PHP code example of kaspi / di-container

1. Go to this page and download the library: Download kaspi/di-container library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

kaspi / di-container example snippets


// src/Services/Envelope.php
namespace App\Services;

// Класс для создания сообщения
class Envelope {
    public function subject(string $subject): static {
        // ...
        return $this;
    }
    
    public function message(string $message): static {
        // ...
        return $this;
    }
}

// src/Services/Mail.php
namespace App\Services;

// Сервис отправки почты
class Mail {
    public function __construct(private Envelope $envelope) {}
    
    public function envelop(): Envelope {
        return $this->envelope;
    }
    
    public function send(): bool {
        // отправка сообщения 
    }
}

// src/Models/Post.php
namespace App\Models;

// Модель данных — пост в блоге.
class Post {
    public string $title;
    // ...
}

// src/Controllers/PostController.php
namespace App\Controllers;

use App\Services\Mail;
use App\Models\Post;

// Контроллер для обработки действия.
class  PostController {
    public function __construct(private Mail $mail) {}
    
    public function send(Post $post): bool {
        $this->mail->envelop()
            ->subject('Publication success')
            ->message('Post <'.$post->title.'> was published.');
        return $this->mail->send();
    }
}

use App\Controllers\PostController;
use App\Models\Post;
use Kaspi\DiContainer\DiContainerBuilder;

// Создать контейнер.
$container = (new DiContainerBuilder())
    ->build();

// more code...

// получить класс PostController с внедренным сервисом Mail.
$postController = $container->get(PostController::class);
//Заполняем модель данными.
$post = new Post();
$post->title = 'Publication about DiContainer';
// Выполняем метод `PostController::post()`.
$postController->send($post);

$post = new App\Controllers\PostController(
    new App\Services\Mail(
        new App\Services\Envelope()
    )
);

use App\Controllers\PostController;
use App\Models\Post;

$post = new Post();
$post->title = 'Publication about DiContainer';

// ...

// получить класс PostController с внедренным сервисом Mail и выполнить метод "send"
// с передачей именованного аргумента
$container->call(
    definition: [PostController::class, 'send'],
    post: $post
);


\Kaspi\DiContainer\Interfaces\DiContainerConfigInterface::isUseZeroConfigurationDefinition(): bool;

\Kaspi\DiContainer\Interfaces\DiContainerConfigInterface::isUseAttribute(): bool;

\Kaspi\DiContainer\Interfaces\DiContainerConfigInterface::isSingletonServiceDefault(): bool;

use Kaspi\DiContainer\{DiContainerConfig, DiContainerBuilder};

$diConfig = new DiContainerConfig(
    useZeroConfigurationDefinition: false,
    useAttribute: false,
    isSingletonServiceDefault: true,
);

// передать настройки в построитель контейнера
$container = (new DiContainerBuilder(containerConfig: $diConfig))
    ->build();

use Kaspi\DiContainer\DiContainerBuilder;
use Psr\Container\ContainerInterface;

function testFunc(ContainerInterface $c) {
    return $c;
}

$container = (new DiContainerBuilder())->build();

var_dump($container->call('testFunc') instanceof DiContainer); // true
var_dump($container->call('testFunc') instanceof ContainerInterface); // true

use Kaspi\DiContainer\DiContainerBuilder;
use Psr\Container\ContainerInterface;

class TestClass {
    public function __construct(
        public ContainerInterface $container
    ) {}
}

$container = (new DiContainerBuilder())->build();

var_dump($container->get(TestClass::class)->container instanceof ContainerInterface); // true
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