Which of the below statements is equivalent to $add += $add ?
A
$add = $add
B
$add = $add +$add
C
$add = $add + 1
D
$add = $add + $add + 1
Correct Answer: $add = $add +$add
a += b is an addition assignment whose outcome is a = a + b. Same can be done with subtraction,multiplication,division etc.