TEST CASE 2 JATIS

<?php
$cost = 0;
$carbo_per_day = 400;
$foods = [
    "rice" => [
        "price_per_100" => random_int(7, 12),
        "carbohydrate" => 100,
        "gram" => 28,
    ],
    "corn" => [
        "price_per_100" => random_int(7, 12),
        "carbohydrate" => 100,
        "gram" => 21,
    ],
    "potato" => [
        "price_per_100" => random_int(7, 12),
        "carbohydrate" => 100,
        "gram" => 17,
    ]
];

// print_r($foods);
$price_table = [];
foreach($foods as $name=>$food) {
    $food["name"] = $name;
    $item_needed = ceil($carbo_per_day / $food['carbohydrate']);
    $total_gram_food = $item_needed * $food['gram'];
    $price_buy = ($total_gram_food / 100) * $food['price_per_100'];
    array_push($price_table, ["price_buy_per400_carbo" => $price_buy, "gram_total" => $total_gram_food, "sum_food_needed" => $item_needed, "food" => $food]);
}

asort($price_table);
// print_r($price_table);
$prices_key = array_keys($price_table);
$best_price_key = $prices_key[0];

$output = "Best Lowest Price is " .
    $price_table[$best_price_key]["food"]["name"] .
    " for 400 gram carbohydrat with all total price needed is " .
    $price_table[$best_price_key]["price_buy_per400_carbo"] .
    ". For that price you will get ". $price_table[$best_price_key]["gram_total"] ." grams of " . $price_table[$best_price_key]["food"]["name"];

echo $output;

?>