…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 parsedvalue actually is a string before passing the parsed value to stringfunctions.

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 parsedvalue actually is a string before passing the parsed value to stringfunctions.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.Seehttps://3v4l.org/r37rYCommits-------a125af7 [PropertyAccess] Fix for PHP 7.0.7

* 2.3:  [PropertyAccess] Fix for PHP 7.0.7Conflicts:src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorCollectionTest.phpsrc/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.phpCommits-------8d4f35d [Routing] Finish annotation loader taking a class constant as a beginning of a class name43c7f9b [Routing] Fix the annotation loader taking a class constant as a beginning of a class name

CS FixesAdd testsAdd docblockFix side effect on FrameworkBundle testsRemove 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/aPointed in#18564 (comment).Very-long-line comment:```phpSymfonyStyle::comment('Lorem ipsum ...');```Before:![](http://image.prntscr.com/image/9190081d7fd740a89d17a7247dbbb244.png)After:![](http://image.prntscr.com/image/109c8c19c1574172bc22199ac90b6dd6.png)Multi-line comment:```phpSymfonyStyle::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