Symfony 4 - Let's get dangerous

@kunicmarko20 Symfony 4 Let’s get dangerous

@kunicmarko20 Symfony 3.4 - Deprecated features Symfony 4 =

@kunicmarko20 Symfony 3.4 - Deprecated features Symfony 4 = PHP
^5.5 PHP ^7.1

@kunicmarko20 Symfony Flex Symfony 4 ≠

@kunicmarko20 Symfony Flex

@kunicmarko20 • Composer plugin • Replaces Symfony Standard Edition •
Compose your Application • Recipes (Official, Contrib) • Depend on the individual Symfony Components • Bundle-less Application • New Directory structure • Environment Variables • Unified Web Front Controller • Defining compiler passes in the kernel • Symfony 3.3+

@kunicmarko20 Directory Structure

@kunicmarko20 Environment Variables

@kunicmarko20 • Runtime Environment Variables

@kunicmarko20

@kunicmarko20 • Runtime Environment Variables • Deprecated the SYMFONY__ environment
variables

@kunicmarko20 Before After

variables • Advanced environment variables

@kunicmarko20

variables • Advanced environment variables • Dotenv component • No more --env=prod --no-debug

@kunicmarko20 DI Container Changes

@kunicmarko20 • Services are Loaded Automatically • Type-hint instead of
Service id • Controllers are Registered as Services • Auto-tagging with autoconfigure • Services private by Default • Named args • Local service binding

@kunicmarko20

@kunicmarko20 Workflow Component

@kunicmarko20 • Workflow, State Machine • Single/Multiple State • Transitions
• Transition Events

@kunicmarko20

@kunicmarko20 Transition Events • Guard • Leave • Transition •
Enter • Entered • Announce • workflow.[event] • workflow.[workflow].[event] • workflow.[workflow].[event].[transition]

@kunicmarko20

@kunicmarko20 http://symfony-workflow-demo.herokuapp.com

@kunicmarko20 Want to know more? Knowing your state machines https://www.youtube.com/watch?v=S87111sM7y4
by Tobias Nyholm @ SymfonyCon Berlin 2016

@kunicmarko20 Cache Component

@kunicmarko20 • PSR-6: Caching Interface

@kunicmarko20

@kunicmarko20 • PSR-6: Caching Interface • PSR-16: Common Interface for
Caching Libraries

@kunicmarko20

@kunicmarko20 • PSR-6: Caching Interface • PSR-16: Common Interface for
Caching Libraries • Tag-based invalidation

@kunicmarko20

@kunicmarko20 Let’s implement Cache Component

@kunicmarko20 composer require snc/redis-bundle predis/predis

@kunicmarko20

@kunicmarko20 What else has changed?

@kunicmarko20 • User value resolver for controllers

@kunicmarko20 Before

@kunicmarko20 After

@kunicmarko20 • User value resolver for controllers • PHP constants
in YAML files

@kunicmarko20

in YAML files • Project root directory parameter

@kunicmarko20 %kernel.root_dir%/../web/

@kunicmarko20 %kernel.project_dir%/web/

in YAML files • Project root directory parameter • Asset preloading with HTTP/2 Push

@kunicmarko20 Read more: https://dunglas.fr/2017/10/symfony-4-http2-push-and-preloading

in YAML files • Project root directory parameter • Asset preloading with HTTP/2 Push • Import config files with glob patterns

@kunicmarko20

in YAML files • Project root directory parameter • Asset preloading with HTTP/2 Push • Import config files with glob patterns • Lock Component

@kunicmarko20

in YAML files • Project root directory parameter • Asset preloading with HTTP/2 Push • Import config files with glob patterns • Lock component • Deprecated bundle inheritance

in YAML files • Project root directory parameter • Asset preloading with HTTP/2 Push • Import config files with glob patterns • Lock component • Deprecated bundle inheritance • Improved the overriding of templates

@kunicmarko20

in YAML files • Project root directory parameter • Asset preloading with HTTP/2 Push • Import config files with glob patterns • Lock component • Deprecated bundle inheritance • Improved the overriding of templates • Better console exceptions

@kunicmarko20 Before After

in YAML files • Project root directory parameter • Asset preloading with HTTP/2 Push • Import config files with glob patterns • Lock component • Deprecated bundle inheritance • Improved the overriding of templates • Better console exceptions • Lazy commands

@kunicmarko20

in YAML files • Project root directory parameter • Asset preloading with HTTP/2 Push • Import config files with glob patterns • Lock component • Deprecated bundle inheritance • Improved the overriding of templates • Better console exceptions • Lazy commands • Improved comparison constraints

@kunicmarko20

in YAML files • Project root directory parameter • Asset preloading with HTTP/2 Push • Import config files with glob patterns • Lock component • Deprecated bundle inheritance • Improved the overriding of templates • Better console exceptions • Lazy commands • Improved comparison constraints • Groups support for the Valid constraint

in YAML files • Project root directory parameter • Asset preloading with HTTP/2 Push • Import config files with glob patterns • Lock component • Deprecated bundle inheritance • Improved the overriding of templates • Better console exceptions • Lazy commands • Improved comparison constraints • Groups support for the Valid constraint • Argon2i password hasher

@kunicmarko20 Similar Talks • Symfony 4 & Symfony Flex -
Core ideas, features and improvements by Victoria Quirante • Symfony 4 Run-through by Kévin Dunglas • Get ready for Symfony 4 by Christian Flothmann • Getting ready for Symfony 4 by Denis Brumann

@kunicmarko20 The End

Symfony 4 - Let's get dangerous

Symfony 4 - Let's get dangerous

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