Sample Quiz

Question 1

A
B
C
D

Question 2

A
B
C
D

Answer key: 

array(2) {
  ["q1"]=>
  array(0) {
  }
  ["q2"]=>
  string(0) ""
}

User answers: 

array(2) {
  ["q1"]=>
  array(0) {
  }
  ["q2"]=>
  string(0) ""
}