how to randomize retrieval of question from database?

Question

.i have the following code:

Answer 1

A potential approach would be:

1. Fetch the question IDs from the database when you detect a new user/on the 1st question via ORDER BY RAND() LIMIT 5 in SQL.

2. Store these in the $_SESSION.

3. Iterate through the question IDs in the $_SESSION, loading the full question data from the DB via the ID.