??!

PHP ??? require ??? ??????? ???? ?? ? ?? ??? ? ?????? ?????. ??? 50? ??? require ?? ?????! PSR-4 ?? ??? ? ??? ??? ????? ???????.

PSR-4 ??(5?)

PSR-4? ??? ?? ?? ?????. ??? ???? GPS? ????? PSR-4? ??????? ???? ???? ????.

?? ??(2?)

1. ???? ??? ??(FQCN): VendorPackageClass. ??? ?? ???? ?????.
2. ???? ??: ??????-???? ???? ? ??? ???? ????.

?? ??(10?)

???? ??:

<code>vendor/
└── jonesrussell/
    └── blog/
        ├── composer.json
        └── src/
            └── Post/
                ├── PostController.php
                └── PostRepository.php</code>

Composer ??(3?)

composer.json:

{
    "name": "jonesrussell/blog",
    "autoload": {
        "psr-4": {
            "JonesRussell\Blog\": "src/"
        }
    }
}

?? ???(2?)

PostController.php:

<?php

namespace JonesRussell\Blog\Post;

class PostController
{
    public function index()
    {
        return ['status' => 'Ready to blog!'];
    }
}

?? ??(5?)

?? ?????? ??:

{
    "autoload": {
        "psr-4": {
            "JonesRussell\Blog\": "src/",
            "JonesRussell\Blog\Tests\": "tests/"
        }
    }
}

??? ??????: (?? ??: src/Core/Database/Connection.php)

<?php

namespace JonesRussell\Blog\Core\Database;

class Connection
{
    private $config;

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

????? ?(5?)

Laravel? Symfony? ????? PSR-4? ?????.

??? ?:

<?php

namespace App\Http\Controllers;

class BlogController extends Controller
{
    public function index()
    {
        return view('blog.index');
    }
}

??? ?:

<?php

namespace App\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;

class BlogController extends AbstractController
{
    public function index(): Response
    {
        return $this->render('blog/index.html.twig');
    }
}

?? ??(3?)

• "???? ?? ? ??" ??: composer dump-autoload? ?????.
• ???? ?? ??: ???? ??? ??????? ????? ?????(???? ??!).

???(2?)

??? test-autoload.php:

<?php

require 'vendor/autoload.php';

$controller = new \JonesRussell\Blog\Post\PostController();
var_dump($controller->index()); // Should output "Ready to blog!"

?? ??

???? PSR-6(??)? ??????. ?? PSR ?? ???? ?????.

???

• PSR-4 ?? ??
• Composer ?? ?? ??
• ??? ?? ???(v0.3.0 - PSR-4 ??)

? ??? PHP? PSR ?? ?? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!