
     $this->set_total($tax_total, 'tax');
     // Tax rows
     $this->remove_order_items('tax');
     // Now merge to keep tax rows
     foreach (array_keys($taxes + $shipping_taxes) as $tax_rate_id) {
         $this->add_tax($tax_rate_id, isset($taxes[$tax_rate_id]) ? $taxes[$tax_rate_id] : 0, isset($shipping_taxes[$tax_rate_id]) ? $shipping_taxes[$tax_rate_id] : 0);
     }
     return true;
 }