Ticket #18157: undefined-property-wp_http_curl-headers.diff

wp-includes/class-http.php

@@ -1117 +1117 @@
                                 return new WP_Error('http_request_failed', __('Too many redirects.'));
                 }
 
-                unset( $this->headers );
+                $this->headers = '';
 
                 $response = array();
                 $response['code'] = curl_getinfo( $handle, CURLINFO_HTTP_CODE );