public function __construct($merchant_id, $merchant_key, $sandbox = NULL, $currency = NULL)
{
parent::__construct($merchant_id, $merchant_key, $sandbox);
if ($currency) {
$this->currency = (string) $currency;
}
}
public function __construct($merchant_id, $merchant_key, $sandbox = NULL, $currency = NULL)
{
parent::__construct($merchant_id, $merchant_key, $sandbox);
if ($currency) {
$this->currency = (string) $currency;
}
}