Cataloging Symfony

Symfony has grown a lot since its inception. Between 2.0 and the current 5.3 release over 25 components were added. In our talk we want to take a look at these components, group them into layers and then discuss common principles for components in these layers. At the heart of this discussion are package design principles.

This knowledge will not only help you better understand how Symfony is built and how to use these components standalone (or possibly not), it will also help you design better applications and libraries yourself.

Transcript

1. Cartographing Symfony Making sense of the Symfony Components when used standalone or in full-stack
2. Christian Flothmann @xabbuh Denis Brumann @dbrumann
3. Symfony 2.0 Full List of Components BrowserKit ClassLoader Config Console CssSelector DependencyInjection DomCrawler EventDispatcher Filesystem Finder Form HttpFoundation HttpKernel Locale Process Routing Security Serializer Templating Translation Validator Yaml
4. Symfony 2.0 Full List of Components BrowserKit ClassLoader Config Console CssSelector DependencyInjection DomCrawler EventDispatcher Filesystem Finder Form HttpFoundation HttpKernel Locale Process Routing Security Serializer Templating Translation Validator Yaml 22 components
5. Symfony 5.3 Full List of Components Asset BrowserKit Cache Config Console CssSelector DependencyInjection DomCrawler Dotenv ErrorHandler EventDispatcher ExpressionLanguage Filesystem Finder Form HttpClient HttpFoundation HttpKernel Inflector Intl Ldap Lock Mailer Messenger Mime Notifier OptionsResolver PasswordHasher Process PropertyAccess PropertyInfo RateLimiter Routing Runtime Security Semaphore Serializer Stopwatch String Templating Translation Uid Validator VarDumper VarExporter WebLink Workflow Yaml
6. Symfony 5.3 Full List of Components Asset BrowserKit Cache Config Console CssSelector DependencyInjection DomCrawler Dotenv ErrorHandler EventDispatcher ExpressionLanguage Filesystem Finder Form HttpClient HttpFoundation HttpKernel Inflector Intl Ldap Lock Mailer Messenger Mime Notifier OptionsResolver PasswordHasher Process PropertyAccess PropertyInfo RateLimiter Routing Runtime Security Semaphore Serializer Stopwatch String Templating Translation Uid Validator VarDumper VarExporter WebLink Workflow Yaml 28 NEW components
 *compared to Symfony 2.0
7. application features framework features utility features core features
8. application features framework features utility features thin wrapper for PHP features self contained improve usability/DX/interop
9. Core Features Asset BrowserKit Cache Config CssSelector DependencyInjection DomCrawler Console ErrorHandler EventDispatcher ExpressionLanguage Filesystem DotEnv Form HttpClient HttpFoundation Inflector Intl Ldap HttpKernel Mailer Messenger Mime Notifier Lock Finder Process PropertyAccess PropertyInfo Routing Security Semaphore RateLimiter Stopwatch String Templating Translation Serializer OptionsResolver VarExporter Weblink Workflow VarDumper Uid Validator Yaml Runtime PasswordHasher
10. core features application features framework features utility features
11. core features application features framework features provides basic features few dependencies shared functionality
12. Utility Features Asset BrowserKit Cache Config CssSelector DependencyInjection DomCrawler Console ErrorHandler EventDispatcher ExpressionLanguage Filesystem DotEnv Form HttpClient HttpFoundation Inflector Intl Ldap HttpKernel Mailer Messenger Mime Notifier Lock Finder Process PropertyAccess PropertyInfo Routing Security Semaphore RateLimiter Stopwatch String Templating Translation Serializer OptionsResolver VarExporter Weblink Workflow VarDumper Uid Validator Yaml Runtime PasswordHasher
13. core features utility features framework features application features
14. core features utility features framework features high level functionality extendable help building app-features
15. Application Features Asset BrowserKit Cache Config CssSelector DependencyInjection DomCrawler Console ErrorHandler EventDispatcher ExpressionLanguage Filesystem DotEnv Form HttpClient HttpFoundation Inflector Intl Ldap HttpKernel Mailer Messenger Mime Notifier Lock Finder Process PropertyAccess PropertyInfo Routing Security Semaphore RateLimiter Stopwatch String Templating Translation Serializer OptionsResolver VarExporter Weblink Workflow VarDumper Uid Validator Yaml Runtime PasswordHasher
16. core features utility features application features framework features
17. core features utility features application features provide configurability customizable help run the application
18. Framework Features Asset BrowserKit Cache Config CssSelector DependencyInjection DomCrawler Console ErrorHandler EventDispatcher ExpressionLanguage Filesystem DotEnv Form HttpClient HttpFoundation Inflector Intl Ldap HttpKernel Mailer Messenger Mime Notifier Lock Finder Process PropertyAccess PropertyInfo Routing Security Semaphore RateLimiter Stopwatch String Templating Translation Serializer OptionsResolver VarExporter Weblink Workflow VarDumper Uid Validator Yaml Runtime PasswordHasher
19. provide configurability customizable help run the application high level functionality extendable help building app-features provides basic features few dependencies shared functionality thin wrapper for PHP features self contained improve usability/DX/interop
20. 12.534 37.103 9.720 15.659
21. 12.534 37.103 9.720 15.659 75.016
22. core features utility features application features framework features
23. core features utility features application features framework features less
 coupled more
 coupled
24. core features utility features application features framework features easier
 to set up harder to set up
25. core features utility features application features framework features easier
 to set up harder to set up
26. core features utility features application features framework features easier
 to set up harder to set up
27. core features utility features application features framework features easier
 to set up harder to set up
28. core features utility features application features framework features easier to use
 standalone harder to use
 standalone
29. core features utility features application features framework features easier to use
 standalone harder to use
 standalone
33. Symfony 2.8 Assets ExpressionLanguage Intl Ldap OptionsResolver PropertyInfo
34. Symfony 3.4 Cache DotEnv Inflector WebLink Workflow
35. Symfony 4.4 ErrorHandler HttpClient Mailer Messenger Mime Notifier VarExporter
36. Symfony 5.3 PasswordHasher RateLimiter Runtime Semaphore String Uid
37. Decoupled?! Using Symfony Components standalone is really difficult!
41. Where is Waldo? Why doesn’t Symfony have feature X, Y or Z?
43. Extract components & reuse Evolve abstractions & solidify contracts Identify shared functionalities Start with everything
 in one place
44. Thank You!