What will be the output of the following PHP code ?$a = 97;switch(?$a) {case "a"

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What will be the output of the following PHP code ?$a = 97;switch(?$a) {case "a":print "hi";break;case 97:print "hello";break;default:print "hi1";}

Options:

A . hi

B . hello

C . hihello

D . hihellohi1

Answer: Option B

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