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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig;
use PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
class Trunc
{
use ArrayEnabled;
/**
* TRUNC.
*
* Truncates value to the number of fractional digits by number_digits.
*
* @param array|float $value
* Or can be an array of values
* @param array|int $digits
* Or can be an array of values
*
* @return array|float|string Truncated value, or a string containing an error
* If an array of numbers is passed as an argument, then the returned result will also be an array
* with the same dimensions
*/
public static function evaluate($value = 0, $digits = 0)
{
if (is_array($value) || is_array($digits)) {
return self::evaluateArrayArguments([self::class, __FUNCTION__], $value, $digits);
}
try {
$value = Helpers::validateNumericNullBool($value);
$digits = Helpers::validateNumericNullSubstitution($digits, null);
} catch (Exception $e) {
return $e->getMessage();
}
$digits = floor($digits);
// Truncate
$adjust = 10 ** $digits;
if (($digits > 0) && (rtrim((string) (int) ((abs($value) - abs((int) $value)) * $adjust), '0') < $adjust / 10)) {
return $value;
}
return ((int) ($value * $adjust)) / $adjust;
}
}
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