České služby pro WordPress

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);
}