in js/plugins/ajax-contact-extend/classes/twitter/EpiOAuth.php [130:139]
protected function httpPost($url, $params = null)
{
$ch = curl_init($url);
$this->addOAuthHeaders($ch, $url, $params['oauth']);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($params['request']));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$resp = $this->curl->addCurl($ch);
return $resp;
}