Exam - 7 January 2018 - 06. Juice Diet

<?php
$raspberries = readline();
$strawberries = readline();
$cherries = readline();
$acceptableJuice = readline();
if($cherries * 15 > $acceptableJuice){
    for($cherries; $cherries * 15 > $acceptableJuice; $cherries--){
        $cherries * 15;
    }
}
$leftForJuice = floatval($acceptableJuice - $cherries * 15);
for($strawberries; $strawberries * 7.5 > $leftForJuice; $strawberries--){
        $strawberries * 7.5;
    }
for($raspberries; $raspberries * 4.5 > $leftForJuice; $raspberries--){
    $raspberries * 4.5;
}
$raspberriesLess = floatval($raspberries);
for($raspberriesLess; ($cherries * 15) + ($strawberries * 7.5) + ($raspberriesLess * 4.5) > $acceptableJuice; $raspberriesLess--){
    $raspberriesLess * 4.5;
}
$totalRaspberries = floatval($raspberries * 4.5);
$totalRaspberriesLess = floatval($raspberriesLess * 4.5);
$totalStrawberries = floatval($strawberries * 7.5);
$totalCherries = floatval($cherries * 15);
if($totalStrawberries + $totalCherries + $totalRaspberriesLess <= $acceptableJuice && $acceptableJuice <= 100){
    echo $raspberries." Raspberries, ". "0 Strawberries, ".$cherries." Cherries.".
            " Juice: ".(floatval($totalRaspberries + $totalCherries))." ml.";
            exit();
}
if($totalRaspberries + $totalStrawberries + $totalCherries >= $acceptableJuice){
    echo $raspberriesLess." Raspberries, ". $strawberries." Strawberries, ".$cherries." Cherries.".
            " Juice: ".(floatval($totalStrawberries + $totalCherries + $totalRaspberriesLess))." ml.";
}