function setArrayDisscending($arr)
 {
     $result = sortDiscending($arr);
     $this->arr = $result;
     return $this->arr;
 }
            if ($arr[$i] > $arr[$j]) {
                $temp = $arr[$i];
                $arr[$i] = $arr[$j];
                $arr[$j] = $temp;
            }
        }
    }
    return $arr;
}
$arr = array(12, 343, -5, 53, 3);
$result = sortAscending($arr);
print_r($result);
echo "<br>";
//discending code
function sortDiscending(array $arr)
{
    $length = count($arr);
    for ($i = 0; $i < $length; $i++) {
        for ($j = $i; $j < $length; $j++) {
            if ($arr[$i] < $arr[$j]) {
                $temp = $arr[$i];
                $arr[$i] = $arr[$j];
                $arr[$j] = $temp;
            }
        }
    }
    return $arr;
}
//$arr = array(12,343,-5,53,3);
$result = sortDiscending($arr);
print_r($result);