PHP WC_Tax::calc_exclusive_tax方法代码示例

    /**
     * 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);
    }

 /**
  * 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();
 }

 /**
  * 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();
     }
 }

 /**
  * 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;
     }
     // Remember current filters/search
     if ('' == get_option('permalink_structure')) {
         $link_url = remove_query_arg(array('page', 'paged'), add_query_arg($wp->query_string, '', home_url($wp->request)));
     } else {
         $link_url = preg_replace('%\\/page/[0-9]+%', '', home_url(trailingslashit($wp->request)));
     }
     if (get_search_query()) {
         $link_url = add_query_arg('s', get_search_query(), $link_url);
     }
     if (!empty($_GET['post_type'])) {
         $link_url = add_query_arg('post_type', urlencode($_GET['post_type']), $link_url);
     }
     if (!empty($_GET['product_cat'])) {
         $link_url = add_query_arg('product_cat', urlencode($_GET['product_cat']), $link_url);
     }
     if (!empty($_GET['product_tag'])) {
         $link_url = add_query_arg('product_tag', urlencode($_GET['product_tag']), $link_url);
     }
     if (!empty($_GET['orderby'])) {
         $link_url = add_query_arg('orderby', urlencode($_GET['orderby']), $link_url);
     }
     if ($_chosen_attributes = WC_Query::get_layered_nav_chosen_attributes()) {
         foreach ($_chosen_attributes as $attribute => $data) {
             $taxonomy_filter = 'filter_' . str_replace('pa_', '', $attribute);
             $link_url = add_query_arg($taxonomy_filter, urlencode(implode(',', $data['terms'])), $link_url);
             if ('or' == $data['query_type']) {
                 $link_url = add_query_arg(str_replace('pa_', 'query_type_', $attribute), 'or', $link_url);
             }
         }
     }
     // 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);
     /**
      * 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;
     }
     $minprice = isset($_GET['min_price']) ? esc_attr($_GET['min_price']) : '';
     $maxprice = isset($_GET['max_price']) ? esc_attr($_GET['max_price']) : '';
     $output = '';
     $min_price = 0;
     $range_size = intval($instance['range_size']);
     $max_ranges = intval($instance['max_ranges']) - 1;
     $count = 0;
     if (strlen($minprice) > 0) {
         $output .= '<li><a href="' . esc_url($link_url) . '">' . esc_html__('All', 'cruxstore') . '</a></li>';
     } else {
         $output .= '<li class="selected">' . esc_html__('All', 'cruxstore') . '</li>';
     }
     while ($count <= $max_ranges) {
         $step = $min_price;
         $min_price += $range_size;
         if ($count != $max_ranges) {
             if ($min_price > $max) {
                 $min_price = $max;
             }
             $link = add_query_arg(array('min_price' => $step, 'max_price' => $min_price), $link_url);
             $price_text = wc_price($step) . ' - ' . wc_price($min_price);
         } else {
             $link = add_query_arg(array('min_price' => $step, 'max_price' => $max), $link_url);
             $price_text = wc_price($step) . '+';
         }
         if ($step == $minprice && $min_price == $maxprice) {
             $output .= '<li class="selected">' . $price_text . '</li>';
         } else {
             $output .= '<li><a href="' . esc_url($link) . '">' . $price_text . '</a></li>';
         }
//.........这里部分代码省略.........

    /**
     * widget function.
     *
     * @see WP_Widget
     *
     * @param array $args
     * @param array $instance
     */
    public function widget($args, $instance)
    {
        global $_chosen_attributes, $wpdb, $wp;
        if (!is_post_type_archive('product') && !is_tax(get_object_taxonomies('product'))) {
            return;
        }
        if (sizeof(WC()->query->unfiltered_product_ids) == 0) {
            return;
            // None shown - 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');
        // Remember current filters/search
        $fields = '';
        if (get_search_query()) {
            $fields .= '<input type="hidden" name="s" value="' . get_search_query() . '" />';
        }
        if (!empty($_GET['post_type'])) {
            $fields .= '<input type="hidden" name="post_type" value="' . esc_attr($_GET['post_type']) . '" />';
        }
        if (!empty($_GET['product_cat'])) {
            $fields .= '<input type="hidden" name="product_cat" value="' . esc_attr($_GET['product_cat']) . '" />';
        }
        if (!empty($_GET['product_tag'])) {
            $fields .= '<input type="hidden" name="product_tag" value="' . esc_attr($_GET['product_tag']) . '" />';
        }
        if (!empty($_GET['orderby'])) {
            $fields .= '<input type="hidden" name="orderby" value="' . esc_attr($_GET['orderby']) . '" />';
        }
        if ($_chosen_attributes) {
            foreach ($_chosen_attributes as $attribute => $data) {
                $taxonomy_filter = 'filter_' . str_replace('pa_', '', $attribute);
                $fields .= '<input type="hidden" name="' . esc_attr($taxonomy_filter) . '" value="' . esc_attr(implode(',', $data['terms'])) . '" />';
                if ('or' == $data['query_type']) {
                    $fields .= '<input type="hidden" name="' . esc_attr(str_replace('pa_', 'query_type_', $attribute)) . '" value="or" />';
                }
            }
        }
        if (0 === sizeof(WC()->query->layered_nav_product_ids)) {
            $min = floor($wpdb->get_var("\n\t\t\t\tSELECT min(meta_value + 0)\n\t\t\t\tFROM {$wpdb->posts} as posts\n\t\t\t\tLEFT JOIN {$wpdb->postmeta} as postmeta ON posts.ID = postmeta.post_id\n\t\t\t\tWHERE meta_key IN ('" . implode("','", array_map('esc_sql', apply_filters('woocommerce_price_filter_meta_keys', array('_price', '_min_variation_price')))) . "')\n\t\t\t\tAND meta_value != ''\n\t\t\t"));
            $max = ceil($wpdb->get_var("\n\t\t\t\tSELECT max(meta_value + 0)\n\t\t\t\tFROM {$wpdb->posts} as posts\n\t\t\t\tLEFT JOIN {$wpdb->postmeta} as postmeta ON posts.ID = postmeta.post_id\n\t\t\t\tWHERE meta_key IN ('" . implode("','", array_map('esc_sql', apply_filters('woocommerce_price_filter_meta_keys', array('_price')))) . "')\n\t\t\t"));
        } else {
            $min = floor($wpdb->get_var("\n\t\t\t\tSELECT min(meta_value + 0)\n\t\t\t\tFROM {$wpdb->posts} as posts\n\t\t\t\tLEFT JOIN {$wpdb->postmeta} as postmeta ON posts.ID = postmeta.post_id\n\t\t\t\tWHERE meta_key IN ('" . implode("','", array_map('esc_sql', apply_filters('woocommerce_price_filter_meta_keys', array('_price', '_min_variation_price')))) . "')\n\t\t\t\tAND meta_value != ''\n\t\t\t\tAND (\n\t\t\t\t\tposts.ID IN (" . implode(',', array_map('absint', WC()->query->layered_nav_product_ids)) . ")\n\t\t\t\t\tOR (\n\t\t\t\t\t\tposts.post_parent IN (" . implode(',', array_map('absint', WC()->query->layered_nav_product_ids)) . ")\n\t\t\t\t\t\tAND posts.post_parent != 0\n\t\t\t\t\t)\n\t\t\t\t)\n\t\t\t"));
            $max = ceil($wpdb->get_var("\n\t\t\t\tSELECT max(meta_value + 0)\n\t\t\t\tFROM {$wpdb->posts} as posts\n\t\t\t\tLEFT JOIN {$wpdb->postmeta} as postmeta ON posts.ID = postmeta.post_id\n\t\t\t\tWHERE meta_key IN ('" . implode("','", array_map('esc_sql', apply_filters('woocommerce_price_filter_meta_keys', array('_price')))) . "')\n\t\t\t\tAND (\n\t\t\t\t\tposts.ID IN (" . implode(',', array_map('absint', WC()->query->layered_nav_product_ids)) . ")\n\t\t\t\t\tOR (\n\t\t\t\t\t\tposts.post_parent IN (" . implode(',', array_map('absint', WC()->query->layered_nav_product_ids)) . ")\n\t\t\t\t\t\tAND posts.post_parent != 0\n\t\t\t\t\t)\n\t\t\t\t)\n\t\t\t"));
        }
        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)));
        }
        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());
            $min = 0;
            foreach ($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, $tax_rates));
                if ($min === 0 || $class_min < $min) {
                    $min = $class_min;
                }
                if ($class_max > $max) {
                    $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=" filter">' . __('Filter', 'woocommerce') . '</button>
					<div class="price_label price-input" style="display:none;">
						' . __('Price:', 'woocommerce') . ' <span class="from"></span> &mdash; <span class="to"></span>
					</div>
					' . $fields . '
					<div class="clear"></div>
				</div>
			</div>
		</form>';
        $this->widget_end($args);
    }

    /**
     * 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');
        // Remember current filters/search
        $fields = '';
        if (get_search_query()) {
            $fields .= '<input type="hidden" name="s" value="' . get_search_query() . '" />';
        }
        if (!empty($_GET['post_type'])) {
            $fields .= '<input type="hidden" name="post_type" value="' . esc_attr($_GET['post_type']) . '" />';
        }
        if (!empty($_GET['product_cat'])) {
            $fields .= '<input type="hidden" name="product_cat" value="' . esc_attr($_GET['product_cat']) . '" />';
        }
        if (!empty($_GET['product_tag'])) {
            $fields .= '<input type="hidden" name="product_tag" value="' . esc_attr($_GET['product_tag']) . '" />';
        }
        if (!empty($_GET['orderby'])) {
            $fields .= '<input type="hidden" name="orderby" value="' . esc_attr($_GET['orderby']) . '" />';
        }
        if (!empty($_GET['min_rating'])) {
            $fields .= '<input type="hidden" name="min_rating" value="' . esc_attr($_GET['min_rating']) . '" />';
        }
        if ($_chosen_attributes = WC_Query::get_layered_nav_chosen_attributes()) {
            foreach ($_chosen_attributes as $attribute => $data) {
                $taxonomy_filter = 'filter_' . str_replace('pa_', '', $attribute);
                $fields .= '<input type="hidden" name="' . esc_attr($taxonomy_filter) . '" value="' . esc_attr(implode(',', $data['terms'])) . '" />';
                if ('or' == $data['query_type']) {
                    $fields .= '<input type="hidden" name="' . esc_attr(str_replace('pa_', 'query_type_', $attribute)) . '" value="or" />';
                }
            }
        }
        // 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 min and max if the store taxes are not displayed how they are stored
        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, $tax_rates));
                if ($class_min < $min) {
                    $min = $class_min;
                }
                if ($class_max > $max) {
                    $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>
					' . $fields . '
					<div class="clear"></div>
				</div>
			</div>
		</form>';
        $this->widget_end($args);
    }