public static function removeMemorizedValue($fieldId = null)
    {
        if (isset($_SESSION['_FIELDS'])) {
            if (is_null($fieldId)) {
                $_SESSION['_FIELDS'] = null;
                unset($_SESSION['_FIELDS']);
            } else {
                unset($_SESSION['_FIELDS'][$fieldId]);
            }
        }
    }
public static function removeMemorizedValue($fieldId = null)
    {
        if (isset($_SESSION['_FIELDS'])) {
            if (is_null($fieldId)) {
                $_SESSION['_FIELDS'] = null;
                unset($_SESSION['_FIELDS']);
            } else {
                unset($_SESSION['_FIELDS'][$fieldId]);
            }
        }
    }
public static function removeMemorizedValue ( $ fieldId = null ) { if ( isset ( $ _SESSION [ '_FIELDS' ] ) ) { if ( is_null ( $ fieldId ) ) { $ _SESSION [ '_FIELDS' ] = null ; unset ( $ _SESSION [ '_FIELDS' ] ) ; } else { unset ( $ _SESSION [ '_FIELDS' ] [ $ fieldId ] ) ; } } }
Removes the specified fieldId from memory or clears the entire memorized
fields if not set.

@param string $fieldId
Removes the specified fieldId from memory or clears the entire memorized fields if not set .