16   protected $curl_ch;  variable in helper_plugin_solr
132       $this->curl_ch = curl_init();
135     curl_setopt($this->curl_ch, CURLOPT_URL, $url);
136     curl_setopt($this->curl_ch, CURLOPT_HTTPHEADER, $header);
137     curl_setopt($this->curl_ch, CURLOPT_RETURNTRANSFER, 1);
139       curl_setopt($this->curl_ch, CURLOPT_POST, 1);
140       curl_setopt($this->curl_ch, CURLOPT_POSTFIELDS, $postfields);
142     curl_setopt($this->curl_ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
143     curl_setopt($this->curl_ch, CURLINFO_HEADER_OUT, 1);
150       'curl' => $this->curl_ch,
155       $evt->data['result'] = curl_exec($this->curl_ch);
156       if (curl_errno($this->curl_ch)) {
157         throw new ConnectionException(curl_error($this->curl_ch));