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chengkun

2025-09-12 26c5c0296e7c094f9a7ae4a4bb3c975796992eaf

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<?php
 
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow;
 
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\FinancialValidations;
use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
 
class CashFlowValidations extends FinancialValidations
{
    public static function validateRate(mixed $rate): float
    {
        $rate = self::validateFloat($rate);
 
        return $rate;
    }
 
    public static function validatePeriodType(mixed $type): int
    {
        $rate = self::validateInt($type);
        if (
            $type !== FinancialConstants::PAYMENT_END_OF_PERIOD
            && $type !== FinancialConstants::PAYMENT_BEGINNING_OF_PERIOD
        ) {
            throw new Exception(ExcelError::NAN());
        }
 
        return $rate;
    }
 
    public static function validatePresentValue(mixed $presentValue): float
    {
        return self::validateFloat($presentValue);
    }
 
    public static function validateFutureValue(mixed $futureValue): float
    {
        return self::validateFloat($futureValue);
    }
}