Shartlar va sikllar

// Har bir misol qat'iy turlar rejimida ishlaydi.

function bahoniAyt(int $ball): string
{
    if ($ball >= 90) {
        return "a'lo";
    } elseif ($ball >= 70) {
        return "yaxshi";
    } elseif ($ball >= 60) {
        return "qoniqarli";
    }
    return "qoniqarsiz";
}

foreach ([95, 84, 65, 42] as $ball) {
    printf("%3d -> %s\n", $ball, bahoniAyt($ball));
}

echo "\n";
// Uchlik operator - qisqa shart
$soni = 0;
echo "Ombor: " . ($soni > 0 ? "mavjud" : "tugagan") . "\n";

// Zanjir qilib yozmang - o'qib bo'lmaydi
$yosh = 25;
$toifa = $yosh < 18 ? "bola" : ($yosh < 60 ? "kattalar" : "keksa");
echo "Toifa: {$toifa}\n";

function javobMatni(int $kod): string
{
    return match (true) {
        $kod >= 200 && $kod < 300 => "muvaffaqiyat",
        $kod >= 300 && $kod < 400 => "yo'naltirish",
        $kod >= 400 && $kod < 500 => "mijoz xatosi",
        $kod >= 500               => "server xatosi",
        default                   => "noma'lum",
    };
}

function kodNomi(int $kod): string
{
    return match ($kod) {
        200      => "OK",
        301, 302 => "Ko'chirilgan",
        404      => "Topilmadi",
        500      => "Ichki xato",
        default  => "Boshqa",
    };
}

printf("%-6s %-16s %s\n", "KOD", "NOMI", "TOIFA");
echo str_repeat("-", 44) . "\n";
foreach ([200, 301, 404, 500, 418] as $kod) {
    printf("%-6d %-16s %s\n", $kod, kodNomi($kod), javobMatni($kod));
}

echo "\n";
// match QAYTARADI - shuning uchun uni to'g'ridan-to'g'ri tayinlash mumkin
$til = "uz";
$salom = match ($til) {
    "uz" => "Assalomu alaykum",
    "en" => "Hello",
    "ru" => "Zdravstvuyte",
};
echo "Salom: {$salom}\n";

$savat = [
    "Klaviatura" => 350000,
    "Sichqoncha" => 120000,
    "Monitor"    => 2400000,
];

echo "foreach - kalit va qiymat:\n";
foreach ($savat as $nom => $narx) {
    printf("  %-12s %s so'm\n", $nom, number_format($narx, 0, ",", " "));
}

echo "\nfor - aniq marta takrorlash:\n";
for ($i = 1; $i <= 3; $i++) {
    echo "  {$i}-urinish\n";
}

echo "\nwhile - shart rost ekan:\n";
$qoldiq = 100000;
$kun = 0;
while ($qoldiq > 0) {
    $qoldiq -= 30000;
    $kun++;
    if ($qoldiq < 0) {
        $qoldiq = 0;
    }
}
echo "  {$kun} kunda tugadi\n";

echo "\ndo-while - kamida bir marta bajariladi:\n";
$son = 10;
do {
    echo "  qiymat: {$son}\n";
    $son++;
} while ($son < 10);
echo "  (shart yolg'on bo'lsa ham bir marta ishladi)\n";

$buyurtmalar = [
    ["id" => 1, "holat" => "yangi",     "summa" => 450000],
    ["id" => 2, "holat" => "bekor",     "summa" => 120000],
    ["id" => 3, "holat" => "yangi",     "summa" => 890000],
    ["id" => 4, "holat" => "yakunlangan", "summa" => 230000],
    ["id" => 5, "holat" => "yangi",     "summa" => 670000],
];

echo "continue - bekor qilinganlarni o'tkazib yuboramiz:\n";
$jami = 0;
foreach ($buyurtmalar as $b) {
    if ($b["holat"] === "bekor") {
        continue;
    }
    $jami += $b["summa"];
    printf("  #%d %-12s %s\n", $b["id"], $b["holat"],
           number_format($b["summa"], 0, ",", " "));
}
echo "  Jami: " . number_format($jami, 0, ",", " ") . " so'm\n";

echo "\nbreak - birinchi katta buyurtmani topamiz:\n";
foreach ($buyurtmalar as $b) {
    if ($b["summa"] > 500000) {
        echo "  Topildi: #{$b['id']} - " . number_format($b["summa"], 0, ",", " ") . "\n";
        break;
    }
}

echo "\nIchma-ich tsiklda break 2:\n";
$jadval = [[1, 2, 3], [4, 5, 6], [7, 8, 9]];
foreach ($jadval as $qator) {
    foreach ($qator as $katak) {
        if ($katak === 5) {
            echo "  5 topildi - IKKALA tsikldan chiqamiz\n";
            break 2;
        }
        echo "  ko'rildi: {$katak}\n";
    }
}
echo "  tsikldan keyin\n";

<ul class="mahsulotlar">
<?php foreach ($mahsulotlar as $m): ?>
    <li>
        <?= htmlspecialchars($m['nom']) ?>
        <?php if ($m['soni'] > 0): ?>
            <span class="bor">mavjud</span>
        <?php else: ?>
            <span class="yoq">tugagan</span>
        <?php endif; ?>
    </li>
<?php endforeach; ?>
</ul>

$sotuvlar = [
    ["sana" => "2024-09-01", "mahsulot" => "Klaviatura", "soni" => 3,  "narx" => 350000],
    ["sana" => "2024-09-01", "mahsulot" => "Sichqoncha", "soni" => 5,  "narx" => 120000],
    ["sana" => "2024-09-02", "mahsulot" => "Monitor",    "soni" => 1,  "narx" => 2400000],
    ["sana" => "2024-09-02", "mahsulot" => "Klaviatura", "soni" => 2,  "narx" => 350000],
    ["sana" => "2024-09-03", "mahsulot" => "Quloqchin",  "soni" => 12, "narx" => 89000],
];

// Sana bo'yicha guruhlash
$kunlik = [];
foreach ($sotuvlar as $s) {
    $summa = $s["soni"] * $s["narx"];
    $kunlik[$s["sana"]] ??= ["summa" => 0, "soni" => 0];
    $kunlik[$s["sana"]]["summa"] += $summa;
    $kunlik[$s["sana"]]["soni"]  += $s["soni"];
}

ksort($kunlik);

printf("%-12s %8s %16s %s\n", "SANA", "DONA", "SUMMA", "DARAJA");
echo str_repeat("-", 56) . "\n";

$engKatta = max(array_column($kunlik, "summa"));

foreach ($kunlik as $sana => $k) {
    $ulush = (int) round($k["summa"] / $engKatta * 20);
    printf(
        "%-12s %8d %16s %s\n",
        $sana,
        $k["soni"],
        number_format($k["summa"], 0, ",", " "),
        str_repeat("#", $ulush)
    );
}

echo str_repeat("-", 56) . "\n";
$umumiy = array_sum(array_column($kunlik, "summa"));
printf("%-12s %8d %16s\n", "JAMI",
       array_sum(array_column($kunlik, "soni")),
       number_format($umumiy, 0, ",", " "));