45      * @param array            $options
49     public function __invoke(RequestInterface $request, array $options)  argument
53         if (empty($options['allow_redirects'])) {
54             return $fn($request, $options);
57         if ($options['allow_redirects'] === true) {
58             $options['allow_redirects'] = self::$defaultSettings;
59         } elseif (!is_array($options['allow_redirects'])) {
63             $options['allow_redirects'] += self::$defaultSettings;
66         if (empty($options['allow_redirects']['max'])) {
67             return $fn($request, $options);
70         return $fn($request, $options)
71             ->then(function (ResponseInterface $response) use ($request, $options) {
72                 return $this->checkRedirect($request, $options, $response);
78      * @param array             $options
85         array $options,  argument
94         $this->guardMax($request, $options);
95         $nextRequest = $this->modifyRequest($request, $options, $response);
97         if (isset($options['allow_redirects']['on_redirect'])) {
99                 $options['allow_redirects']['on_redirect'],
107         $promise = $this($nextRequest, $options);
110         if (!empty($options['allow_redirects']['track_redirects'])) {
150     private function guardMax(RequestInterface $request, array &$options)  argument
152         $current = isset($options['__redirect_count'])
153             ? $options['__redirect_count']
155         $options['__redirect_count'] = $current + 1;
156         $max = $options['allow_redirects']['max'];
158         if ($options['__redirect_count'] > $max) {
168      * @param array             $options
175         array $options,  argument
180         $protocols = $options['allow_redirects']['protocols'];
187             ($statusCode <= 302 && !$options['allow_redirects']['strict'])
194         if (isset($options['idn_conversion']) && ($options['idn_conversion'] !== false)) {
195 …   $idnOptions = ($options['idn_conversion'] === true) ? IDNA_DEFAULT : $options['idn_conversion'];
204         if ($options['allow_redirects']['referer']