Migrating to Symfony 3.0

•

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Symfony 3.0 focuses on backward compatibility and quality processes. It maintains the continuous upgrade path for applications to seamlessly migrate to newer versions of Symfony. Symfony 3.0 itself does not contain major new features, but rather builds upon the improvements already included in Symfony 2.8 through strict quality standards and processes. These include triggering deprecation notices, continuous integration testing, and guidelines to help third party libraries also maintain backward compatibility when upgrading their dependencies.

Internet

SensioLabs
Migrating
to Symfony 3.0
by @nicolasgrekas

Let me tell you
how Symfony 3.0
was born

Symfony Lifecycle
Release
end of
support
+8 months +14 months +36 months +48 months
end of security
support
end of security
support
end of
support
Standard Releases
(2.4, 2.5, 2.6, 3.0)
LTS Releases
(2.3, 2.7, 2.8)

One monolithic
repo.
+
46 synchronized
components
=

The Backward Compatibility Promise
http://symfony.com/bc

Example: Moving the
FlattenException class

Well... Nothing!
Fabien already
told you

All new features are
already included in
Symfony 2.8
What’s new in Symfony 3?

Continuous Migration Path Before 2.7
•
•
•
•
•
•
• 

Continuous Migration Path Since 2.7
•
•
•
•
•
•
•

It has to work
for Symfony itself,
component by
component

Cross Versions Dependencies
•
o
o ~2.x|~3.0.0

Cross Versions Dependencies
•
o
o ~2.8|~3.0

Symfony 3.0 vient tout juste de sortir. Évidement, la compatibilité PHP7 est au rendez-vous. Et comme pour PHP7, tout a été fait pour que la migration vers ces toutes dernières technologies se fasse le plus simplement possible pour vous. Avec Symfony 3.0, le framework innove en continuité, sans vous obliger à réécrire toute votre application! Comment est-ce possible? Dans cette session, vous découvrirez comment la promesse rétro-compatibilité assure des migrations facilitées. Je vous présenterai également la nouvelle politique de dépréciation commencée avec Symfony 2.7. Ce sont les deux pierres angulaires qui permettent à Symfony de faire le grand écart : motoriser de nombreuses applications stables en production, sans sacrifier l'innovation au sein du framework.

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Migrating to Symfony 3.0

1. SensioLabs Migrating to Symfony 3.0 by @nicolasgrekas

3. Let me tell you how Symfony 3.0 was born

4. components framework +=

5. Highest quality processes =

6. Releasing

7. Symfony Lifecycle Release end of support +8 months +14 months +36 months +48 months end of security support end of security support end of support Standard Releases (2.4, 2.5, 2.6, 3.0) LTS Releases (2.3, 2.7, 2.8)

8. Semantic Versioning http://semver.org

9. Major Minor Patch

10. • o o o • o o • o o

11. One monolithic repo. + 46 synchronized components =

12. Backward Compatibility

13. The Backward Compatibility Promise http://symfony.com/bc

14. Guidelines for Backward Compatibility

15. Example: Moving the FlattenException class

16. Example: Moving the FlattenException class

17. Example: Moving the FlattenException class

18. Example: Moving the FlattenException class

19. Patching process