Front Controller? ? ?????? ???? ?? ??? ?? ????? ?? ???? ??? ?????. ???? ??? ??? ?? ?? ???? ?? ?? ?? ??? ?? ?? ????? ?? ????? ??? ?? ??? ??? ?????.

?? ??

1. ?? ???: ?? HTTP ??? ? ?? ??(?: Apache? ?? .htaccess ?? Nginx? ??? ??)? ???? ?? ??(????? index.php)? ???????.
2. ???: ??? ????? URL? ???? ???? ? ?? ??? ?????. ?? ???? ????? ??? ?????/?????? ???? ??? ? ????.
3. ??: ??? ?? ??? ????? ??? ??? ????(??? ?? ???)? ????, ????? ???? ???? ??? ?????.
4. ??: ????? ????? ?????? ?? ???? ??(????? HTML ?? JSON)? ?????.

??

• ?? ???: ?? ?? ?????? ??? ?? ??? ?? ????? ??? ? ?? ???? ??? ? ????.
• ???: ??, ?? ??, ?? ?? ?? ??? ?? ?? ??? ?? ?????.
• ????: ?? ??? ?? ????? ????? ??? ?? ? ????.
• ?????: ?? ???? ??? ??? ???? ??? ?? ????? ??????.

?

???? ??

/app
    /Controllers
        HomeController.php
        ProductController.php
    /Core
        Entrypoint.php
/config
    routes.php
/public
    index.php
/vendor
composer.json

?? ??

PSR-4? ????? ???? ??? ???.json ??? ?????.

{
    "autoload": {
        "psr-4": {
            "App\": "app/"
        }
    }
}

?? ??? ????? ?? ??? ?????.

composer dump-autoload

?? ????

???(.htaccess)

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^ index.php [L]

nginx

server {
    listen 80;
    server_name example.com;

    root /path/to/your/project/public;
    index index.php;

    location / {
        try_files $uri $uri/ /index.php?$query_string;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/var/run/php/php8.2-fpm.sock; # Adjust for your PHP version
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
    }

    location ~* \.(css|js|jpg|jpeg|png|gif|ico|woff|woff2|ttf|svg|eot|ttc|otf|webp|avif)$ {
        expires max;
        log_not_found off;
    }

    location ~ /\.ht {
        deny all;
    }
}

?? ??? ??? ? Nginx? ?? ???? ?? ??? ?????

sudo systemctl reload nginx

????

?????

namespace App\Controllers;

class HomeController {
    public function index(): void {
        echo "Welcome to the home page!";
    }
}

?? ????

namespace App\Controllers;

class ProductController
{
    public function list(): void
    {
        echo "Product list.";
    }
}

??

???

namespace App\Core;

class Entrypoint {

    public function __construct(private array $routes) {
    }

    public function handleRequest(): void {
        $uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);

        if (isset($this->routes[$uri])) {
            $route = $this->routes[$uri];
            $controller = new $route['controller'];
            $method = $route['method'];

            if (method_exists($controller, $method)) {
                $controller->$method();
            } else {
                $this->sendResponse(500, "Method not found.");
            }
        } else {
            $this->sendResponse(404, "Page not found.");
        }
    }

    private function sendResponse(int $statusCode, string $message): void {
        http_response_code($statusCode);
        echo $message;
    }
}

??

??

$routes = [
    '/' => [
        'controller' => 'HomeController',
        'method' => 'index'
    ],
    '/products' => [
        'controller' => 'ProductController',
        'method' => 'list'
    ]
];

???(?? ????)

require_once __DIR__ . '/../vendor/autoload.php';

use App\Core\Entrypoint;

$routes = require __DIR__ . '/../config/routes.php';

$entrypoint = new Entrypoint($routes);
$entrypoint->handleRequest();

??

? ??:

• Front Controller ??? ???? ?? ??? ?? ??????.
• Entrypoint ??? ?? ??? ??? ??????.
• ?? ??? ? ?? ?? ??? ?? PSR-4? ??????.
• ??? ??? ?? Nginx ??? ?????.

? ??? PHP ??? ??: ?? ????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!