original_string: function _setRefreshTime() 
      {
          if (is_null($this->_lifeTime)) {
              $this->_refreshTime = null;
          } else {
              $this->_refreshTime = time() - $this->_lifeTime;
          }
      }
code: function _setRefreshTime() 
      {
          if (is_null($this->_lifeTime)) {
              $this->_refreshTime = null;
          } else {
              $this->_refreshTime = time() - $this->_lifeTime;
          }
      }
code_tokens: function _setRefreshTime ( ) { if ( is_null ( $ this -> _lifeTime ) ) { $ this -> _refreshTime = null ; } else { $ this -> _refreshTime = time ( ) - $ this -> _lifeTime ; } }
docstring: Compute & set the refresh time
  
  @access private
docstring_tokens: Compute & set the refresh time