Question

How to sum array values in a given range with PHP

Answer 1

function sumRangeValues($arr, $from, $to) {
    $sum = 0;
    $size = count($arr);
    for ($i = 0; $i < $size; $i++) {
        if ($i >= $from && $i <= $to) {
            $sum += $arr[$i];
        }
    }
    return $sum;
}
        
$arr = array(3, 6, 0, 9, 1, 2, 8, 7, 4, 17);
$from = 3;
$to = 7;
  
echo sumRangeValues($arr, $from, $to);

 
     
        
/*
run:
        
27
        
*/

 

70+ SQL courses for beginners and professionals