Создание блога

<?php

namespace App\Controllers;

use \App\Models\PostsModel;

class HomePageController
{
    private PostsModel $postModel;

    public function __construct()
    {
        $this->postModel = new PostsModel();
    }

    public function index(): void
    {
        $posts = $this->postModel->getAllPosts();
        require_once VIEWS . '/home.php';
    }
}

require_once __DIR__ . '/../vendor/autoload.php';
require_once __DIR__ . '/bootstrap.php';
require_once __DIR__ . '/../config/constants.php';

$router->get('', [HomePageController::class, 'index']);

<?php

use \App\Classes\ServiceContainer;
use \App\Classes\Db;

$container = new ServiceContainer();

$container->setService(Db::class, function () {
    $db_config = include CONFIG . '/db_config.php';
    return new Db($db_config);
});

$container->setService(HomePageController::class, function ($container) {
    return new HomePageController($container->getService(Db::class));
});

require_once __DIR__ . '/../vendor/autoload.php';
require_once __DIR__ . '/bootstrap.php';
require_once __DIR__ . '/../config/constants.php';
$router->get('', [$container->getService(HomePageController::class), 'index']);

<?php

use \App\Classes;
use \App\Controllers;
use \App\Models;

$container = new Classes\ServiceContainer();

$container->setService(Classes\Db::class, function () {
    $db_config = include CONFIG . '/db_config.php';
    return new Classes\Db($db_config);
});

$container->setService(Models\PostsModel::class, function ($container) {
    return new Models\PostsModel($container->getService(Classes\Db::class));
});

$container->setService(Controllers\HomePageController::class, function ($container) {
    return new Controllers\HomePageController($container->getService(Models\PostsModel::class));
});

class App
{
    private static DB $db;

    public function __construct(protected Router $router, protected array $request, protected Config $config)
    {
        static::$db = new DB($config->db ?? []);
    }

    public static function db(): DB
    {
        return static::$db;
    }

    public function run()
    {
        try {
            echo $this->router->resolve($this->request['uri'], strtolower($this->request['method']));
        } catch (RouteNotFoundException) {
            http_response_code(404);

            echo View::make('error/404');
        }
    }
}

$container = new Container();
$router    = new Router($container);

$router->get('/', [HomeController::class, 'index']);

(new App(
    $router,
    ['uri' => $_SERVER['REQUEST_URI'], 'method' => $_SERVER['REQUEST_METHOD']],
    new Config($_ENV)
))->run();

$router->get('(?P<slug>[a-z0-9-]+)', [Controllers\PostPageController::class, 'index']) - маршрут.

class HttpException extends Exception {}

try {
    // вызов контроллера
} catch (Exception $e) {
    error(
        $e instanceof HttpException ? $e->getCode() : 503,
        $e->getMessage()
    );
}