service container symfony php main method

<?php
// src/BlogBundle/Service/PostTest
namespace BlogBundle\Service;

use BlogBundle\Entity\Post;
use BlogBundle\Repository\PostRepository;

class PostTest
{
    /** @var PostRepository */
    private $repository;
    /** @var SubscriberNotifier */
    private $notifier;

    function __construct(PostRepository $repository, SubscriberNotifier $notifier)
    {
        $this->repository = $repository;
        $this->notifier = $notifier;
    }

    public function create(Post $post)
    {
        $this->repository->persist($post);
        $this->notifier->notifyCreate($post);
    }
}




https://github.com/shfx17