private function initCurl()
{
$this->ch = curl_init();
curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($this->ch, CURLOPT_HTTPHEADER, $this->headers);
curl_setopt($this->ch, CURLOPT_CUSTOMREQUEST, self::METHOD);
curl_setopt($this->ch, CURLOPT_POSTFIELDS, $this->headers);
}