What are the best practices for organizing and modularizing PHP code to improve readability and maintainability?

Organizing and modularizing PHP code involves breaking down the code into smaller, reusable modules or functions, and structuring it in a logical manner to improve readability and maintainability. This can be achieved by following naming conventions, using namespaces, separating concerns, and implementing design patterns such as MVC. 

// Example of organizing and modularizing PHP code using namespaces and separating concerns

// File: controllers/UserController.php
namespace MyApp\Controllers;

class UserController {
    public function index() {
        // Code for displaying user list
    }

    public function show($id) {
        // Code for displaying user details
    }
}

// File: models/UserModel.php
namespace MyApp\Models;

class UserModel {
    public function getUser($id) {
        // Code for retrieving user data from database
    }

    public function updateUser($id, $data) {
        // Code for updating user data in database
    }
}

// File: routes.php
use MyApp\Controllers\UserController;

$router->get('/users', [UserController::class, 'index']);
$router->get('/users/{id}', [UserController::class, 'show']);

Keywords

namespaces autoloading PSR standards MVC architecture code refactoring

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