linslin\yii2\curl\Curl::getInfo PHP Method

    public function getInfo($opt = null)
    {
        if ($this->_curl !== null && $opt === null) {
            return curl_getinfo($this->_curl);
        } elseif ($this->_curl !== null && $opt !== null) {
            return curl_getinfo($this->_curl, $opt);
        } else {
            return [];
        }
    }