anvodev

//vendor/symfony/http-kernel/HttpKernel.php
<?php
//...

// controller arguments
$arguments = $this->argumentResolver->getArguments($request, $controller);

$event = new ControllerArgumentsEvent($this, $controller, $arguments, $request, $type);
$this->dispatcher->dispatch($event, KernelEvents::CONTROLLER_ARGUMENTS);
$controller = $event->getController();

anvodev

<?php

namespace App\Controller;

use App\Entity\Post;
use App\Review;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;

anvodev

//vendor/symfony/http-kernel/HttpKernel.php
<?php
private function handleRaw(Request $request, int $type = self::MASTER_REQUEST): Response
{
    //...previous stages
        
    // call controller
    $response = $controller(...$arguments);

    // view

anvodev

<?php
//public/index.php

$kernel = new Kernel($_SERVER['APP_ENV'], (bool) $_SERVER['APP_DEBUG']);
$request = Request::createFromGlobals();
$response = $kernel->handle($request);
$response->send();
$kernel->terminate($request, $response);

anvodev

//vendor/symfony/http-kernel/HttpKernel.php
<?php
//...

$this->requestStack->push($request);

// request
$event = new RequestEvent($this, $request, $type);
$this->dispatcher->dispatch($event, KernelEvents::REQUEST);

anvodev

<?php
//...
    
// load controller
if (false === $controller = $this->resolver->getController($request)) {
    throw new NotFoundHttpException(sprintf('Unable to find the controller for path "%s". The route is wrongly configured.', $request->getPathInfo()));
}

$event = new ControllerEvent($this, $controller, $request, $type);
$this->dispatcher->dispatch($event, KernelEvents::CONTROLLER);

anvodev

<?php
// src/Lucky.php

namespace App;

class Lucky
{
    public function getNumber()
    {
        return random_int(1,100);

anvodev

<?php
// src/Controller/DefaultController.php

namespace App\Controller;

use App\Lucky;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\Routing\Annotation\Route;

class DefaultController extends AbstractController

anvodev

# This file is the entry point to configure your own services.
# Files in the packages/ subdirectory configure your dependencies.

# Put parameters here that don't need to change on each machine where the app is deployed
# https://symfony.com/doc/current/best_practices/configuration.html#application-related-configuration
parameters:

services:
    # default configuration for services in *this* file
    _defaults:

anvodev

<?php

namespace App\Entity;

use App\Repository\CustomerRepository;
use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity(repositoryClass=CustomerRepository::class)
 */