mkdir my-test-project
cd my-test-project
curl -s http://getcomposer.org/installer | php
php composer.phar init -n && php composer.phar require cryptocompress/cryptocompress:dev-master

php composer.phar update

<?php require __DIR__ . '/vendor/autoload.php';
use \CryptoCompress\WebService\Yahoo\Weather, \CryptoCompress\Http\Curl\Pool;
$config = array('url' => 'http://weather.yahooapis.com/forecastrss', 'degree' => Weather::DEGREE_CELSIUS);
$weather = new Weather($config, new Pool());
var_dump($weather->getByCode(Weather::CODE_MUNICH)->current());

<?php require __DIR__ . '/vendor/autoload.php';
$con = new \CryptoCompress\Http\Curl\Connection();
echo $con->getDocument('http://twitter.com/CryptoCompress')
         ->getElementsByTagName('p')->item(3)->textContent;