How many times will the function counter() be executed in the following code?

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How many times will the function counter() be executed in the following code?

function counter($start, &$stop)

{

if ($stop> $start)

{

return;

}

counter($start–, ++$stop);

$start= 5;

$stop= 2;

counter($start, $stop);
A . 3
B . 4
C . 5
D . 6

Answer: C

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