Vaidas D.

<?php
$troskinys = ["Troskinio sudetis" => ["jautiena" => 250, "pupeles" => 500, "vanduo" => 500, "pomidorai" => 300, "paprika" => 100]];

function show($troskinys) {
    foreach ($troskinys["Troskinio sudetis"] as $produktas => $kiekis) {
        echo "<table class='table table-bordered'>
                <thead>
                    <tr>
                        <th>Produktas</th>
                        <th>Kiekis</th>
                    </tr>
                </thead>
                <tbody>
                    <tr>
                        <td>" . $produktas . "</td>
                        <td>" . $kiekis . "</td>
                    </tr>
            </table>";
    }
}

function review($troskinys) {
    foreach ($troskinys["Troskinio sudetis"] as $produktas => $kiekis) {
        $i = rand(0, count($troskinys) - 1);
        echo sprintf("Jautienos receptui mum reikes %u gramu %s, ", $kiekis, $produktas, "taip pat %u gramu %s, ", $kiekis, $produktas, ", %u gramu %s, ", $kiekis, $produktas, ", %u gramu %s ", $kiekis, $produktas, ", ir %u gramu %s!,", $kiekis, $produktas);
    }

}

function svoris($troskinys) {
    $bendras = $troskinys['Troskinio sudetis']['jautiena'] + $troskinys['Troskinio sudetis']['pupeles'] + $troskinys['Troskinio sudetis']['vanduo'] + $troskinys['Troskinio sudetis']['pomidorai'] + $troskinys['Troskinio sudetis']['paprika'];
    echo "Bendrai sudejus visus produktus, svoris yra " . $bendras;
}

function check($troskinys) {
    if ($troskinys["Troskinio sudetis"]["vanduo"] && $troskinys["Troskinio sudetis"]["pupeles"]) {
        echo "Vandens yra nemaziau nei pupeliu!";
    } else {
        echo "Vandens arba pupeliu yra per daug!";
    }
}
?>
<!DOCTYPE html>
<html>
<head>
    <title>Jautienos receptas</title>
    <!-- Latest compiled and minified CSS -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">

    <!-- Optional theme -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">

    <!-- Latest compiled and minified JavaScript -->
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
</head>
<body>
<table class="table">
<?php
show($troskinys);
echo "<br />";
review($troskinys);
echo "<br />";
svoris($troskinys);
echo "<br />";
check($troskinys);
?>
</table>

</body>
</html>