GrumPHP\Formatter\GitBlacklistFormatter::formatOutput PHP Метод

    private function formatOutput($output)
    {
        $result = static::RESET_COLOR;
        foreach (array_filter(explode("\n", $output)) as $lineNumber => $line) {
            $result .= preg_match('/^[0-9]+/', $line) ? $this->trimOutputLine($line, (int) $lineNumber) : $line;
            $result .= PHP_EOL;
        }
        return trim($result);
    }