public function post($url, $header, $content)
{
return $this->curl->exec($url, array(CURLOPT_CUSTOMREQUEST => "POST", CURLOPT_POST => true, CURLOPT_POSTFIELDS => $content, CURLOPT_RETURNTRANSFER => true, CURLOPT_VERBOSE => false, CURLOPT_HEADER => false, CURLOPT_HTTPHEADER => $header));
}