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 =…

The correct answer is C. 5. See the full explanation below for the reasoning.

Functions

Question

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);

Options

How the community answered

(46 responses)

A
2% (1)
B
11% (5)
C
83% (38)
D
4% (2)

Topics

#recursion#pass by reference#execution count#post-decrement

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