MVC ????? ???? ?? PHP?? ??? ??????

MVC(Model-View-Controller)? ??????? ? ?? ?? ??? ?? ??? ???? ????? ???? ?? ???? ???? ?????.

• ??: ??????? ??? ? ???? ??? ?????.
• View: ????? ???? ???? UI(??? ?????)? ?????.
• ????: ??? ? ??? ??? ??? ?? ??? ??? ???? ??? ?????? ?? ??????.

MVC ??? ?? ??? ????? ???? ??????? ?? ??, ?? ? ???? ? ?? ??? ????. ?? ?? ???? ??????? ??? ??? ????? ??? ? ?? ???? ?? ??? ?????.

PHP??? ???, ??, ?????? ???? ???? ???? ??????? ???? MVC ????? ??? ? ????. PHP ???????? MVC? ???? ??? ???????.

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1. MVC ?? ?? ??

??

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

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

??

?? ????? ???? ???? ??? ???. ??????? UI? ???? HTML, CSS, JavaScript? ???? ??? ????. ?? ??????? ???? ???? ????? ??????.

• ??:
  • ??????? ?? ???? ?????.
  • UI ??? ?????.
  • ??? ??? ????? ??? ?? ??? ???? ?? ????.

????

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

• ??:
  • ??? ??(?: ?? ??, ?? ??)? ?????.
  • ??? ??? ?? ??? ???????.
  • ????? ??? ??? ?????.
  • ?????? ??? ?????.

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2. PHP?? MVC ??

PHP?? ?? MVC ????? ??? ?????. ???? ? ?? ??? ??????.

• app/Model/: ?? ???? ?????.
• app/View/: ?? ??(?: HTML ???)? ???? ????.
• app/Controller/: ???? ???? ?????.

?? ??????? ????? ??? ????? ???(????? index.php)? ?????.

1??: ?? ??

?? ???? ???????? ???? ???? ?? ??? ?? ??? ?????. ??? "???" ??? ??? ??? ?????.

?/??/User.php:

<?php

namespace App\Model;

class User
{
    private $db;

    public function __construct($db)
    {
        $this->db = $db;
    }

    // Fetch all users
    public function getAllUsers()
    {
        $query = "SELECT * FROM users";
        $result = $this->db->query($query);
        return $result->fetchAll(PDO::FETCH_ASSOC);
    }

    // Add a new user
    public function addUser($name, $email)
    {
        $query = "INSERT INTO users (name, email) VALUES (:name, :email)";
        $stmt = $this->db->prepare($query);
        $stmt->bindParam(':name', $name);
        $stmt->bindParam(':email', $email);
        return $stmt->execute();
    }
}

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

2??: ? ??

??? ???? ?? ???? ????? HTML? ???? ????. ?? ???? ???? ??? ???? ??? ??? ?????.

?/??/UserListView.php:

<?php

namespace App\View;

class UserListView
{
    public function render($users)
    {
        echo "<h1>User List</h1>";
        echo "<ul>";
        foreach ($users as $user) {
            echo "<li>{$user['name']} - {$user['email']}</li>";
        }
        echo "</ul>";
    }
}

? ??? UserListView ???? ??? ??? ??????. ??????? ???? ???? ???? HTML ???? ?????.

3??: ???? ??

????? ?????? ??? ?? ??? ?(?: ???? ??? ????) ??? ?? ??????.

?/????/UserController.php:

<?php

namespace App\Controller;

use App\Model\User;
use App\View\UserListView;

class UserController
{
    private $userModel;
    private $userView;

    public function __construct(User $userModel, UserListView $userView)
    {
        $this->userModel = $userModel;
        $this->userView = $userView;
    }

    // Fetch users and pass data to the view
    public function listUsers()
    {
        $users = $this->userModel->getAllUsers();
        $this->userView->render($users);
    }
}

UserController ???? User ???? ??? ??? ???? ?? ???? ???? UserListView? ???? ??? ???.

4??: ??? ? ?? ?? ??

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

public/index.php(???):

<?php

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

use App\Controller\UserController;
use App\Model\User;
use App\View\UserListView;

// Database connection (assuming PDO)
$db = new PDO('mysql:host=localhost;dbname=your_database', 'root', '');

// Create instances of the Model, View, and Controller
$userModel = new User($db);
$userView = new UserListView();
$userController = new UserController($userModel, $userView);

// Simple Routing (for example purposes)
if ($_SERVER['REQUEST_URI'] === '/users') {
    $userController->listUsers();
}

? index.php ????? ??? ?????.

1. PDO ?????? ??? ?????.
2. User ??, UserListView ? UserController? ????? ?????.
3. URL? ???? ??? ???? ???(listUsers)? ??? ??????.

5??: ?? ??

Composer? ???? ???? ???? ????? ?????. ??? ?? ???.json ??? ??????? ?? ??? ??? ? ????.

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

composer dump-autoload? ???? ????? ?????.

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3. MVC? PHP ??? ??? ??? ????

PHP?? MVC? ???? ??? ?? ?? ?? ??? ????.

??? ??

MVC? ??? ??? ?????. ?, ???(??), UI(?), ??(????)? ?? ?? ?? ??? ???? ??? ?????. ??? ?? ??????? ?? ????? ?? ??? ? ?????.

?????

???? ??? UI? ???? ???? ?? ??? ??? ?? ?? ??????? ? ??? ???? ?? ? ????. ?? ?? ???? ??(??)? ???? ??? UI(?)? ????? ? ????.

??? ???

MVC? ???? ?? ??? ??? ? ?????. ? ? ????? ??? ??? ???? ? ???? ???? ?? ? ??????.

????

MVC ??????? ?? ??? ???? ?????. ?? ??, ??? ??? ??? ??(?: ????? ??? ??? ??)?? ??? ? ???? ??? ? ??? ???? ???? ?? ? ????.

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4. ??

MVC? PHP ??????? ???? ? ?? ???? ???? ?????. ??? ???? ? ??? ??? ??? ? ?? ?? ???? ???? ? ????. PHP?? MVC ??? ???? ???? ???? ??? ?? ??? ??? ??????? ??? ? ????. ??? ?? ?? ? ??? ?? Composer? ?? ??? ???? ?? ????? ?? ???? ? ????.

MVC ??? ??? PHP ??????? ? ????? ????? ?? ???? ??? ??? ? ????.

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? ??? MVC ???? ?? ? PHP?? ???? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!