Phpml\SupportVectorMachine\SupportVectorMachine::getOSExtension PHP Method

    private function getOSExtension()
    {
        $os = strtoupper(substr(PHP_OS, 0, 3));
        if ($os === 'WIN') {
            return '.exe';
        } elseif ($os === 'DAR') {
            return '-osx';
        }
        return '';
    }