funcTrunc()
funcTrunc(float $value, int $digits) : float|string
TRUNC.
Truncates value to the number of fractional digits by number_digits.
Parameters
| float | $value | |
| int | $digits |
Returns
float|string —Truncated value, or a string containing an error
<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Calculation\MathTrig;
class Trunc
{
/**
* TRUNC.
*
* Truncates value to the number of fractional digits by number_digits.
*
* @param float $value
* @param int $digits
*
* @return float|string Truncated value, or a string containing an error
*/
public static function funcTrunc($value = 0, $digits = 0)
{
MathTrig::nullFalseTrueToNumber($value);
$digits = Functions::flattenSingleValue($digits);
// Validate parameters
if ((!is_numeric($value)) || (!is_numeric($digits))) {
return Functions::VALUE();
}
$digits = floor($digits);
// Truncate
$adjust = 10 ** $digits;
if (($digits > 0) && (rtrim((int) ((abs($value) - abs((int) $value)) * $adjust), '0') < $adjust / 10)) {
return $value;
}
return ((int) ($value * $adjust)) / $adjust;
}
}