bubbleSort.php

  $numbers[$j + 1]) {
                $temp = $numbers[$j];
                $numbers[$j] = $numbers[$j + 1];
                $numbers[$j + 1] = $temp;
            }
        }
    }
 
    return $numbers;
}
 
$num = array(20, 40, 60, 80, 30, 70, 90, 10, 50, 0);
var_dump(bubbleSort($num));