function restore($name)
    {
        if (array_key_exists($name, $this->requestParams)) {
            $this->params[$name] = $this->requestParams[$name];
        } else {
            $this->delete($name);
        }
    }
function restore($name)
    {
        if (array_key_exists($name, $this->requestParams)) {
            $this->params[$name] = $this->requestParams[$name];
        } else {
            $this->delete($name);
        }
    }
function restore ( $ name ) { if ( array_key_exists ( $ name , $ this -> requestParams ) ) { $ this -> params [ $ name ] = $ this -> requestParams [ $ name ] ; } else { $ this -> delete ( $ name ) ; } }
Restores a GET parameter to the value it had when the page was loaded

@param string
Restores a GET parameter to the value it had when the page was loaded