Q. Which of the below statements is equivalent to $add += $add ? (Solved)
1. $add = $add
2. $add = $add +$add
3. $add = $add + 1
4. $add = $add + $add + 1
- b. $add = $add +$add
1. $add = $add
2. $add = $add +$add
3. $add = $add + 1
4. $add = $add + $add + 1