function removeLayer($layer)
    {
        if (isset($this->configuration[$layer])) {
            $this->configuration[$layer] = array();
            return true;
        }

        return false;
    }
function removeLayer($layer)
    {
        if (isset($this->configuration[$layer])) {
            $this->configuration[$layer] = array();
            return true;
        }

        return false;
    }
function removeLayer ( $ layer ) { if ( isset ( $ this -> configuration [ $ layer ] ) ) { $ this -> configuration [ $ layer ] = array ( ) ; return true ; } return false ; }
Temporarily remove an entire config layer.  USE WITH CARE!

@param string config key
@param string (optional) config layer
@return bool TRUE on success, FALSE on failure

@access public
Temporarily remove an entire config layer . USE WITH CARE!