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Which of the below statements is equivalent to $add += $add?

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in PHP by (87.1k points)
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

This question was addressed to me in an online interview.

The doubt is from Basics topic in chapter Basics of PHP of PHP

1 Answer

+1 vote
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Best answer
Right answer is (b) $add = $add +$add

The explanation is: a += b is an addition assignment whose outcome is a = a + b. Same can be done with subtraction, multiplication, division etc.

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