Cloudinary::cloudinary_api_url PHP 메소드

    public static function cloudinary_api_url($action = 'upload', $options = array())
    {
        $cloudinary = Cloudinary::option_get($options, "upload_prefix", Cloudinary::config_get("upload_prefix", "https://api.cloudinary.com"));
        $cloud_name = Cloudinary::option_get($options, "cloud_name", Cloudinary::config_get("cloud_name"));
        if (!$cloud_name) {
            throw new InvalidArgumentException("Must supply cloud_name in options or in configuration");
        }
        $resource_type = Cloudinary::option_get($options, "resource_type", "image");
        return implode("/", array($cloudinary, "v1_1", $cloud_name, $resource_type, $action));
    }

 function cl_form_tag($callback_url, $options = array())
 {
     $form_options = Cloudinary::option_get($options, "form", array());
     $options["callback_url"] = $callback_url;
     $params = Cloudinary\Uploader::build_upload_params($options);
     $params = Cloudinary::sign_request($params, $options);
     $api_url = Cloudinary::cloudinary_api_url("upload", $options);
     $form = "<form enctype='multipart/form-data' action='" . $api_url . "' method='POST' " . Cloudinary::html_attrs($form_options) . ">\n";
     foreach ($params as $key => $value) {
         $form .= "<input " . Cloudinary::html_attrs(array("name" => $key, "value" => $value, "type" => "hidden")) . "/>\n";
     }
     $form .= "</form>\n";
     return $form;
 }