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Start your free trialJonathan Tebb
672 PointsWhat does the following code display?
What does the following code display?
$numbers = array(1,2,3,4);
$total = count($numbers);
$sum = 0;
$output = "";
$loop = 0;
foreach($numbers as $number) {
$loop = $loop + 1;
if ($loop < $total) {
$output = $number . $output;
}
}
echo $output;
?>
I think it would help me if I understood what gives $number
in the foreach function a value.
Thanks in advance :)
1 Answer
Sara Masek
Front End Web Development Techdegree Student 11,513 PointsHey Jonathan, in every foreach loop you'll always need a value that acts as a placeholder for the answer you're trying to get, in this case it's a value extracted from the numbers array, which just happens to be named number. Without a value to pass, the loop would just be passing nothing essentially. I hope that helps!
Jonathan Tebb
672 PointsJonathan Tebb
672 PointsThanks Sara! With you clarifying that
$number
is passed a different value in the$numbers
array each loop I was able to understand and answer this. The answer is 6 by the way for any students reading this.