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<?php
declare(strict_types=1);
namespace PhpOffice\PhpSpreadsheetTests\Calculation;
use PhpOffice\PhpSpreadsheet\Calculation\Exception as CalcException;
use PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Helpers;
class CustomFunction
{
public static function fourthPower(mixed $number): float|int|string
try {
$number = Helpers::validateNumericNullBool($number);
} catch (CalcException $e) {
return $e->getMessage();
}
return $number ** 4;
PHPOffice /
PhpSpreadsheet
