Prado\I18N\core\NumberFormat::formatInteger PHP Méthode

    protected function formatInteger($string)
    {
        $string = (string) $string;
        $decimalDigits = $this->formatInfo->DecimalDigits;
        //if not decimal digits, assume 0 decimal points.
        if (is_int($decimalDigits) && $decimalDigits > 0) {
            $string = (string) round(floatval($string), $decimalDigits);
        }
        $dp = strpos($string, '.');
        if (is_int($dp)) {
            $string = substr($string, 0, $dp);
        }
        $integer = '';
        $digitSize = $this->formatInfo->getDigitSize();
        $string = str_pad($string, $digitSize, '0', STR_PAD_LEFT);
        $len = strlen($string);
        $groupSeparator = $this->formatInfo->GroupSeparator;
        $groupSize = $this->formatInfo->GroupSizes;
        $firstGroup = true;
        $multiGroup = is_int($groupSize[1]);
        $count = 0;
        if (is_int($groupSize[0])) {
            //now for the integer groupings
            for ($i = 0; $i < $len; $i++) {
                $char = $string[$len - $i - 1];
                if ($multiGroup && $count == 0) {
                    if ($i != 0 && $i % $groupSize[0] == 0) {
                        $integer = $groupSeparator . $integer;
                        $count++;
                    }
                } else {
                    if ($multiGroup && $count >= 1) {
                        if ($i != 0 && ($i - $groupSize[0]) % $groupSize[1] == 0) {
                            $integer = $groupSeparator . $integer;
                            $count++;
                        }
                    } else {
                        if ($i != 0 && $i % $groupSize[0] == 0) {
                            $integer = $groupSeparator . $integer;
                            $count++;
                        }
                    }
                }
                $integer = $char . $integer;
            }
        } else {
            $integer = $string;
        }
        return $integer;
    }