function __construct($key = null, $secret = null, $sessionID = null, $country = null)
{
if (!empty($key)) {
self::$wsKey = $key;
}
if (!empty($secret)) {
self::$wsSecret = $secret;
}
if (!empty($sessionID)) {
$this->sessionID = $sessionID;
}
if (!empty($country)) {
$this->country = $country;
}
if (empty(self::$wsKey) || empty(self::$wsSecret)) {
trigger_error("gsAPI class requires a valid key and secret.", E_USER_ERROR);
}
self::$instance = $this;
}
