Symfony in 2019

Transcript

1. Fabien Potencier
   @fabpot
   in 2019
   

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2. How many of are going

   to SymfonyCon Amsterdam?
   

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3. Join us for a week of Symfony,
   November 19-23, at the Beurs
   van Berlage:
   • November 19-20: 2-day pre-
   conference workshops
   • November 21-22: 2-day
   conference (3 tracks and 1
   Unconference)
   • November 23: 1-day Hackday
   Get an exclusive 10% discount on
   your registration using the code:
   SFC19PHPAMS
   Code available until June 26 2019
   amsterdam2019.symfony.com
   

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4. Come to meet the
   international Symfony
   and PHP communities!
   Become a Sponsor of the
   event! Support the
   framework and get
   visibility for your
   company during the
   conference!
   Contact us:
   events@symfony.com
   1,000+ attendees and 30+
   speakers will be there during
   our 2-day conference!
   

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5. Which

   Symfony version(s)

   are you using?
   1.x? 2.x? 3.x? 4.x?
   

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6. What is Symfony 4?
   A new developer experience
   On a rock solid foundation
   From micro-style to monolith and prototypes
   

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7. 
   
   Wired?
   Tired?
   or
   

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8. 
   
   Symfony

   Encore
   Webpack
   Assetic
   

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9. 
   
   Symfony
   Local Web Server
   Built-in

   PHP server
   

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10. Symfony Local Web Server
    $ symfony server:start -d
    # open in the browser
    $ symfony open:local
    # tail the logs
    $ symfony server:log
    

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11. • PHP-FPM (concurrent requests)
    
    • HTTP 2
    
    • TLS
    
    • Local domain names
    
    • No dependencies / single binary (MacOS, Linux, and Windows)
    
    • Manages background commands (Encore, Messenger, ...)
    
    • Consolidated logs (PHP
    , Web server, app, background commands)
    
    • Docker integration (and SymfonyCloud)
    
    • Multiple versions of PHP
    
    • HTTP Link/pre-load/push support
    Symfony
    Local Web Server
    

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12. 12
    https://symfony.com/download
    

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13. $ symfony new demo
    $ symfony new demo --cloud --debug
    # Want to try Symfony 5.0 (dev version)?
    $ symfony new demo --version=dev-master
    Creating a new project
    

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14. 
    
    Symfony
    CLI
    SensioLabs
    Security
    Checker
    

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15. $ symfony security:check
    Does not call

    https://security.symfony.com/
    
    Clones and caches

    https://github.com/FriendsOfPHP/security-advisories/
    

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16. 
    
    Symfony

    Components
    symfony/symfony
    

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17. Symfony 2+/3+
    Monolog Bundle
    SwiftMailer Bundle
    Polyfill Util
    Polyfill PHP 7.0
    Polyfill PHP 5.6
    Polyfill Mbstring
    Polyfill Intl ICU
    Polyfill APCu
    PHPUnit Bridge
    Debug Bundle
    Framework Bundle
    Security Bundle
    Twig Bundle
    WebProfiler Bundle
    WebServer Bundle
    Doctrine Bridge
    Monolog Bridge
    Twig Bridge
    Monolog
    Doctrine (11)
    SecurityChecker
    Generator Bundle
    ParamHandler
    FrameworkExtra Bundle
    Distribution Bundle
    Asset
    BrowserKit
    Cache
    ClassLoader
    Config
    Console
    CssSelector
    Debug
    DependencyInjection
    DomCrawler
    Dotenv
    EventDispatcher
    ExpressionLanguage
    Filesystem
    Finder
    Form
    HttpFoundation
    HttpKernel
    Inflector
    Intl
    Ldap
    OptionsResolver
    Process
    PropertyAccess
    PropertyInfo
    Routing
    Security
    Serializer
    Stopwatch
    Templating
    Translation
    Validator
    VarDumper
    WebLink
    Workflow
    Yaml
    4 bridges
    15 librairies
    11 bundles
    42 components
    SwiftMailer
    

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18. Symfony 4+/5+
    Polyfill Mbstring
    Framework Bundle
    Cache
    Config
    Debug
    DependencyInjection
    Dotenv
    EventDispatcher
    Filesystem
    Finder
    HttpFoundation
    HttpKernel
    Routing
    Yaml
    0 bridges
    1 library
    1 bundle
    13 components
    Flex
    

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19. $ symfony new demo
    # Forms are ❌ disabled as symfony/form is not installed
    $ composer req form
    # Forms are automatically ✅ enabled as symfony/form is installed
    + Auto-configuration
    
    + No manual changes
    
    + Better performance
    

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20. 
    
    Third-party

    Bundles
    with recipes
    Application

    Bundles
    

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21. $ cat src/Controller/DefaultController.php
    App vs Bundles
    src/ is about YOUR code
    

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22. 
    
    Environment
    Variables
    Class Constants
    Parameters n/a
    

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23. Parameter Class constant Environment variable
    Can be provided

    by a third party ("standard")
    ❌ ❌ ✅
    Can be changed

    without cache:clear
    ❌ ❌ ✅
    Easy to use in code ❌ ✅
    Can be changed

    without redeploy
    ❌ ✅
    Can be different

    in dev and prod
    ✅ ❌ ✅
    Can be stored

    outside of a Git repo
    ✅ ❌ ✅
    Rich type support via processors
    Example
    Configure

    behavior
    Configure

    behavior
    Configure

    infrastructure
    

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24. 
    
    Container
    Auto-discovery
    Auto-configuration
    Auto-wiring
    Service

    Configuration
    

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25. $ composer req twig
    Adding Twig
    + Controller as a service
    
    + No manual changes
    
    + No configuration
    
    + Auto-wiring
    Productivity++
    

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26. Never define

    your service again*
    

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27. 
    
    Maker

    Bundle
    Generator

    Bundle
    

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28. $ ./bin/console list make
    Symfony Maker Bundle
    

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29. $ ./bin/console make:controller DefaultController
    Symfony Maker Bundle
    

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30. $ cat src/Controller/DefaultController.php
    Symfony Maker Bundle
    Annotations
    Everything in one file
    

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31. Adding a Twig Extension
    Where do I store
    the Twig extension
    class?
    Which file do I
    need to change to
    register it?
    Which tag do I need
    to use?
    How do I declare a
    tag in YAML?
    Which interface/class
    do I need to implement/
    extend? It’s too complex. What
    about doing it the dirty
    way and do it in the
    controller instead?
    hmm, ok
    

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32. $ ./bin/console make:twig-extension
    Adding a Twig Extension
    Add your logic in the
    generated class…
    DONE!
    

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33. Full Automation works for…
    • Twig extensions
    
    • Event listeners
    
    • Doctrine entities/repositories
    
    • Commands
    
    • Voters
    
    • Registration form system
    
    • …
    

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34. 
    
    Twig

    Templates
    PHP

    Templates
    

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35. You can use PHP templates
    But Twig benefits

    from a fully maintained integration
    

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36. 
    
    Symfony

    Mailer
    Swiftmailer
    

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37. A great example of

    how we leverage

    the "new" Symfony infrastructure
    

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38. I want to send emails

    from my controller
    

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39. $ composer req symfony/mailer
    Sending emails
    use Symfony\Component\Mailer\MailerInterface;
    public function index(MailerInterface $mailer)
    {
    $mailer->send(
    (new Email())
    ->from('fabien@symfony.com')
    ->to('fabien@symfony.com')
    ->subject('Some subject')
    ->text('Some text...')
    );
    MAILER_DSN=smtp://localhost
    + No configuration
    
    + No manual changes
    
    + Auto-wiring
    
    + Env vars
    

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40. I want to send rich emails

    from my controller
    

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41. Sending emails
    use Symfony\Component\Mailer\MailerInterface;
    public function index(MailerInterface $mailer)
    {
    $mailer->send(
    (new TemplatedEmail())
    ->from('fabien@symfony.com')
    ->to('fabien@symfony.com')
    ->subject('Some subject')
    ->htmlTemplate('@emails/welcome.html.twig')
    ->context([
    'city' => 'Tunis'
    ])
    );
    

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42. I want to send rich and responsive emails

    from my controller
    

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43. $ composer req twig/inky-extension twig/cssinliner-extension
    Sending emails
    {% apply inky|inline_css(source("@zurb/stylesheets/main.css")) %}
    
    
    
    
    Symfony Connect
    
    
    
    
    
    
    
    Forgot Your Password?
    
    It happens. Click the link below to reset it.
    Reset Password
    
    unsubscribe here.
    
    
    
    {% endapply %}
    

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44. I want to send rich and responsive emails

    from my controller

    via my provider's API
    

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45. $ composer req mailgun-mailer
    MAILER_DSN=http://$MAILGUN_KEY:$MAILGUN_DOMAIN@mailgun
    Sending emails
    Amazon SES
    Google Gmail
    Mandrill
    Mailgun
    Postmark
    Sendgrid
    

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46. I want to send rich and responsive emails

    from my controller

    via my provider's API

    asynchronously
    

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47. $ composer req messenger
    framework:
    messenger:
    transports:
    email: "doctrine://default"
    routing:
    Symfony\Component\Mailer\Messenger\SendEmailMessage: email
    $ ./bin/console messenger:consume
    $ symfony run -d ./bin/console messenger:consume -vv
    Sending emails
    Go to the background
    

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48. $ symfony server:status
    $ symfony server:log
    Sending emails
    

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49. I want to send rich and responsive emails

    from my controller

    via my provider's API

    asynchronously with AMQP
    

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50. At this point, think about

    how you would do it

    with Symfony 3.4
    
    Here, we have not written

    a single line of code

    and barely changed the configuration
    

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51. We are only using Symfony components
    

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52. I want to send rich and responsive emails

    from my controller

    via my provider's API

    asynchronously with AMQP
    

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53. framework:
    messenger:
    transports:
    email: "%env(RABBITMQ_DSN)%"
    routing:
    Symfony\Component\Mailer\Messenger\SendEmailMessage: email
    $ docker-compose up -d
    Sending emails
    rabbitmq:
    image: rabbitmq
    ports:
    - 5672
    docker-compose.yml
    Symfony Local Web Server

    Env vars "auto-wiring"
    Local port is random
    

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54. I want to send rich and responsive emails

    from my controller

    via my provider's API

    asynchronously with AMQP

    and manage failures gracefully
    

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55. $ composer req symfony/sendgrid-mailer
    MAILER_DSN=http://key:domain@mailgun || http://key@sendgrid
    Sending emails
    

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56. framework:
    messenger:
    transports:
    email:
    dsn: "%env(RABBITMQ_DSN)%"
    retry_strategy:
    max_retries: 3
    routing:
    Symfony\Component\Mailer\Messenger\SendEmailMessage: email
    Sending emails
    

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57. framework:
    messenger:
    failure_transport: failed
    transports:
    failed: 'doctrine://default?queue_name=failed'
    email:
    dsn: "%env(RABBITMQ_DSN)%"
    retry_strategy:
    max_retries: 3
    routing:
    Symfony\Component\Mailer\Messenger\SendEmailMessage: email
    $ symfony server:log
    $ ./bin/console messenger:failed:show
    $ ./bin/console messenger:failed:retry
    Sending emails
    

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58. Sending emails
    

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59. I want to send rich and responsive emails

    from my controller

    via my provider's API

    asynchronously with AMQP

    and manage failures gracefully

    without Docker
    

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60. $ symfony project:init
    $ symfony deploy
    $ symfony log --worker=send_emails all
    Sending emails
    rabbitmq:
    type: rabbitmq:3.7
    disk: 1500
    .symfony/services.yaml
    .symfony.cloud.yaml
    runtime:
    extensions: [ "amqp" ]
    relationships:
    rabbitmq: "rabbitmq:rabbitmq"
    workers:
    send_emails:
    commands:
    start: |
    set -x -e
    (>&2 symfony-deploy)
    bin/console messenger:consume -vv email
    Production ready
    

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61. $ symfony tunnel:open
    Sending emails
    Symfony Local Web Server

    Env vars "auto-wiring"
    .symfony.cloud.yaml
    relationships:
    rabbitmq: "rabbitmq:rabbitmq"
    Development ready
    framework:
    messenger:
    transports:
    email: "%env(RABBITMQ_DSN)%"
    

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62. Experience
    The new
    Components: http-client, messenger, mailer, container, ...
    Concepts: Flex, auto-configuration, env vars, ...
    Tools: Symfony CLI, SymfonyCloud, Docker
    

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63. is a fantastic set of low-level building blocks

    that you can assemble to develop

    powerful high-level features easily
    

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64. What about the future?
    Nobody knows, it depends on you 

    ... so, what have you done so far for Symfony 4.4?
    

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65. HTTP errors without Twig
    Important for API-only applications
    

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66. PHP 7.4 preload support
    Performance FTW
    

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67. A better Security component?
    https://github.com/symfony/symfony/issues/30914

    https://github.com/symfony/symfony/issues/30765
    

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68. ... to be continued
    

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69. Thank you and see you soon!
    

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