/**
  * Return the order totals listing
  */
 public function get_woocommerce_totals()
 {
     // get totals and remove the semicolon
     $totals = apply_filters('wpo_wcpdf_raw_order_totals', $this->export->order->get_order_item_totals(), $this->export->order);
     // remove the colon for every label
     foreach ($totals as $key => $total) {
         $label = $total['label'];
         $colon = strrpos($label, ':');
         if ($colon !== false) {
             $label = substr_replace($label, '', $colon, 1);
         }
         $totals[$key]['label'] = $label;
     }
     // WC2.4 fix order_total for refunded orders
     if (version_compare(WOOCOMMERCE_VERSION, '2.4', '>=') && isset($totals['order_total'])) {
         $tax_display = $this->export->order->tax_display_cart;
         $totals['order_total']['value'] = wc_price($this->export->order->get_total(), array('currency' => $this->export->order->get_order_currency()));
         $order_total = $this->export->order->get_total();
         $tax_string = '';
         // Tax for inclusive prices
         if (wc_tax_enabled() && 'incl' == $tax_display) {
             $tax_string_array = array();
             if ('itemized' == get_option('woocommerce_tax_total_display')) {
                 foreach ($this->export->order->get_tax_totals() as $code => $tax) {
                     $tax_amount = $tax->formatted_amount;
                     $tax_string_array[] = sprintf('%s %s', $tax_amount, $tax->label);
                 }
             } else {
                 $tax_string_array[] = sprintf('%s %s', wc_price($this->export->order->get_total_tax() - $this->export->order->get_total_tax_refunded(), array('currency' => $this->export->order->get_order_currency())), WC()->countries->tax_or_vat());
             }
             if (!empty($tax_string_array)) {
                 $tax_string = ' ' . sprintf(__('(Includes %s)', 'woocommerce'), implode(', ', $tax_string_array));
             }
         }
         $totals['order_total']['value'] .= $tax_string;
     }
     return apply_filters('wpo_wcpdf_woocommerce_totals', $totals, $this->export->order);
 }

 /**
  * Gets order total - formatted for display.
  *
  * @return string
  */
 public function get_formatted_order_total($tax_display = '', $display_refunded = true)
 {
     $formatted_total = wc_price($this->get_total(), array('currency' => $this->get_order_currency()));
     $order_total = $this->get_total();
     $total_refunded = $this->get_total_refunded();
     $tax_string = '';
     // Tax for inclusive prices
     if (wc_tax_enabled() && 'incl' == $tax_display) {
         $tax_string_array = array();
         if ('itemized' == get_option('woocommerce_tax_total_display')) {
             foreach ($this->get_tax_totals() as $code => $tax) {
                 $tax_amount = $total_refunded && $display_refunded ? wc_price(WC_Tax::round($tax->amount - $this->get_total_tax_refunded_by_rate_id($tax->rate_id)), array('currency' => $this->get_order_currency())) : $tax->formatted_amount;
                 $tax_string_array[] = sprintf('%s %s', $tax_amount, $tax->label);
             }
         } else {
             $tax_amount = $total_refunded && $display_refunded ? $this->get_total_tax() - $this->get_total_tax_refunded() : $this->get_total_tax();
             $tax_string_array[] = sprintf('%s %s', wc_price($tax_amount, array('currency' => $this->get_order_currency())), WC()->countries->tax_or_vat());
         }
         if (!empty($tax_string_array)) {
             $tax_string = ' ' . sprintf(__('(Includes %s)', 'woocommerce'), implode(', ', $tax_string_array));
         }
     }
     if ($total_refunded && $display_refunded) {
         $formatted_total = '<del>' . strip_tags($formatted_total) . '</del> <ins>' . wc_price($order_total - $total_refunded, array('currency' => $this->get_order_currency())) . $tax_string . '</ins>';
     } else {
         $formatted_total .= $tax_string;
     }
     return apply_filters('woocommerce_get_formatted_order_total', $formatted_total, $this);
 }

 /**
  * Add this page to settings.
  */
 public function add_settings_page($pages)
 {
     if (wc_tax_enabled()) {
         return parent::add_settings_page($pages);
     } else {
         return $pages;
     }
 }

    /**
     * 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);
    }

 /**
  * Returns the definitions for the reports to show in admin.
  *
  * @return array
  */
 public static function get_reports()
 {
     $reports = array('orders' => array('title' => __('Orders', 'woocommerce'), 'reports' => array("sales_by_date" => array('title' => __('Sales by date', 'woocommerce'), 'description' => '', 'hide_title' => true, 'callback' => array(__CLASS__, 'get_report')), "sales_by_product" => array('title' => __('Sales by product', 'woocommerce'), 'description' => '', 'hide_title' => true, 'callback' => array(__CLASS__, 'get_report')), "sales_by_category" => array('title' => __('Sales by category', 'woocommerce'), 'description' => '', 'hide_title' => true, 'callback' => array(__CLASS__, 'get_report')), "coupon_usage" => array('title' => __('Coupons by date', 'woocommerce'), 'description' => '', 'hide_title' => true, 'callback' => array(__CLASS__, 'get_report')))), 'customers' => array('title' => __('Customers', 'woocommerce'), 'reports' => array("customers" => array('title' => __('Customers vs. Guests', 'woocommerce'), 'description' => '', 'hide_title' => true, 'callback' => array(__CLASS__, 'get_report')), "customer_list" => array('title' => __('Customer List', 'woocommerce'), 'description' => '', 'hide_title' => true, 'callback' => array(__CLASS__, 'get_report')))), 'stock' => array('title' => __('Stock', 'woocommerce'), 'reports' => array("low_in_stock" => array('title' => __('Low in stock', 'woocommerce'), 'description' => '', 'hide_title' => true, 'callback' => array(__CLASS__, 'get_report')), "out_of_stock" => array('title' => __('Out of stock', 'woocommerce'), 'description' => '', 'hide_title' => true, 'callback' => array(__CLASS__, 'get_report')), "most_stocked" => array('title' => __('Most Stocked', 'woocommerce'), 'description' => '', 'hide_title' => true, 'callback' => array(__CLASS__, 'get_report')))));
     if (wc_tax_enabled()) {
         $reports['taxes'] = array('title' => __('Taxes', 'woocommerce'), 'reports' => array("taxes_by_code" => array('title' => __('Taxes by code', 'woocommerce'), 'description' => '', 'hide_title' => true, 'callback' => array(__CLASS__, 'get_report')), "taxes_by_date" => array('title' => __('Taxes by date', 'woocommerce'), 'description' => '', 'hide_title' => true, 'callback' => array(__CLASS__, 'get_report'))));
     }
     $reports = apply_filters('woocommerce_admin_reports', $reports);
     $reports = apply_filters('woocommerce_reports_charts', $reports);
     // Backwards compat
     foreach ($reports as $key => $report_group) {
         if (isset($reports[$key]['charts'])) {
             $reports[$key]['reports'] = $reports[$key]['charts'];
         }
         foreach ($reports[$key]['reports'] as $report_key => $report) {
             if (isset($reports[$key]['reports'][$report_key]['function'])) {
                 $reports[$key]['reports'][$report_key]['callback'] = $reports[$key]['reports'][$report_key]['function'];
             }
         }
     }
     return $reports;
 }

			<tr class="fee">
				<th><?php 
    echo esc_html($fee->name);
    ?>
</th>
				<td><?php 
    wc_cart_totals_fee_html($fee);
    ?>
</td>
			</tr>
		<?php 
}
?>

		<?php 
if (wc_tax_enabled() && 'excl' === WC()->cart->tax_display_cart) {
    ?>
			<?php 
    if ('itemized' === get_option('woocommerce_tax_total_display')) {
        ?>
				<?php 
        foreach (WC()->cart->get_tax_totals() as $code => $tax) {
            ?>
					<tr class="tax-rate tax-rate-<?php 
            echo sanitize_title($code);
            ?>
">
						<th><?php 
            echo esc_html($tax->label);
            ?>
</th>

 /**
  * Whether or not we need to calculate tax on top of the shipping rate.
  * @return boolean
  */
 public function is_taxable()
 {
     return wc_tax_enabled() && 'taxable' === $this->tax_status && !WC()->customer->is_vat_exempt();
 }

 private function get_columns_count($taxes_count)
 {
     $columns_count = 4;
     if ($this->template_options['bewpi_show_sku']) {
         $columns_count++;
     }
     if ($this->template_options['bewpi_show_tax'] && wc_tax_enabled() && empty($legacy_order)) {
         $columns_count += $taxes_count;
     }
     return $columns_count;
 }

 /**
  * Are prices inclusive of tax?
  *
  * @return bool
  */
 function wc_prices_include_tax()
 {
     return wc_tax_enabled() && get_option('woocommerce_prices_include_tax') === 'yes';
 }

 /**
  * 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;
         /**
          * Adjust if the store taxes are not displayed how they are stored.
          * Max is left alone because the filter was already increased.
          * 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_min = $min;
             foreach ($tax_classes as $tax_class) {
                 if ($tax_rates = WC_Tax::get_rates($tax_class)) {
                     $class_min = $min - WC_Tax::get_tax_total(WC_Tax::calc_exclusive_tax($min, $tax_rates));
                 }
             }
             $min = $class_min;
         }
         return array('key' => '_price', 'value' => array($min, $max), 'compare' => 'BETWEEN', 'type' => 'DECIMAL', 'price_filter' => true);
     }
     return array();
 }

 /**
  * Returns whether or not the product is taxable.
  *
  * @return bool
  */
 public function is_taxable()
 {
     $taxable = $this->tax_status == 'taxable' && wc_tax_enabled() ? true : false;
     return apply_filters('woocommerce_product_is_taxable', $taxable, $this);
 }

	</tbody>
		<tfoot>
		<?php 
$has_refund = false;
if ($total_refunded = $subscription->get_total_refunded()) {
    $has_refund = true;
}
if ($totals = $subscription->get_order_item_totals()) {
    foreach ($totals as $key => $total) {
        $value = $total['value'];
        // Check for refund
        if ($has_refund && 'order_total' === $key) {
            $refunded_tax_del = '';
            $refunded_tax_ins = '';
            // Tax for inclusive prices
            if (wc_tax_enabled() && 'incl' == $subscription->tax_display_cart) {
                $tax_del_array = array();
                $tax_ins_array = array();
                if ('itemized' == get_option('woocommerce_tax_total_display')) {
                    foreach ($subscription->get_tax_totals() as $code => $tax) {
                        $tax_del_array[] = sprintf('%s %s', $tax->formatted_amount, $tax->label);
                        $tax_ins_array[] = sprintf('%s %s', wc_price($tax->amount - $subscription->get_total_tax_refunded_by_rate_id($tax->rate_id), array('currency' => $subscription->get_order_currency())), $tax->label);
                    }
                } else {
                    $tax_del_array[] = sprintf('%s %s', wc_price($subscription->get_total_tax(), array('currency' => $subscription->get_order_currency())), WC()->countries->tax_or_vat());
                    $tax_ins_array[] = sprintf('%s %s', wc_price($subscription->get_total_tax() - $subscription->get_total_tax_refunded(), array('currency' => $subscription->get_order_currency())), WC()->countries->tax_or_vat());
                }
                if (!empty($tax_del_array)) {
                    $refunded_tax_del .= ' ' . sprintf(_x('(Includes %s)', 'includes tax', 'woocommerce-subscriptions'), implode(', ', $tax_del_array));
                }
                if (!empty($tax_ins_array)) {

//.........这里部分代码省略.........
            foreach ($downloadable_files as $key => $file) {
                include 'views/html-product-download.php';
            }
        }
        ?>
							</tbody>
							<tfoot>
								<tr>
									<th colspan="5">
										<a href="#" class="button insert" data-row="<?php 
        $file = array('file' => '', 'name' => '');
        ob_start();
        include 'views/html-product-download.php';
        echo esc_attr(ob_get_clean());
        ?>
"><?php 
        _e('Add File', 'woocommerce');
        ?>
</a>
									</th>
								</tr>
							</tfoot>
						</table>
					</div>
					<?php 
        // Download Limit
        woocommerce_wp_text_input(array('id' => '_download_limit', 'label' => __('Download Limit', 'woocommerce'), 'placeholder' => __('Unlimited', 'woocommerce'), 'description' => __('Leave blank for unlimited re-downloads.', 'woocommerce'), 'type' => 'number', 'custom_attributes' => array('step' => '1', 'min' => '0')));
        // Expirey
        woocommerce_wp_text_input(array('id' => '_download_expiry', 'label' => __('Download Expiry', 'woocommerce'), 'placeholder' => __('Never', 'woocommerce'), 'description' => __('Enter the number of days before a download link expires, or leave blank.', 'woocommerce'), 'type' => 'number', 'custom_attributes' => array('step' => '1', 'min' => '0')));
        // Download Type
        woocommerce_wp_select(array('id' => '_download_type', 'label' => __('Download Type', 'woocommerce'), 'description' => sprintf(__('Choose a download type - this controls the <a href="%s">schema</a>.', 'woocommerce'), 'http://schema.org/'), 'options' => array('' => __('Standard Product', 'woocommerce'), 'application' => __('Application/Software', 'woocommerce'), 'music' => __('Music', 'woocommerce'))));
        do_action('woocommerce_product_options_downloads');
        echo '</div>';
        if (wc_tax_enabled()) {
            echo '<div class="options_group show_if_simple show_if_external show_if_variable">';
            // Tax
            woocommerce_wp_select(array('id' => '_tax_status', 'label' => __('Tax Status', 'woocommerce'), 'options' => array('taxable' => __('Taxable', 'woocommerce'), 'shipping' => __('Shipping only', 'woocommerce'), 'none' => _x('None', 'Tax status', 'woocommerce'))));
            $tax_classes = WC_Tax::get_tax_classes();
            $classes_options = array();
            $classes_options[''] = __('Standard', 'woocommerce');
            if (!empty($tax_classes)) {
                foreach ($tax_classes as $class) {
                    $classes_options[sanitize_title($class)] = esc_html($class);
                }
            }
            woocommerce_wp_select(array('id' => '_tax_class', 'label' => __('Tax Class', 'woocommerce'), 'options' => $classes_options));
            do_action('woocommerce_product_options_tax');
            echo '</div>';
        }
        do_action('woocommerce_product_options_general_product_data');
        ?>
			</div>

			<div id="inventory_product_data" class="panel woocommerce_options_panel">

				<?php 
        echo '<div class="options_group">';
        if ('yes' == get_option('woocommerce_manage_stock')) {
            // manage stock
            woocommerce_wp_checkbox(array('id' => '_manage_stock', 'wrapper_class' => 'show_if_simple show_if_variable', 'label' => __('Manage stock?', 'woocommerce'), 'description' => __('Enable stock management at product level', 'woocommerce')));
            do_action('woocommerce_product_options_stock');
            echo '<div class="stock_fields show_if_simple show_if_variable">';
            // Stock
            woocommerce_wp_text_input(array('id' => '_stock', 'label' => __('Stock Qty', 'woocommerce'), 'desc_tip' => true, 'description' => __('Stock quantity. If this is a variable product this value will be used to control stock for all variations, unless you define stock at variation level.', 'woocommerce'), 'type' => 'number', 'custom_attributes' => array('step' => 'any'), 'data_type' => 'stock'));
            // Backorders?
            woocommerce_wp_select(array('id' => '_backorders', 'label' => __('Allow Backorders?', 'woocommerce'), 'options' => array('no' => __('Do not allow', 'woocommerce'), 'notify' => __('Allow, but notify customer', 'woocommerce'), 'yes' => __('Allow', 'woocommerce')), 'desc_tip' => true, 'description' => __('If managing stock, this controls whether or not backorders are allowed. If enabled, stock quantity can go below 0.', 'woocommerce')));

do_action('woocommerce_admin_order_item_values', null, $refund, absint($refund->id));
?>

	<td class="item_cost" width="1%">&nbsp;</td>
	<td class="quantity" width="1%">&nbsp;</td>

	<td class="line_cost" width="1%">
		<div class="view">
			<?php 
echo wc_price('-' . $refund->get_refund_amount());
?>
		</div>
	</td>

	<?php 
if ((!isset($legacy_order) || !$legacy_order) && wc_tax_enabled()) {
    for ($i = 0; $i < count($order_taxes); $i++) {
        ?>

		<td class="line_tax" width="1%"></td>

	<?php 
    }
}
?>

	<td class="wc-order-edit-line-item">
		<div class="wc-order-edit-line-item-actions">
			<a class="delete_refund" href="#"></a>
		</div>
	</td>

" />
			</div>
		</div>
		<div class="refund" style="display: none;">
			<input type="text" name="refund_line_total[<?php 
echo absint($item_id);
?>
]" placeholder="<?php 
echo wc_format_localized_price(0);
?>
" class="refund_line_total wc_input_price" />
		</div>
	</td>

	<?php 
if (empty($legacy_order) && wc_tax_enabled()) {
    $line_tax_data = isset($item['line_tax_data']) ? $item['line_tax_data'] : '';
    $tax_data = maybe_unserialize($line_tax_data);
    foreach ($order_taxes as $tax_item) {
        $tax_item_id = $tax_item['rate_id'];
        $tax_item_total = isset($tax_data['total'][$tax_item_id]) ? $tax_data['total'][$tax_item_id] : '';
        $tax_item_subtotal = isset($tax_data['subtotal'][$tax_item_id]) ? $tax_data['subtotal'][$tax_item_id] : '';
        ?>
					<td class="line_tax" width="1%">
						<div class="view">
							<?php 
        if ('' != $tax_item_total) {
            if (isset($tax_item_subtotal) && $tax_item_subtotal != $tax_item_total) {
                echo '<del>' . wc_price(wc_round_tax_total($tax_item_subtotal), array('currency' => $order->get_order_currency())) . '</del> ';
            }
            echo wc_price(wc_round_tax_total($tax_item_total), array('currency' => $order->get_order_currency()));

 /**
  * Get Price Range for given product ids.
  * If filtered is true then return price range for filtered products,
  * otherwise return price range for all products.
  * 
  * @param  boolean $filtered
  * @return array
  */
 public function getPriceRange($filtered = true)
 {
     if ($filtered === true) {
         $price_range = $this->filteredProductsPriceRange();
     } else {
         $price_range = $this->unfilteredProductsPriceRange();
     }
     if (sizeof($price_range) > 2) {
         $min = $max = false;
         foreach ($price_range as $price) {
             if ($min === false || $min > (int) $price) {
                 $min = floor($price);
             }
             if ($max === false || $max < (int) $price) {
                 $max = ceil($price);
             }
         }
         // if tax enabled and shop page shows price including tax
         if (wc_tax_enabled() && 'incl' === get_option('woocommerce_tax_display_shop') && !wc_prices_include_tax()) {
             $tax_classes = array_merge(array(''), WC_Tax::get_tax_classes());
             foreach ($tax_classes as $tax_class) {
                 $tax_rates = WC_Tax::get_rates($tax_class);
                 $class_min = $min + WC_Tax::get_tax_total(WC_Tax::calc_exclusive_tax($min, $tax_rates));
                 $class_max = $max + WC_Tax::get_tax_total(WC_Tax::calc_exclusive_tax($max, $tax_rates));
                 $min = $max = false;
                 if ($min === false || $min > (int) $class_min) {
                     $min = floor($class_min);
                 }
                 if ($max === false || $max < (int) $class_max) {
                     $max = ceil($class_max);
                 }
             }
         }
         // if WooCommerce Currency Switcher plugin is activated
         if (class_exists('WOOCS')) {
             $woocs = new WOOCS();
             $chosen_currency = $woocs->get_woocommerce_currency();
             $currencies = $woocs->get_currencies();
             if (sizeof($currencies) > 0) {
                 foreach ($currencies as $currency) {
                     if ($currency['name'] == $chosen_currency) {
                         $rate = $currency['rate'];
                     }
                 }
                 $min = floor($min * $rate);
                 $max = ceil($max * $rate);
             }
         }
         if ($min == $max) {
             // empty array
             return array();
         } else {
             // array with min and max values
             return array($min, $max);
         }
     } else {
         // empty array
         return array();
     }
 }

 public function wc_price($price, $args = array())
 {
     $decimals = 2;
     extract(apply_filters('wc_price_args', wp_parse_args($args, array('ex_tax_label' => false, 'currency' => '', 'decimal_separator' => $this->decimal_sep, 'thousand_separator' => $this->thousands_sep, 'decimals' => $decimals, 'price_format' => $this->woocommerce_price_format()))));
     //***
     $currencies = $this->get_currencies();
     if (isset($currencies[$currency])) {
         if ($currencies[$currency]['hide_cents']) {
             $decimals = 0;
         }
     }
     //***
     $negative = $price < 0;
     $price = apply_filters('raw_woocommerce_price', floatval($negative ? $price * -1 : $price));
     $price = apply_filters('formatted_woocommerce_price', number_format($price, $decimals, $decimal_separator, $thousand_separator), $price, $decimals, $decimal_separator, $thousand_separator);
     if (apply_filters('woocommerce_price_trim_zeros', false) && $decimals > 0) {
         $price = wc_trim_zeros($price);
     }
     $formatted_price = ($negative ? '-' : '') . sprintf($price_format, get_woocommerce_currency_symbol($currency), $price);
     $return = '<span class="woocs_amount">' . $formatted_price . '</span>';
     if ($ex_tax_label && wc_tax_enabled()) {
         $return .= ' <small class="tax_label">' . WC()->countries->ex_tax_or_vat() . '</small>';
     }
     return apply_filters('wc_price', $return, $price, $args);
 }

/**
 * Format the price with a currency symbol.
 *
 * @param float $price
 * @param array $args (default: array())
 * @return string
 */
function wc_price($price, $args = array())
{
    extract(apply_filters('wc_price_args', wp_parse_args($args, array('ex_tax_label' => false, 'currency' => '', 'decimal_separator' => wc_get_price_decimal_separator(), 'thousand_separator' => wc_get_price_thousand_separator(), 'decimals' => wc_get_price_decimals(), 'price_format' => get_woocommerce_price_format()))));
    $negative = $price < 0;
    $price = apply_filters('raw_woocommerce_price', floatval($negative ? $price * -1 : $price));
    $price = apply_filters('formatted_woocommerce_price', number_format($price, $decimals, $decimal_separator, $thousand_separator), $price, $decimals, $decimal_separator, $thousand_separator);
    if (apply_filters('woocommerce_price_trim_zeros', false) && $decimals > 0) {
        $price = wc_trim_zeros($price);
    }
    $formatted_price = ($negative ? '-' : '') . sprintf($price_format, '<span class="woocommerce-Price-currencySymbol">' . get_woocommerce_currency_symbol($currency) . '</span>', $price);
    $return = '<span class="woocommerce-Price-amount amount">' . $formatted_price . '</span>';
    if ($ex_tax_label && wc_tax_enabled()) {
        $return .= ' <small class="woocommerce-Price-taxLabel tax_label">' . WC()->countries->ex_tax_or_vat() . '</small>';
    }
    return apply_filters('wc_price', $return, $price, $args);
}

 /**
  * Function to apply discounts to a product and get the discounted price (before tax is applied).
  *
  * @param mixed $values
  * @param mixed $price
  * @param bool $add_totals (default: false)
  * @return float price
  */
 public function get_discounted_price($values, $price, $add_totals = false)
 {
     if (!$price) {
         return $price;
     }
     $undiscounted_price = $price;
     if (!empty($this->coupons)) {
         $product = $values['data'];
         foreach ($this->coupons as $code => $coupon) {
             if ($coupon->is_valid() && ($coupon->is_valid_for_product($product, $values) || $coupon->is_valid_for_cart())) {
                 $discount_amount = $coupon->get_discount_amount('yes' === get_option('woocommerce_calc_discounts_sequentially', 'no') ? $price : $undiscounted_price, $values, true);
                 $discount_amount = min($price, $discount_amount);
                 $price = max($price - $discount_amount, 0);
                 // Store the totals for DISPLAY in the cart
                 if ($add_totals) {
                     $total_discount = $discount_amount * $values['quantity'];
                     $total_discount_tax = 0;
                     if (wc_tax_enabled()) {
                         $tax_rates = WC_Tax::get_rates($product->get_tax_class());
                         $taxes = WC_Tax::calc_tax($discount_amount, $tax_rates, $this->prices_include_tax);
                         $total_discount_tax = WC_Tax::get_tax_total($taxes) * $values['quantity'];
                         $total_discount = $this->prices_include_tax ? $total_discount - $total_discount_tax : $total_discount;
                         $this->discount_cart_tax += $total_discount_tax;
                     }
                     $this->discount_cart += $total_discount;
                     $this->increase_coupon_discount_amount($code, $total_discount, $total_discount_tax);
                     $this->increase_coupon_applied_count($code, $values['quantity']);
                 }
             }
             // If the price is 0, we can stop going through coupons because there is nothing more to discount for this product.
             if (0 >= $price) {
                 break;
             }
         }
     }
     return apply_filters('woocommerce_get_discounted_price', $price, $values, $this);
 }

 /**
  * Get line item args for paypal request
  * @param  WC_Order $order
  * @return array
  */
 protected function get_line_item_args($order)
 {
     /**
      * Try passing a line item per product if supported
      */
     if ((!wc_tax_enabled() || !wc_prices_include_tax()) && $this->prepare_line_items($order)) {
         $line_item_args = $this->get_line_items();
         $line_item_args['tax_cart'] = $this->number_format($order->get_total_tax(), $order);
         if ($order->get_total_discount() > 0) {
             $line_item_args['discount_amount_cart'] = $this->round($order->get_total_discount(), $order);
         }
         /**
          * Send order as a single item
          *
          * For shipping, we longer use shipping_1 because paypal ignores it if *any* shipping rules are within paypal, and paypal ignores anything over 5 digits (999.99 is the max)
          */
     } else {
         $this->delete_line_items();
         $all_items_name = $this->get_order_item_names($order);
         $this->add_line_item($all_items_name ? $all_items_name : __('Order', 'woocommerce'), 1, $this->number_format($order->get_total() - $this->round($order->get_total_shipping() + $order->get_shipping_tax(), $order), $order), $order->get_order_number());
         $this->add_line_item(sprintf(__('Shipping via %s', 'woocommerce'), ucwords($order->get_shipping_method())), 1, $this->number_format($order->get_total_shipping() + $order->get_shipping_tax(), $order));
         $line_item_args = $this->get_line_items();
     }
     return $line_item_args;
 }