Task 33

function orderWeight($str){
$arr = explode(' ', $str);
sort($arr);
foreach ($arr as $value) {
            $summ = 0;
            for ($i=0; $i<strlen($value); $i++) {
            $summ += $value[$i];
            }
    $arrKey[] = $summ;
}
$result = array_map (null, $arrKey, $arr);
asort ($result);
$result = array_map(function($a){ return  $a[1]; },$result);
$s = implode(' ', $result);
return ($s);
}