* 4.2:
[Cache] replace getNsSeparator by NS_SEPARATOR on AbstractTrait
[Cache] fix versioning with SimpleCacheAdapter
Fix expired lock not cleaned
[HttpFoundation] Fix SA/phpdoc JsonResponse
SimpleCacheAdapter fails to cache any item if a namespace is used
validate composite constraints in all groups
[Serializer] Handle true and false appropriately in CSV encoder
Fix binary operation `+`, `-` or `*` on string
[VarDumper] fix dumping objects that implement __debugInfo()
[Routing] fix absolute url generation when scheme is not known
* 3.4:
Fix expired lock not cleaned
[HttpFoundation] Fix SA/phpdoc JsonResponse
SimpleCacheAdapter fails to cache any item if a namespace is used
validate composite constraints in all groups
[Serializer] Handle true and false appropriately in CSV encoder
Fix binary operation `+`, `-` or `*` on string
[VarDumper] fix dumping objects that implement __debugInfo()
[Routing] fix absolute url generation when scheme is not known
This PR was merged into the 4.1-dev branch.
Discussion
----------
[Serializer] add a constructor arguement to return csv always as collection
| Q | A
| ------------- | ---
| Branch? | 4.1
| Bug fix? | yes
| New feature? | no <!-- don't forget to update src/**/CHANGELOG.md files -->
| BC breaks? | no
| Deprecations? | no <!-- don't forget to update UPGRADE-*.md files -->
| Tests pass? | yes
| Fixed tickets | #21616
| License | MIT
| Doc PR | TODO create a doc PR for the 3 ways of getting csv collection, or a single
Coding in the train again ;).
![img_9980](https://user-images.githubusercontent.com/3451634/33417042-f13063e4-d59f-11e7-8f30-143da768b1d7.JPG)
This is to be able to add a new behaviour to the csv encoder when passing the alwaysAsCollection context key, this will return a collection even if there is only one element.
Commits
-------
d19d05dc5d [Serializer] add a context key to return csv always as collection