// Create a Client that uses Http protocol to connect to localhost:1081
    $client = \Cube\Client::createHttpClient(array(
        'host' => 'localhost',
        'port' => 1081,
        'secure' => true,
    ));

    $res = $client->metricGet(array(
        'expression' => 'sum(cube_request)',
        'step' => \Cube\Client::INT_ONE_MINUTE,
        'limit' => 100,
    ));

    echo "There were {$res[0]['value']} hits during {$res[0]['time']}";