Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/teacher.php
Line Number: 133
Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/teacher.php
Line Number: 134
Severity: Notice
Message: Trying to get property of non-object
Filename: models/teacher_model.php
Line Number: 88
Error Number: 1064
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'order by order_id,id DESC' at line 1
select * from teachers where class_id= order by order_id,id DESC