public function curlPostMultipart($url, $params = array(), $proxy = '') {
        return self::curlPostMultipartAction($url, $params, false, $proxy);
    }
public function curlPostMultipart($url, $params = array(), $proxy = '') {
        return self::curlPostMultipartAction($url, $params, false, $proxy);
    }
public function curlPostMultipart ( $ url , $ params = array ( ) , $ proxy = '' ) { return self :: curlPostMultipartAction ( $ url , $ params , false , $ proxy ) ; }
Prepare cURL resource for multipart POST request.

@param string $url     full or partial endpoint URL.
e.g. "statuses/update_with_media", "https://api.twitter.com/1.1/statuses/update_with_media.json"
@param mixed  $params  1-demensional array or query string.
@param string [$proxy] full proxy URL.
e.g. https://111.222.333.444:8080
@return resource cURL
Prepare cURL resource for multipart POST request .