…nning of a class name

Since the parser is able to return `\DateTime` instances when the
`Yaml::PARSE_DATETIME` flag is passed, we need to ensure that the parsed
value actually is a string before passing the parsed value to string
functions.

This PR was merged into the 3.1 branch.

Discussion
----------

[Yaml] search for colons in strings only

| Q             | A
| ------------- | ---
| Branch?       | 3.1
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #18897
| License       | MIT
| Doc PR        |

Since the parser is able to return `\DateTime` instances when the
`Yaml::PARSE_DATETIME` flag is passed, we need to ensure that the parsed
value actually is a string before passing the parsed value to string
functions.

Commits
-------

0ea2228 [Yaml] search for colons in strings only

This PR was merged into the 2.3 branch.

Discussion
----------

[PropertyAccess] Fix for PHP 7.0.7

| Q             | A
| ------------- | ---
| Branch?       | 2.3
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

This is what break travis currently.
See https://3v4l.org/r37rY

Commits
-------

a125af7 [PropertyAccess] Fix for PHP 7.0.7

* 2.3:
  [PropertyAccess] Fix for PHP 7.0.7

Conflicts:
	src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorCollectionTest.php
	src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorTest.php

* 2.7:
  [PropertyAccess] Fix for PHP 7.0.7

* 2.8:
  [PropertyAccess] Fix for PHP 7.0.7

* 3.0:
  [PropertyAccess] Fix for PHP 7.0.7

…ning of a class name

…t as a beginning of a class name (jakzal, nicolas-grekas)

This PR was merged into the 2.3 branch.

Discussion
----------

[Routing] Fix the annotation loader taking a class constant as a beginning of a class name

| Q             | A
| ------------- | ---
| Branch?       | 2.3
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #18633
| License       | MIT
| Doc PR        | -

Code copy/pasted from ClassMapGenerator.php

Commits
-------

8d4f35d [Routing] Finish annotation loader taking a class constant as a beginning of a class name
43c7f9b [Routing] Fix the annotation loader taking a class constant as a beginning of a class name

CS Fixes

Add tests

Add docblock

Fix side effect on FrameworkBundle tests

Remove useless '\n' from TextDescriptor since comments are block

…ine comments (chalasr)

This PR was merged into the 2.8 branch.

Discussion
----------

[Console] SymfonyStyle: Fix alignment/prefixing of multi-line comments

| Q             | A
| ------------- | ---
| Branch?       | 2.8
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | n/a
| License       | MIT
| Doc PR        | n/a

Pointed in #18564 (comment).

Very-long-line comment:
```php
SymfonyStyle::comment('Lorem ipsum ...');
```

Before:
![](http://image.prntscr.com/image/9190081d7fd740a89d17a7247dbbb244.png)

After:
![](http://image.prntscr.com/image/109c8c19c1574172bc22199ac90b6dd6.png)

Multi-line comment:
```php
SymfonyStyle::comment(['Lorem ipsum...', 'Lorem ipsum...']);
```

Before:
![](http://image.prntscr.com/image/24228f7e89e647b3a5d66fd83c7216cd.png)

After:
![](http://image.prntscr.com/image/fe9320369fad45acab92564f0e5de344.png)

Commits
-------

1c94fea [Console] SymfonyStyle: Fix alignment/prefixing of multi-line comments

* 2.3:
  [Routing] Finish annotation loader taking a class constant as a beginning of a class name
  [Routing] Fix the annotation loader taking a class constant as a beginning of a class name

* 2.7:
  [Routing] Finish annotation loader taking a class constant as a beginning of a class name
  [Routing] Fix the annotation loader taking a class constant as a beginning of a class name

* 2.8:
  [Console] SymfonyStyle: Fix alignment/prefixing of multi-line comments
  [Routing] Finish annotation loader taking a class constant as a beginning of a class name
  [Routing] Fix the annotation loader taking a class constant as a beginning of a class name

* 3.0:
  [Console] SymfonyStyle: Fix alignment/prefixing of multi-line comments
  [Routing] Finish annotation loader taking a class constant as a beginning of a class name
  [Routing] Fix the annotation loader taking a class constant as a beginning of a class name