a:6:{i:0;s:6:"userid";i:1;s:8:"username";i:2;s:5:"catid";i:3;s:2:"id";i:4;s:8:"locktime";s:5:"_type";a:5:{s:6:"userid";s:7:"int(11)";s:8:"username";s:11:"varchar(30)";s:5:"catid";s:11:"smallint(5)";s:2:"id";s:12:"mediumint(8)";s:8:"locktime";s:7:"int(10)";}}