Simplified "Ensuring the database persistence" example
Simplified "Ensuring the database persistence" example

corrections
fixed repeated verb in cookbook/serializer
executable permissions unset
add missing verb in cookbook/serializer
[Cookbook][Bundles][Remove] Fix a broken link to the API
image tag for assetic management added and fixed a typo
Update monolog.rst

level and bubble are not used to construct handlers of the type "service"
Update monolog.rst

typo
[#3217] Tweaking message to explain how these options are used
Merge branch 'patch-1' of github.com:KoernerWS/symfony-docs into KoernerWS-patch-1

Conflicts:
	cookbook/form/form_collections.rst
Merge pull request #3221 from 77web/fix_repeated_verb_in_cookbook-serializer

fixed repeated verb in cookbook/serializer
Merge branch 'patch-2.2' of github.com:peterkokot/symfony-docs into 2.2
Fix the requirements caution word about bugs in Symfony < 5.3.8
Add a warning about PHP 5.3.16 too
[#3223] Very minor wording change
Merge remote-tracking branch 'origin/2.2' into 2.2
Merge pull request #3227 from iamdto/fix-broken-link

[Cookbook][Bundles][Remove] Fix a broken link to the API
Fixed Typo and better example

There is a $ missing in the JS code.

I also added two lines from the referenced function, to make clear, that you do not have to add it at the beginning of this function but after the first two lines.
Merge remote-tracking branch 'origin/2.2' into 2.2