Club Drupal

    if (!empty($curl_options[CURLOPT_URL])) {

      // Forward XDebug activation if present.

      if (isset($_COOKIE['XDEBUG_SESSION'])) {

        $options = drupal_parse_url($curl_options[CURLOPT_URL]);

        $options += array('query' => array());

        $options['query'] += array('XDEBUG_SESSION_START' => $_COOKIE['XDEBUG_SESSION']);

        $curl_options[CURLOPT_URL] = url($options['path'], $options);

      }

      // cURL incorrectly handles URLs with a fragment by including the

      // fragment in the request to the server, causing some web servers

      // to reject the request citing "400 - Bad Request". To prevent

      // this, we strip the fragment from the request.

      // TODO: Remove this for Drupal 8, since fixed in curl 7.20.0.

      if (strpos($curl_options[CURLOPT_URL], '#')) {

        $original_url = $curl_options[CURLOPT_URL];

        $curl_options[CURLOPT_URL] = strtok($curl_options[CURLOPT_URL], '#');

      }