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PHP MCQs

Given this code: function doSomething( &$arg ) { $return = $arg; $arg += 1; return $return; } $a = 3; $b = doSomething( $a ); what is the value of $a and $b after the function call?

you can't use return twice in a function

$a is 3 and $b is 4

$a is 3 and $b is 3

$a is 4 and $b is 3

Answer

Correct Answer: $a is 4 and $b is 3

Explanation:

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