Online Exam in php

[Limno]

Hi,

Can anyone suggest me how to do online exam in php, Here my doubt is, i displayed 1st question with 4 options. But if user click next button, i need to display 2nd question, then 3rd.... goes on. and the user is not allowed to move to the previous question.

with this query, i m displaying 1st question and its options

SELECT * FROM question where cat_id='".$_GET['cat']."' ORDER BY question_id Limit 1

How can i do this..

Thanks in Advance.

[Dormilich]

you could save the current question number in a session var and only this question is allowed to be processed.

[Limno]

How can i know that current question number.

I m inserting question with different category, user test is based on category.

it will be random quesion numbers in database.

[Dormilich]

use the primary key from the database (question_id).