$sql = "INSERT INTO `node` VALUES ('80', 'Free', null, '1', null, null, '1', '2'),
('80001', 'aaaa', null, '1', null, null, '80', '3'),
('80002', 'bbbbb', null, '1', null, null, '80', '3'),
('80003', 'ccccc', null, '1', null, null, '80', '3'),
('80004', 'dddd', null, '1', null, null, '80', '3');
INSERT INTO `access` VALUES ('4', '80', '2', '1', null),
('4', '80001', '3', '80', null),
('4', '80002', '3', '80', null),
('4', '80003', '3', '80', null),
('4', '80004', '3', '80', null);"

$planet_obj->execute($sql);