Symfony3 Best Practices from the trenches

Transcript

1. 1.

   None
2. 2.

   About me » PHPBenelux » PFZ » PHPAmersfoort/PHP.FRL » Ingewikkeld

   » phpBB, Zend Framework, Symfony and many more
3. 3.

   Once upon a time...

4. 4.

   None
5. 5.

   Dependency Injection

6. 6.

   Dependency Injection » No hardcoded dependencies » Easily manage and

   update specific classes » Program to contracts, not implementations » Minimize bootstrap code » More testable code
7. 7.

   Dependency Injection class Foo { public function bar() { $coffee

   = new Coffee(); $coffee->init(); return $coffee->drink(); } }
8. 8.

   Dependency Injection $coffee = new Coffee();

9. 9.

   Dependency Injection $coffee->init();

10. 10.

    Dependency Injection class Coffee implements Roastable {} class Foo {

    private $coffee; public function __construct(Roastable $coffee) { $this->coffee = $coffee; } }
11. 11.

    Dependency Injection public function bar() { return $this->coffee->drink(); }

12. 12.

    Dependency Injection parameters: coffee.class: "Coffee" foo.class: "Foo" services: coffee: class:

    "%coffee.class%" foo: class: "%foo.class%" arguments: - "@coffee"
13. 13.

    Dependency Injection class DefaultController { public function fooAction() { $foo

    = $this->container->get('foo'); $foo->bar(); } }
14. 14.

    Dependency Injection class DefaultController { private $foo; public function __construct(Foo

    $foo) { $this->foo = $foo; } public function fooAction() { $this->foo->bar(); } }
15. 15.

    Service layer Or: How Symfony is only implementation

16. 16.

    Service layer » Seperation of concerns » Business logic should

    not be bound to the application » Service layer can be accessed through the service container
17. 17.

    Service layer public function showAction($productId) { $product = $this->getDoctrine() ->getRepository('AppBundle:Product')

    ->find($productId); if (!$product) { throw $this->createNotFoundException( 'No product found for id '.$productId ); } // ... do something, like pass the $product object into a template }
18. 18.

    None
19. 19.

    None
20. 20.

    Service Layer Hexagonal architecture » http://php-and-symfony.matthiasnoback.nl/tags/ hexagonal%20architecture/ » http://protalk.me/the-framework-as-an- implementation-detail

21. 21.

    None
22. 22.

    Documentation

23. 23.

    Documentation » The best starting point for your search »

    Not the ultimate source for information
24. 24.

    Documentation » Google » Stack Overflow » Blogs » IRC

25. 25.

    Documentation » Something missing? Add it yourself! » https://github.com/symfony/symfony-docs

26. 26.

    Documentation » Symfony Rainbow Series by Joshua Thijssen » https://leanpub.com/b/symfonyrainbowseries

27. 27.

    Project Configuration

28. 28.

    Project Configuration Everything in its right place » config*.yml »

    routing*.yml » security.yml » parameters.yml
29. 29.

    None
30. 30.

    Project Configuration XML vs yaml » http://gowat.ch/xmlyml » http://converter.rosstuck.com/

31. 31.

    Choose and Standardize

32. 32.

    Choose » You can do things in multiple ways »

    THIS IS GREAT! » Clarity, readability, maintainability
33. 33.

    Standardize » Configuration: yml, xml, annotations » Controller extends or

    not? » Naming of services, parameters, bundles
34. 34.

    Ready for action?

35. 35.

    Ready for action? » Use bundles correctly » Maximize external

    library usage » Avoid |raw » .gitignore your parameters.yml » Translate! » Log all the things! » Stay up-to-date
36. 36.

    Up-to-date » 2.7 - support until 05/2018, EOL 05/2019 »

    2.8 - support until 11/2018, EOL 11/2019 » 3.0 - support until 07/2016, EOL 01/2017 » Next LTS: 3.4: support until 11/2020, EOL 11/2021
37. 37.

    Questions?

38. 38.

    I Salute You

39. 39.

    I Salute You @skoop leftontheweb.com php.ingewikkeld.net