original_string: public function server($key = null, $default = null)
      {
          $servers = $this->getServerParams();
  
          return is_null($key) ? $servers : data_get($servers, $key, $default);
      }
code: public function server($key = null, $default = null)
      {
          $servers = $this->getServerParams();
  
          return is_null($key) ? $servers : data_get($servers, $key, $default);
      }
code_tokens: public function server ( $ key = null , $ default = null ) { $ servers = $ this -> getServerParams ( ) ; return is_null ( $ key ) ? $ servers : data_get ( $ servers , $ key , $ default ) ; }
docstring: Retrieve a server variable from the request.
  
  @param string            $key
  @param null|array|string $default
  
  @return array|string
docstring_tokens: Retrieve a server variable from the request .