public static function refreshCurrencies()
    {
        $currencies_to_update = '';
        $currencies = Currency::getCurrencies(true, false, true);
        foreach($currencies as $key => $currency) {
            $currencies_to_update .= ($key > 0 ? ',' : '').$currency->iso_code;
        }
        $default_currency = Currency::getDefaultCurrency();
        $data = Tools::file_get_contents('https://cdn.jsdelivr.net/npm/@fawazahmed0/currency-api@latest/v1/currencies/'.strtolower($default_currency->iso_code).'.min.json');
        if(!$parser = Tools::jsonDecode($data, true)) {
            $data = Tools::file_get_contents('https://latest.currency-api.pages.dev/v1/currencies/'.strtolower($default_currency->iso_code).'.json');
            $parser = Tools::jsonDecode($data, true);
        }
        
        if(is_array($parser) && isset($parser[strtolower($default_currency->iso_code)])) {
            foreach($currencies as $currency) {
                if($currency->id != $default_currency->id) {
                    foreach($parser['eur'] as $iso_code => $rate) {
                        if(strtoupper($iso_code) == $currency->iso_code) {
                            $currency->conversion_rate = round($rate, 6);
                            $currency->update();
                        }
                    }
                }
            }
            return false;
        }
        else {
            $error = Tools::displayError('Error: unable to update currencies exchange rate from').' cdn.jsdelivr.net ('.$parser.')';
            PrestaShopLogger::addLog($error, 1, '0000001', 'Currency', 0);
            return $error;
        }
    }