currency.php

См. документацию.

<?php
 
namespace Bitrix\Seo\BusinessSuite\Configuration\Facebook\Fields\Setup;
 
use Bitrix\Main\Loader;
use Bitrix\Currency\CurrencyManager;
use Bitrix\Seo\BusinessSuite\Configuration\Facebook\Fields;
 
final class Currency implements Fields\IField, Fields\IAvailableFieldList
{
    public static function getDefaultValue()
    {
        return in_array($current = self::getDefaultCurrency(),static::getCurrencyList())? $current : 'USD';
    }
 
    private static function getDefaultCurrency()
    {
        if (Loader::includeModule('bitrix24') && is_array($currencies = \CBitrix24::GetAvBillingCurrencies()))
        {
            $currentCurrency = current($currencies);
            return $currentCurrency !== 'RUR'? $currentCurrency : 'RUB';
        }
 
        if (Loader::includeModule('currency'))
        {
            return CurrencyManager::getBaseCurrency();
        }
        return false;
    }

    public static function checkValue($value): bool
    {
        if(is_string($value))
        {
            return in_array($value,static::getAvailableValues());
        }
        return false;
    }

    public static function getAvailableValues(): array
    {
        return static::getCurrencyList();
    }

    public static function available(): bool
    {
        return true;
 
    }

    public static function required(): bool
    {
        return true;
    }
 
    public static function getCurrencyList() : array
    {
        return [
            'DZD', 'ARS', 'AUD', 'BDT', 'BOB', 'BRL', 'GBP', 'CAD', 'CLP', 'CNY', 'COP', 'CRC', 'CZK', 'DKK', 'EGP', 'EUR',
            'GTQ', 'HNL', 'HKD', 'HUF', 'ISK', 'INR', 'IDR', 'ILS', 'JPY', 'KES', 'KRW', 'MOP', 'MYR', 'MXN', 'NZD', 'NIO',
            'NGN', 'NOK', 'PKR', 'PYG', 'PEN', 'PHP', 'PLN', 'QAR', 'RON', 'RUB', 'SAR', 'SGD', 'ZAR', 'SEK', 'CHF', 'TWD',
            'THB', 'TRY', 'AED', 'USD', 'UYU', 'VEF', 'VND'
        ];
    }
}