PayWithAmazon\Client::setProxy PHP Method

    public function setProxy($proxy)
    {
        if (!empty($proxy['proxy_user_host'])) {
            $this->config['proxy_host'] = $proxy['proxy_user_host'];
        }
        if (!empty($proxy['proxy_user_port'])) {
            $this->config['proxy_port'] = $proxy['proxy_user_port'];
        }
        if (!empty($proxy['proxy_user_name'])) {
            $this->config['proxy_username'] = $proxy['proxy_user_name'];
        }
        if (!empty($proxy['proxy_user_password'])) {
            $this->config['proxy_password'] = $proxy['proxy_user_password'];
        }
    }