Php
/
Create Framework
- 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
Resolver
Lets convert our controller into a proper class, lazy-loaded.
/**
* Front Controller - public/front.php
*
* The render controller is always instantiated,
* even if URL doesn't match the route.
*
* It will be bettter if the controllers are lazy-loaded.
* We will use HttpKernel for that.
*
* Argument resolver getArguments() inspects the controller signature.
* It determines which arguments to pass using PHP reflexion.
*
* ------------------------------------------------------------
*
* composer require symfony/http-foundation
* composer require symfony/routing
* composer require symfony/http-kernel
*
* php -S localhost:8000 public/front.php
*
* http://localhost:8000/isEven/24
* The number is Even
* http://localhost:8000/isEven/123
* The number is Odd
*/
require_once __DIR__.'/../vendor/autoload.php';
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Matcher\UrlMatcher;
use Symfony\Component\Routing\RequestContext;
use Symfony\Component\Routing\Exception\ResourceNotFoundException;
use Symfony\Component\HttpKernel\Controller\ControllerResolver;
use Symfony\Component\HttpKernel\Controller\ArgumentResolver;
$request = Request::createFromGlobals();
$routes = include __DIR__.'/../src/app.php';
$context = new RequestContext();
$context->fromRequest($request);
$matcher = new UrlMatcher($routes, $context);
try {
$request->attributes->add(
$matcher->match($request->getPathInfo())
);
$ctrResolver = new ControllerResolver(); // Look Here
$argResolver = new ArgumentResolver();
$controller = $ctrResolver->getController($request);
$arguments = $argResolver->getArguments($request, $controller);
$response = call_user_func_array(
$controller, $arguments
);
} catch(ResourceNotFoundException $e) {
$response = new Response('Not found', 404);
} catch (Exception $e) {
$response = new Response('An error occured', 500);
}
$response->send();
Class
A controller resolver knows what controller to execute.
/**
* Is Even App - src/app2.php
*
* $_controller can be any valid PHP callback.
*
* A controller resolver knows what controller to execute, based on the Request.
* It supports supports strings composed of a class name followed by two colons.
*/
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Route;
use Symfony\Component\Routing\RouteCollection;
$routes = new RouteCollection();
$routes->add('isEven', new Route('/isEven/{number}', [
'_controller' => 'CheckNumberController::index', // Look Here
]));
class CheckNumberController
{
public function index ($number) // Look Here
{
if ($this->isEven($number)) {
return new Response("The number is Even");
}
return new Response("The number is Odd");
}
public function isEven($number)
{
return $number % 2 == 0;
}
}
return $routes;
➥ Questions