Mine

    public static function __set_state( array $array )    {        // handle old exported states        if ( !array_key_exists( 'properties', $array ) )        {            return new ezcPersistentObjectProperty( $array['columnName'],                                                    $array['propertyName'],                                                    $array['propertyType'] );        }        return new ezcPersistentObjectProperty( $array['properties']['columnName'],                                                $array['properties']['propertyName'],                                                $array['properties']['propertyType'] );    }