java -jar selenium-server-standalone-2.52.0.jar

curl -sS https://getcomposer.org/installer | php

php composer.phar require facebook/webdriver

use Facebook\WebDriver\Remote\DesiredCapabilities;
use Facebook\WebDriver\Remote\RemoteWebDriver;
require_once 'vendor/autoload.php';

// This would be the url of the host running the server-standalone.jar
$host = 'http://localhost:4444/wd/hub'; // this is the default

// Set URL
$url = 'https://snippetinfo.net';

// Launch Firefox
$driver = RemoteWebDriver::create($host, DesiredCapabilities::firefox());

$driver->get($url);

echo $driver->getTitle();