HackerRank – Min Max Sum

<?php

function miniMaxSum($arr) {
    // Write your code here
    $tmp = $arr; 
    $result = []; 

    foreach ($arr as $key => $row) { 
        unset($tmp[$key]);
        $result[] = array_sum($tmp);
        $tmp = $arr;
    } 

    echo min($result) . ' ' . max($result);
}

$arr_temp = rtrim(fgets(STDIN));

$arr = array_map('intval', preg_split('/ /', $arr_temp, -1, PREG_SPLIT_NO_EMPTY));

miniMaxSum($arr);