WooCommerce Currency Switcher

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Plugin link: https://cs.wordpress.org/plugins/ceske-sluzby/

• in file \plugins\ceske-sluzby-master\includes\class-ceske-sluzby-xml.php add code:

  if (class_exists('WOOCS')) {
      global $WOOCS;
      if ($WOOCS->is_multiple_allowed AND $WOOCS->current_currency != 'EUR') {
          $price = $produkt->get_price('custom');
          if ($WOOCS->default_currency != 'EUR') {
              $currencies = $WOOCS->get_currencies();
              $precision = $WOOCS->get_currency_price_num_decimals('EUR', $WOOCS->price_num_decimals);
              $rate = $currencies['EUR']['rate'];
              $price = number_format($price * ($rate), $precision, '.', '');
          }
          $cena_produkt = wc_get_price_including_tax($produkt, array('price' => $price, 'qty' => 1));
      } else {
          $cena_produkt = wc_get_price_including_tax($produkt);
      }
  } else {
      $cena_produkt = wc_get_price_including_tax($produkt);
  }