"require": {
    ...
    "desand/taobao-top-client": "*"
    ...
}

php composer.phar update

$config = array(
    'appkey' => '...',
    'secretKey' => '...'
);

$topClient = new \TaobaoTopClient\TopClient($config);

$shopGetRequest = $topClient->get('ShopGetRequest');
$shopGetRequest->setNick('abc');
$shopGetRequest->setFields('sid,cid,...');

$shopData = $topClient->execute($shopGetRequest, $sessionKey);