How to think over the logic of php tests in yii?

Question

Yii

Hello! Faced with the task, the customer asked to create a module for his site. yii project.
The module consists of "tests", questions are shown, and below are the answers. I can’t figure out how to implement this, how to check the selected option, how to make a shuffle of answer options?
Good people, guide me on the right path. Thank you!

Answer 1

how to check the selected option

Operator ===

Answer 2

I can throw off the js script, my test. see if you can do something similar
krug.96.lt/testirovanie.php?id=2 My
questions are taken from the database. They get stuck in the admin. I can also drop the db table