original_string: public static function instance($reload = false) {
  
          if (HttpRequest::$instance == null || $reload) {
              HttpRequest::$instance = new HttpRequest ();
          }
  
  
          return HttpRequest::$instance;
      }
code: public static function instance($reload = false) {
  
          if (HttpRequest::$instance == null || $reload) {
              HttpRequest::$instance = new HttpRequest ();
          }
  
  
          return HttpRequest::$instance;
      }
code_tokens: public static function instance ( $ reload = false ) { if ( HttpRequest :: $ instance == null || $ reload ) { HttpRequest :: $ instance = new HttpRequest ( ) ; } return HttpRequest :: $ instance ; }
docstring: Enforce a singleton session object
  
  @return HttpRequest
docstring_tokens: Enforce a singleton session object