Working with functions - Quiz: Understanding foreach loop function

Hi there,

Maybe I have a blond moment here, but I cannot get my head around on one of the quiz questions. The question is to tell, what will be the result of the following code:

<?php $numbers = array(1,2,3,4); $total = count($numbers); $sum = 0; $output = ""; $i = 0;

foreach($numbers as $number) { $i = $i + 1; if ($i < $total) { $sum = $sum + $number; } } echo $sum; ?>

The result which is correct, is "6", but I simply cannot comprehend this one. I'm getting only "5". Maybe I'm missing something? Here is what I would think this foreach loop is doing:

1. loop $i = 0+1 = 1 1 < 4 = proceeding $sum = 0 + 1 = 1

2. loop $i = 1+1 = 2 2 < 4 = proceeding $sum = 1 + 2 = 3

3. loop $i = 2+1 = 3 3 < 4 = proceeding $sum = 3 + 2 = 5

4. loop $i = 3+1 = 4 4 = 4 = not proceeding

End result: $sum = 5

What am I doing wrong here? Thanks for any enlightenment in advance! ;)

Cheers, Alex