32     public $headers = [];  variable in dokuwiki\\HTTP\\HTTPClient
72         if (extension_loaded('zlib')) $this->headers['Accept-encoding'] = 'gzip';
73         $this->headers['Accept'] = 'text/xml,application/xml,application/xhtml+xml,' .
75         $this->headers['Accept-Language'] = 'en-us';
173             isset($this->headers['Accept-encoding']) &&
174             $this->headers['Accept-encoding'] == 'gzip'
176             unset($this->headers['Accept-encoding']);
211         $headers = $this->headers;
212         $headers['Host'] = $uri['host']
214         $headers['User-Agent'] = $this->agent;
215         $headers['Referer'] = $this->referer;
219                 if (empty($headers['Content-Type'])) {
220                     $headers['Content-Type'] = null;
222                 if ($headers['Content-Type'] == 'multipart/form-data') {
223                     $headers['Content-Type'] = 'multipart/form-data; boundary=' . $this->boundary;
226                     $headers['Content-Type'] = 'application/x-www-form-urlencoded';
236             $headers['Content-Length'] = $contentlength;
240             $headers['Authorization'] = 'Basic ' . base64_encode($this->user . ':' . $this->pass);
243 …$headers['Proxy-Authorization'] = 'Basic ' . base64_encode($this->proxy_user . ':' . $this->proxy_…
270 …              if (isset($headers['Proxy-Authentication'])) unset($headers['Proxy-Authentication']);
291             $headers['Connection'] = 'Keep-Alive';
293             $headers['Connection'] = 'Close';
302             $request .= $this->buildHeaders($headers);
777         $headers = [];
786             if (isset($headers[$key])) {
787                 if (is_array($headers[$key])) {
788                     $headers[$key][] = $val;
790                     $headers[$key] = [$headers[$key], $val];
793                 $headers[$key] = $val;
796         return $headers;
802      * @param array $headers
807     protected function buildHeaders($headers)  argument
810         foreach ($headers as $key => $value) {
826         $headers = '';
828             $headers .= "$key=$val; ";
830         $headers = substr($headers, 0, -2);
831         if ($headers) $headers = "Cookie: $headers" . HTTP_NL;
832         return $headers;