Correct Implementation of PHP cURL for also sending field type $_FILES

gistfile1.txt

if (!function_exists("getURIData")) {
    
    /* function yonkURIData()
     *
     * 	Get a supporting domain system for the API
     * @author 		Simon Roberts (Chronolabs) simon@labs.coop
     *
     * @return 		float()
     */
    function getURIData($uri = '', $timeout = 25, $connectout = 25, $post = array(), $headers = array())
    {
        if (!function_exists("curl_init"))
        {
            die("Install PHP Curl Extension ie: $ sudo apt-get install php-curl -y");
        }
        $GLOBALS['php-curl'][md5($uri)] = array();
        if (!$btt = curl_init($uri)) {
            return false;
        }
        if (count($post)==0 || empty($post))
            curl_setopt($btt, CURLOPT_POST, false);
            else {
                $uploadfile = false;
                foreach($post as $field => $value)
                    if (substr($value , 0, 1) == '@' && !file_exists(substr($value , 1, strlen($value) - 1)))
                        unset($post[$field]);
                        else
                            $uploadfile = true;
                            curl_setopt($btt, CURLOPT_POST, true);
                            curl_setopt($btt, CURLOPT_POSTFIELDS, http_build_query($post));
                            
                            if (!empty($headers))
                                foreach($headers as $key => $value)
                                    if ($uploadfile==true && substr($value, 0, strlen('Content-Type:')) == 'Content-Type:')
                                        unset($headers[$key]);
                                        if ($uploadfile==true)
                                            $headers[]  = 'Content-Type: multipart/form-data';
            }
            if (count($headers)==0 || empty($headers))
                curl_setopt($btt, CURLOPT_HEADER, false);
                else {
                    curl_setopt($btt, CURLOPT_HEADER, true);
                    curl_setopt($btt, CURLOPT_HTTPHEADER, $headers);
                }
                curl_setopt($btt, CURLOPT_CONNECTTIMEOUT, $connectout);
                curl_setopt($btt, CURLOPT_TIMEOUT, $timeout);
                curl_setopt($btt, CURLOPT_RETURNTRANSFER, true);
                curl_setopt($btt, CURLOPT_VERBOSE, false);
                curl_setopt($btt, CURLOPT_SSL_VERIFYHOST, false);
                curl_setopt($btt, CURLOPT_SSL_VERIFYPEER, false);
                $data = curl_exec($btt);
                $GLOBALS['php-curl'][md5($uri)]['http']['posts'] = $post;
                $GLOBALS['php-curl'][md5($uri)]['http']['headers'] = $headers;
                $GLOBALS['php-curl'][md5($uri)]['http']['code'] = curl_getinfo($btt, CURLINFO_HTTP_CODE);
                $GLOBALS['php-curl'][md5($uri)]['header']['size'] = curl_getinfo($btt, CURLINFO_HEADER_SIZE);
                $GLOBALS['php-curl'][md5($uri)]['header']['value'] = curl_getinfo($btt, CURLINFO_HEADER_OUT);
                $GLOBALS['php-curl'][md5($uri)]['size']['download'] = curl_getinfo($btt, CURLINFO_SIZE_DOWNLOAD);
                $GLOBALS['php-curl'][md5($uri)]['size']['upload'] = curl_getinfo($btt, CURLINFO_SIZE_UPLOAD);
                $GLOBALS['php-curl'][md5($uri)]['content']['length']['download'] = curl_getinfo($btt, CURLINFO_CONTENT_LENGTH_DOWNLOAD);
                $GLOBALS['php-curl'][md5($uri)]['content']['length']['upload'] = curl_getinfo($btt, CURLINFO_CONTENT_LENGTH_UPLOAD);
                $GLOBALS['php-curl'][md5($uri)]['content']['type'] = curl_getinfo($btt, CURLINFO_CONTENT_TYPE);
                curl_close($btt);
                return $data;
    }
}