Php
/
Symfony
- 1 Basics 5
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Quotes S
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Constants S
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Control structures S
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Reference S
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Number systems S
- 2 Variables 4
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Definition S
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Variable variable S
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Exists S
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Type casting S
- 3 Operators 5
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Aritmetic S
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Bitwise S
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String S
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Comparison S
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Logical S
- 4 Function 4
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Definition S
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Anonymous S
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Reference S
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Variable arguments S
- 5 Array 7
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Basics S
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Operations S
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Create S
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Search S
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Modify S
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Sort S
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Storage S
- 6 String 9
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Basics
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Compare
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Search
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Replace
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Format
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Regexp
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Parse
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Formating
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Json
- 7 Streams 6
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File open
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Read file
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Read csv
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File contents
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Context
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Ob_start
- 8 Oop 6
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Object instantiation S
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Class constructor
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Interfaces, abstract
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Resource visibility
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Class constants
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Namespaces
- 9 Features 9
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Autoload
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Class reflection
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Magic methods
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Exceptions S
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Late static binding
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Type hinting
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SPL
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PHPUNIT
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PHAR
- 10 Versions 2
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Php7.4 S
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Php8.0 S
- 11 Http 4
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Headers
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File Uploads
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Cookies
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Sessions
- 12 Design Patterns 4
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Singleton Pattern S
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Observer Pattern
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Strategy Pattern
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Registry
- 13 Modern Php 8
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Composer S
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Slim Framework
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Autoloader
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Package
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Releases
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Generators
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Dependency Injection
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Middleware
- 14 Create Framework 7
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App
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Http Foundation
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Front Controller
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Routing
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Render Controller
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Resolver
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SoC
- 15 Frameworks 4
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Symfony v5
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Laravel v8
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Laminas v3
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Codeigniter v4
- 16 Composer 5
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Guzzle
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Carbon
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Faker
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Math
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Requests
- 17 Symfony 6
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Routes S
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Annotations
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Flex
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Controllers
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Doctrine
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Templating
R
Q
Controllers
We can generate controllers with Simfony Maker.
# To save time, you can install Symfony Maker.
# Then Symfony can generate a new controller class.
composer create-project symfony/skeleton controllers
cd controllers/
composer require doctrine/annotations
composer require --dev symfony/maker-bundle
php bin/console make:controller MyController
# created: src/Controller/MyController.php
# created: templates/my/index.html.twig
symfony server:start
http://localhost:8000/my
# Welcome to your new controller
Request
Request object can be passed as argument.
/**
* MyController
*
* Symfony will pass the Request object to any controller argument
* that is type-hinted with the Request class.
*
* http://localhost:8000/my # Welcome to your new controller
* http://localhost:8000/info?page=3 # Page 3 is Not Ajax
*/
namespace App\Controller;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;
class MyController extends AbstractController
{
#[Route('/my', name: 'my')]
public function index(): Response
{
return $this->json([
'message' => 'Welcome to your new controller!',
'path' => 'src/Controller/MyController.php',
]);
}
#[Route('/info')]
public function info(Request $request): Response
{
$page = $request->query->get('page');
$ajax = $request->isXmlHttpRequest() ? 'Ajax' : 'Not Ajax';
return new Response(
"Page $page is $ajax"
);
}
}
Services
To use a service in a controller type-hint an argument.
/**
* LogController
*
* Symfony comes packed with a lot of usefull classes (services).
* When you need a service in controller ...
* type-hint an argument with its class (or interface) name.
* http://localhost:8000/log/123
* # var/log/dev.log
* # [2022-02-12] app.INFO: We are loggin id 123
*
* http://localhost:8000/setsession # Session foo set
* http://localhost:8000/getsession # Session foo get: bar
*/
namespace App\Controller;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\HttpFoundation\Response;
use Psr\Log\LoggerInterface; # composer require logger
use Symfony\Component\HttpFoundation\Session\SessionInterface;
class LogController extends AbstractController
{
#[Route("/log/{id}")]
public function index($id, LoggerInterface $logger)
{
$logger->info("We are loggin id $id");
return new Response('logging');
}
#[Route("/setsession")]
public function setsession(SessionInterface $session)
{
$session->set('foo', 'bar');
return new Response("Session foo set");
}
#[Route("/getsession")]
public function getsession(SessionInterface $session)
{
$foo = $session->get('foo', 'bar');
return new Response("Session foo get: $foo");
}
}
➥ Questions