[2.6] Remove possible call_user_func()
[2.3] Remove possible call_user_func()
[2.5] Remove possible call_user_func()
Fixed #12845 adding a listener to an event that is currently being dispatched will not result into a fatal error in TraceableEventDispatcher [EventDispatcher]
[DependencyInjection] backport perf optim

Conflicts:
	src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services11.php
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services19.php
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9.php
	src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php
[DependencyInjection] perf optim: call dirname() at most 5x
[FrameworkBundle][Template name] avoid  error message for the shortcut notation.
bug #12894 [FrameworkBundle][Template name] avoid  error message for the shortcut n... (aitboudad)

This PR was merged into the 2.3 branch.

Discussion
----------

[FrameworkBundle][Template name] avoid  error message for the shortcut n...

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Fixed tickets  | #12249,  #12254
| Tests pass?   | yes
| License       | MIT

Commits
-------

055129c [FrameworkBundle][Template name] avoid  error message for the shortcut notation.
avoid risky tests
fix DumpDataCollectorTest after CS changes

Modify the expected line value which was affected by the move of the
`__LINE__` constant in #12872 to make tests pass again.
Fix missing space in label_attr

``label_attr`` in ``checkbox_radio_label`` is missing a space with ``parent_label_class``
Fixed the proxy-manager version constraint
Fixed the AuthenticationProviderInterface alignment
Fix missing addExpressionLanguageProvider (used by service container to add expression providers)
fix phpdoc's alignment
[WebProfilerBundle] replaced pattern to path attribute in routes definitions.
bug #12913 Fix missing space in label_attr (garak)

This PR was merged into the 2.6 branch.

Discussion
----------

Fix missing space in label_attr

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

``label_attr`` in ``checkbox_radio_label`` is missing a space with ``parent_label_class``

Commits
-------

90b3f3b Fix missing space in label_attr
minor #12903 [TwigBundle] avoid risky tests (xabbuh)

This PR was merged into the 2.6 branch.

Discussion
----------

[TwigBundle] avoid risky tests

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #12646
| License       | MIT
| Doc PR        |

Commits
-------

e7b0b89 avoid risky tests
minor #12905 fix phpdoc's alignment (keradus)

This PR was merged into the 2.5 branch.

Discussion
----------

fix phpdoc's alignment

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | ?
| Fixed tickets | N/A
| License       | MIT
| Doc PR        | N/A

Fix phpdoc's alignment

2.3 fixed by #12887
let fix 2.5 now ;)

Commits
-------

e9ea4c1 fix phpdoc's alignment
[WebProfiler] Tweaked ajax requests toolbar css reset