code: protected function chompLogin(&$url)
      {
          $prefix = '';
          if (preg_match('#^(//)(.*)#', $url, $matches)) {
              $prefix = $matches[1];
              $url    = $matches[2];
          }
          if (preg_match('#^([^/]*)@(.*)#', $url, $matches)) {
              $url   = $prefix . $matches[2];
              $parts = explode(':', $matches[1]);
  
              return array(
                      urldecode($parts[0]),
                      isset($parts[1]) ? urldecode($parts[1]) : false);
          }
          $url = $prefix . $url;
  
          return array(false, false);
      }
docs: Extracts the username and password from the incoming URL. The // prefix will be reattached to
  the URL after the doublet is extracted.
  
  @param string $url    URL so far. The username and password are removed.
  
  @return array         Two item list of username and password. Will urldecode() them.