/**
  * Returns a pricing rules HTML table
  *
  * @since 3.0
  * @param array $rules array of pricing rules
  * @param WC_Price_Calculator_Settings $settings the calculator settings object
  * @return string pricing rules HTML table
  */
 public static function get_pricing_rules_table($rules, $settings)
 {
     $html = '<table class="wc-measurement-price-calculator-pricing-table">';
     $html .= '<thead><tr><th>' . sprintf(__('Range (%s)', WC_Measurement_Price_Calculator::TEXT_DOMAIN), '<span class="units">' . __($settings->get_pricing_label(), WC_Measurement_Price_Calculator::TEXT_DOMAIN) . '</span>') . '</th>';
     $html .= '<th>' . sprintf(__('Price (%s)', WC_Measurement_Price_Calculator::TEXT_DOMAIN), '<span class="units">' . get_woocommerce_currency_symbol() . '/' . __($settings->get_pricing_label(), WC_Measurement_Price_Calculator::TEXT_DOMAIN) . '</span>') . '</th></tr></thead>';
     $html .= '<tbody>';
     foreach ($rules as $rule) {
         // format the range as "1 ft", "1 - 3 ft" or "1+ ft"
         $range = $rule['range_start'];
         if ('' === $rule['range_end']) {
             $range .= '+';
         } elseif ($rule['range_end'] != $rule['range_start']) {
             $range .= ' - ' . $rule['range_end'];
         }
         $range .= ' ' . __($settings->get_pricing_label(), WC_Measurement_Price_Calculator::TEXT_DOMAIN);
         $html .= sprintf('<tr><td>%s</td><td>%s</td></tr>', $range, $settings->get_pricing_rule_price_html($rule));
     }
     $html .= '</tbody>';
     $html .= '</table>';
     return $html;
 }