SaeTOAuthV2::build_http_query_multi PHP Method

    public static function build_http_query_multi($params)
    {
        if (!$params) {
            return '';
        }
        uksort($params, 'strcmp');
        $pairs = array();
        self::$boundary = $boundary = uniqid('------------------');
        $MPboundary = '--' . $boundary;
        $endMPboundary = $MPboundary . '--';
        $multipartbody = '';
        foreach ($params as $parameter => $value) {
            if (in_array($parameter, array('pic', 'image')) && $value[0] == '@') {
                $url = ltrim($value, '@');
                $content = file_get_contents($url);
                $array = explode('?', basename($url));
                $filename = $array[0];
                $multipartbody .= $MPboundary . "\r\n";
                $multipartbody .= 'Content-Disposition: form-data; name="' . $parameter . '"; filename="' . $filename . '"' . "\r\n";
                $multipartbody .= "Content-Type: image/unknown\r\n\r\n";
                $multipartbody .= $content . "\r\n";
            } else {
                $multipartbody .= $MPboundary . "\r\n";
                $multipartbody .= 'content-disposition: form-data; name="' . $parameter . "\"\r\n\r\n";
                $multipartbody .= $value . "\r\n";
            }
        }
        $multipartbody .= $endMPboundary;
        return $multipartbody;
    }