PayPal\Auth\Oauth\OAuthRequest::from_request PHP Метод

    public static function from_request($http_method = null, $http_url = null, $parameters = null)
    {
        $scheme = !isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] != "on" ? 'http' : 'https';
        $http_url = $http_url ? $http_url : $scheme . '://' . $_SERVER['HTTP_HOST'] . ':' . $_SERVER['SERVER_PORT'] . $_SERVER['REQUEST_URI'];
        $http_method = $http_method ? $http_method : $_SERVER['REQUEST_METHOD'];
        // We weren't handed any parameters, so let's find the ones relevant to
        // this request.
        // If you run XML-RPC or similar you should use this to provide your own
        // parsed parameter-list
        if (!$parameters) {
            // Find request headers
            $request_headers = OAuthUtil::get_headers();
            // Parse the query-string to find GET parameters
            $parameters = OAuthUtil::parse_parameters($_SERVER['QUERY_STRING']);
            // It's a POST request of the proper content-type, so parse POST
            // parameters and add those overriding any duplicates from GET
            if ($http_method == "POST" && isset($request_headers['Content-Type']) && strstr($request_headers['Content-Type'], 'application/x-www-form-urlencoded')) {
                $post_data = OAuthUtil::parse_parameters(file_get_contents(self::$POST_INPUT));
                $parameters = array_merge($parameters, $post_data);
            }
            // We have a Authorization-header with OAuth data. Parse the header
            // and add those overriding any duplicates from GET or POST
            if (isset($request_headers['Authorization']) && substr($request_headers['Authorization'], 0, 6) == 'OAuth ') {
                $header_parameters = OAuthUtil::split_header($request_headers['Authorization']);
                $parameters = array_merge($parameters, $header_parameters);
            }
        }
        return new OAuthRequest($http_method, $http_url, $parameters);
    }