public function __construct($apiKey, $listID)
{
// handles module registration in UserBase
parent::__construct();
$this->apiKey = $apiKey;
$this->listID = $listID;
$pos = strpos($apiKey, '-');
if ($pos === FALSE) {
throw new MailChimpException("Wrong API key. Expected '-' in it somewhere.");
}
$datacenter = substr($apiKey, $pos + 1);
$this->endpoint = 'http://' . $datacenter . '.api.mailchimp.com/1.3/';
}
