FinancialTransactionsRu::pickupCharsetCode

protected function pickupCharsetCode(): string
{
	if ($this->charsetCode === static::CHARSET_WIN1251)
	{
		return 'Windows-1251';
	}
	if ($this->charsetCode === static::CHARSET_KOI8R)
	{
		return 'KOI8-R';
	}

	$this->charsetCode = static::CHARSET_UTF8;

	return 'UTF-8';
}