bogdananton / Selenium-Setup

        return $process->getPid();

    }

    public function getChromeVersion()

    {

        if ($this->isWindows()) {

            $cmd = 'reg query HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Google\Update\Clients\{8A69D345-D564-463c-AFF1-A69D9E530F96} | findstr /i pv';

            $match = '/REG_SZ[\s]+([0-9.]+)/is';

        } else {

            $cmd = 'google-chrome --version';

            $match = '/Google Chrome ([0-9.]+)/is';

        }

        $output = new BufferedOutput();

        $process = new Process($cmd, SeleniumSetup::$APP_ROOT_PATH, SeleniumSetup::$APP_PROCESS_ENV, null, null);

        $process->run(function($type, $line) use ($output) {

            $output->write($line);

        });

        preg_match($match, $output->fetch(), $matches);

        return isset($matches[1]) ? $matches[1] : null;

    }

    public function getFirefoxVersion()

    {

        return isset($matches[1]) ? $matches[1] : null;

    }

    public function getFirefoxVersion()

    {

        if ($this->isWindows()) {

            $cmd = 'reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Mozilla\Mozilla Firefox" | findstr /i CurrentVersion';

            $match = '/REG_SZ[\s]+([0-9.]+)/is';

        } else {

            $cmd = 'firefox --version';

            $match = '/Mozilla Firefox ([0-9.]+)/is';

        }

        $output = new BufferedOutput();

        $process = new Process($cmd, SeleniumSetup::$APP_ROOT_PATH, SeleniumSetup::$APP_PROCESS_ENV, null, null);

        $process->run(function($type, $line) use ($output) {

            $output->write($line);

        });

        preg_match($match, $output->fetch(), $matches);

        return isset($matches[1]) ? $matches[1] : null;

    }

}