mkdir("step");
mkdir("ball");
if ($txt == "/test") {
    $num1 = rand(1, 30);
    $num2 = rand(30, 60);
    $javob = $num1 + $num2;
    $xato1 = $javob - rand(1, 10);
    $xato2 = $javob + rand(1, 10);
    $answers = array("$xato1", "$xato2", "$javob");
    shuffle($answers);
    $true_id = array_keys($answers, "$javob")[0];
    $bot->request('SendPoll', [
        'chat_id' => $cid,
        'question' => $num1 . " + " . $num2 . " = ??",
        'allows_multiple_answers' => true,
        'type' => 'quiz',
        'explanation' => "To'g'ri javob " . $javob . " edi", //malumot berish
        'open_period' => 10, //javob berish vaqti
        'correct_option_id' => $true_id, //0 dan boshlanadi tog'ri javob varyanti
        'is_anonymous' => false, //anonim bolishi
        'options' => json_encode($answers),
    ]);
    file_put_contents("step/$cid.txt", $true_id);
    file_put_contents("ball/$cid.txt", "0");
}
if (isset($update->poll_answer)) {
    $answer_id = $update->poll_answer->option_ids[0];
    $user = $update->poll_answer->user->id;
    $true_id = file_get_contents("step/$user.txt");
    $ball = file_get_contents("ball/$user.txt");
    if ($answer_id == $true_id) {
        $num1 = rand(1, 30);
        $num2 = rand(30, 60);
        $javob = $num1 + $num2;
        $xato1 = $javob - rand(1, 10);
        $xato2 = $javob + rand(1, 10);
        $answers = array("$xato1", "$xato2", "$javob");
        shuffle($answers);
        $true_id = array_keys($answers, "$javob")[0];
        file_put_contents("step/$user.txt", $true_id);
        $bot->request('SendPoll', [
            'chat_id' => $user,
            'question' => $num1 . " + " . $num2 . " = ??",
            'allows_multiple_answers' => true,
            'type' => 'quiz',
            'explanation' => "To'g'ri javob " . $javob . " edi", //malumot berish
            'open_period' => 10, //javob berish vaqti
            'correct_option_id' => $true_id, //0 dan boshlanadi tog'ri javob varyanti
            'is_anonymous' => false, //anonim bolishi
            'options' => json_encode($answers),
        ]);
        file_put_contents("ball/$user.txt", $ball + 10);
    } else {
        $bot->request('sendmessage', [
            'chat_id' => $user,
            'text' => "Siz $ball to'pladingiz va o'yinni yakunladingiz, Yangi test uchun /test"
        ]);
        unlink("ball/$user.txt");
        unlink("step/$user.txt");
    }
}

<?php
include 'bot.php';

$servername = "localhost";
$username = "your_username";
$password = "your_password";
$dbname = "your_database";

$conn = new mysqli($servername, $username, $password, $dbname);

if ($conn->connect_error) {
    die("Bog'lanishda xatolik yuz berdi: " . $conn->connect_error);
}

switch ($txt) {
    case 'Tasodifiy videolar':
        // Tasodifiy 10 ta video
        $sql = "SELECT * FROM videos ORDER BY RAND() LIMIT 10";
        $result = $conn->query($sql);

        if ($result->num_rows > 0) {
            $i = 1;
            $key = [];

            while ($row = $result->fetch_assoc()) {
                $video_id = $row['video_id'];
                $key[] = ["text" => $i, "callback_data" => $video_id];
                $i++;
            }

            $key = array_chunk($key, 5);
            $key[] = [
                ['text' => '⬅️', 'callback_data' => 'previous'],
                ['text' => '❌️', 'callback_data' => 'close'],
                ['text' => '➡️', 'callback_data' => 'next']
            ];

            $sql = "SELECT * FROM videos ORDER BY RAND() LIMIT 1";
            $f = $conn->query($sql);
            $result = $f->fetch_assoc();
            $video = $result['video_url'];
            $caption = $result['video_caption'];
            $reply_markup = json_encode([
                'inline_keyboard' => $key,
            ]);

            $bot->sendVideo($cid, $video, $caption, $reply_markup);
        }
        break;
}
?>

<?php
function monthFunction($berilganSana) {
    $bugun = new DateTime();
    $berilganSana = new DateTime($berilganSana);
    $farq = $bugun->diff($berilganSana);
    $oylar = $farq->y * 12 + $farq->m;
    $natija = array();
    $oylarMassivi = array(
        "Yanvar", "Fevral", "Mart", "Aprel", "May", "Iyun",
        "Iyul", "Avgust", "Sentyabr", "Oktyabr", "Noyabr", "Dekabr"
    );
    $yillar = array();
    for ($i = 0; $i < $oylar; $i++) {
        $oy = $berilganSana->modify('+1 month')->format('F');
        $yil = date('Y', strtotime($berilganSana->format('Y-m-d')));
        $yillar[$yil][] = $oy;
    }
    $natija["ok"] = true;
    $natija["result"]["month_count"] = $oylar;
    $natija["result"]["month"] = $yillar;
    echo json_encode($natija,JSON_PRETTY_PRINT);
}

monthFunction('2023-01-01');

{
    "ok": true,
    "result": {
        "month_count": 10,
        "month": {
            "2023": [
                "February",
                "March",
                "April",
                "May",
                "June",
                "July",
                "August",
                "September",
                "October",
                "November"
            ]
        }
    }
}

<?php
function bot($method, $datas = [])
{
    $url = "https://api.telegram.org/bot" . API_KEY . "/" . $method;
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $datas);
    $res = curl_exec($ch);
    if (curl_error($ch)) {
        var_dump(curl_error($ch));
    } else {
        return json_decode($res);
    }
}


function approveChatJoinRequest($channel_id, $user_id)
{
    bot('approveChatJoinRequest', [
        'chat_id' => $channel_id,
        'user_id' => $user_id,
    ]);
}
function getChatMember($channel_id, $user_id)
{
    $status = bot('getChatMember', [
        'chat_id' => $channel_id,
        'user_id' => $user_id,
    ]);
    $status = $status->result->status;
    return $status;
}

$update = json_decode(file_get_contents('php://input'));

if (isset($update)) {
    if (isset($update->message)) {
        $message = $update->message;
        $text = $message->text;
        $cid = $message->chat->id;
        $mid = $message->message_id;
    } elseif (isset($update->callback_query)) {
        $data = $update->callback_query->data;
        $mid = $update->callback_query->message->message_id;
        $cid = $update->callback_query->message->chat->id;
    } elseif (isset($update->chat_join_request)) {
        $chname = $update->chat_join_request->chat->title;
        $chuid = $update->chat_join_request->from->id;
        $chid = $update->chat_join_request->chat->id;
        $join = $update->chat_join_request;
    }
}



if (isset($join)) {
    $select = $db->query("SELECT * FROM channels WHERE main_channel=$chid AND secondary_channel IS NOT NULL");
    if ($select->num_rows == 1) {
        $f = $select->fetch_assoc();
        $s_channel = $f['secondary_channel'];
        if (in_array(getChatMember($s_channel, $chuid), ['member', 'administrator', 'creator'])) {
            approveChatJoinRequest($chid, $chuid);
            bot('sendMessage', [
                'chat_id' => $chuid,
                'text' => "Sizning so'rovingiz tasdiqlandi",
                'parse_mode' => "html"
            ]);
        } else {
            file_put_contents("cache/" . $chuid . ".txt", $f['id']);
            bot('sendMessage', [
                'chat_id' => $chuid,
                'text' => "Sizning so'rovingiz tasdiqlanishi uchun $s_channel ga obuna bo'ling, siznign so'rovingiz keyin tasdiqlanadi",
                'parse_mode' => "html",
                'reply_markup' => json_encode([
                    'inline_keyboard' => [
                        [['text' => "✅ Obuna bo'ldim", 'callback_data' => "ok"]]
                    ]
                ])
            ]);
        }
    } else {
        approveChatJoinRequest($chid, $chuid);
        bot('sendMessage', [
            'chat_id' => $chuid,
            'text' => "Sizning so'rovingiz tasdiqlandi",
            'parse_mode' => "html"
        ]);
    }
}


if ($data == "ok") {
    $id = file_get_contents("cache/" . $cid . ".txt");
    $select = $db->query("SELECT * FROM channels WHERE id=$id");
    $f = $select->fetch_assoc();
    $s_channel = $f['secondary_channel'];
    if (in_array(getChatMember($s_channel, $cid), ['member', 'administrator', 'creator'])) {
        $channel_id = $f['main_channel'];
        approveChatJoinRequest($channel_id, $cid);
        bot('sendMessage', [
            'chat_id' => $cid,
            'text' => "Sizning so'rovingiz tasdiqlandi",
            'parse_mode' => "html"
        ]);
    }
}

CREATE TABLE channels (
    id INT AUTO_INCREMENT PRIMARY KEY,
    main_channel VARCHAR(255) NOT NULL,
    secondary_channel VARCHAR(255)
);