Vendor/phpspreadsheet/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/Statistical.php
public static function LOGNORMDIST($value, $mean, $stdDev)
    {
        $value = Functions::flattenSingleValue($value);
        $mean = Functions::flattenSingleValue($mean);
        $stdDev = Functions::flattenSingleValue($stdDev);

        if ((is_numeric($value)) && (is_numeric($mean)) && (is_numeric($stdDev))) {
            if (($value <= 0) || ($stdDev <= 0)) {
                return Functions::NAN();
            }

            return self::NORMSDIST((log($value) - $mean) / $stdDev);
        }

        return Functions::VALUE();
    }
public static function LOGNORMDIST($value, $mean, $stdDev)
    {
        $value = Functions::flattenSingleValue($value);
        $mean = Functions::flattenSingleValue($mean);
        $stdDev = Functions::flattenSingleValue($stdDev);

        if ((is_numeric($value)) && (is_numeric($mean)) && (is_numeric($stdDev))) {
            if (($value <= 0) || ($stdDev <= 0)) {
                return Functions::NAN();
            }

            return self::NORMSDIST((log($value) - $mean) / $stdDev);
        }

        return Functions::VALUE();
    }
LOGNORMDIST.

Returns the cumulative lognormal distribution of x, where ln(x) is normally distributed
with parameters mean and standard_dev.

@param float $value
@param float $mean
@param float $stdDev

@return float