// ❌
class OrderService {
    public function create(Request $request): Order {
        return Order::create([
            'user_id' => $request->user()->id,
            'amount'  => $request->amount,
        ]);
    }
}

// ✅
class OrderService {
    public function create(int $userId, float $amount): Order {
        return Order::create([
            'user_id' => $userId,
            'amount'  => $amount,
        ]);
    }
}

// preload.php 
require_once 'src/Config.php';
require_once 'src/UserContext.php';
require_once 'src/RequestPipeline.php';

// config/app.php
class Config
{
    private static array $data = [];
    private static bool $loaded = false;

    public static function load(string $env): void
    {
        if (self::$loaded) {
            return;
        }
        self::$data = parse_ini_file("config/{$env}.ini");
        self::$loaded = true;
    }

    public static function get(string $key): mixed
    {
        return self::$data[$key] ?? null;
    }
}

// src/UserContext.php
class UserContext
{
    private static ?array $current = null;

    public static function set(array $user): void
    {
        self::$current = $user;
    }

    public static function get(): ?array
    {
        return self::$current;
    }

    public static function clear(): void
    {
        self::$current = null;
    }
}

// src/RequestPipeline.php
class RequestPipeline
{
    private static array $middlewareResults = [];

    public static function addResult(string $key, mixed $value): void
    {
        self::$middlewareResults[$key] = $value;
    }

    public static function getResult(string $key): mixed
    {
        return self::$middlewareResults[$key] ?? null;
    }

    public static function reset(): void
    {
        self::$middlewareResults = [];
    }
}

// public/index.php
Config::load($_ENV['APP_ENV'] ?? 'production');

$user = Auth::check($_SERVER['HTTP_AUTHORIZATION'] ?? '');
UserContext::set($user);

RequestPipeline::addResult('ip', $_SERVER['REMOTE_ADDR']);
RequestPipeline::addResult('ua', $_SERVER['HTTP_USER_AGENT'] ?? '');

$app->handle(ServerRequest::fromGlobals());

stream {
    upstream ntp {
        server ntp1.example.com:123 weight=2;
        server ntp2.example.com:123;
    }

    server {
        listen 123 udp;
        proxy_pass ntp;
    }
}

; включаем
opcache.enable=1
opcache.enable_cli=1

; кол-во кешируемых файлов (>= числа файлов в проекте)
opcache.max_accelerated_files=20000

; размер разделяемой памяти (MB)
opcache.memory_consumption=256

; кешируем строки — экономим RAM
opcache.interned_strings_buffer=16

; в продакшне: 0 (не проверять изменения файлов)
opcache.validate_timestamps=0

$status = "0";
 
switch ($status) {
    case 0:  // "0" == 0 → true. Вот и приехали.
        handleInactive();
        break;
    case "active":
        handleActive();
        break;
}

$label = match($code) {
    200, 201 => 'success',
    301, 302 => 'redirect',
    404      => 'not_found',
    default  => 'unknown',
};

// src/Billing/TariffCalculator.php
class TariffCalculator
{
    private static TariffConfig $config;
    private static array $cache = [];

    public static function init(array $rawConfig): void
    {
        self::$config = new TariffConfig($rawConfig);
    }

    public static function calculate(int $userId, int $units): float
    {
        $key = $userId . ':' . $units;

        if (isset(self::$cache[$key])) {
            return self::$cache[$key];
        }

        $price = self::$config->getBasePrice()
            * $units
            * self::$config->getUserMultiplier($userId);

        self::$cache[$key] = $price;

        return $price;
    }

    public static function resetCache(): void
    {
        self::$cache = [];
    }
}

// src/Billing/TariffConfig.php
class TariffConfig
{
    private float $basePrice;
    private array $multipliers;

    public function __construct(array $config)
    {
        $this->basePrice   = (float) $config['base_price'];
        $this->multipliers = $config['multipliers'] ?? [];
    }

    public function getBasePrice(): float
    {
        return $this->basePrice;
    }

    public function getUserMultiplier(int $userId): float
    {
        return $this->multipliers[$userId] ?? 1.0;
    }
}

// bootstrap.php — вызывается один раз при старте воркера
TariffCalculator::init(loadConfigFromDB());

// Где-то в обработчике запроса
$price = TariffCalculator::calculate($user->id, $request->units);