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Fabien Potencier d67289ca82 bug #33357 [FrameworkBundle] Fix about command not showing .env vars (brentybh)
This PR was squashed before being merged into the 4.3 branch (closes #33357).

Discussion
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[FrameworkBundle] Fix about command not showing .env vars

Before this fix, `bin/console about` can't properly show `Environment (.env)` section because:
`SYMFONY_DOTENV_VARS` which stores all keys of Dotenv-set env vars, is being fetched via `getenv()`.

However, in Symfony Dotenv 4.3, usage of `putenv()` is deprecated:
d2fa94d259 (diff-a6967492da82dce9ba93bcba3eee0334)
so we can get env vars via `getenv()` only when `new Dotenv(true)`.
In the default shipped `config/bootstrap.php`, there is `new Dotenv(false)` set.

(Maybe related #29131)

| Q             | A
| ------------- | ---
| Branch?       | 4.3 for bug fixes <!-- see below -->
| Bug fix?      | yes
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| BC breaks?    | no     <!-- see https://symfony.com/bc -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| License       | MIT

<!--
Replace this notice by a short README for your feature/bugfix. This will help people
understand your PR and can be used as a start for the documentation.

Additionally (see https://symfony.com/roadmap):
 - Bug fixes must be submitted against the lowest maintained branch where they apply
   (lowest branches are regularly merged to upper ones so they get the fixes too).
 - Features and deprecations must be submitted against branch 4.4.
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Commits
-------

f48f19db91 [FrameworkBundle] Fix about command not showing .env vars
2019-08-30 19:50:45 +02:00
.composer Drop hirak/prestissimo 2016-05-12 07:44:15 -05:00
.github Merge branch '3.4' into 4.3 2019-07-29 18:04:53 +02:00
src/Symfony bug #33357 [FrameworkBundle] Fix about command not showing .env vars (brentybh) 2019-08-30 19:50:45 +02:00
.appveyor.yml Merge branch '3.4' into 4.3 2019-08-27 09:25:30 +02:00
.editorconfig Update .editorconfig 2018-09-06 16:22:56 +02:00
.gitignore Run the phpunit-bridge from a PR 2019-08-02 17:46:19 +02:00
.php_cs.dist Remove superfluous phpdoc tags 2019-08-14 13:59:53 +02:00
.travis.yml Merge branch '3.4' into 4.3 2019-08-27 09:25:30 +02:00
CHANGELOG-4.0.md Merge branch '3.4' into 4.1 2018-08-01 18:22:14 +02:00
CHANGELOG-4.1.md updated CHANGELOG for 4.1.10 2019-01-06 17:16:07 +01:00
CHANGELOG-4.2.md updated CHANGELOG for 4.2.10 2019-06-26 16:19:37 +02:00
CHANGELOG-4.3.md updated CHANGELOG for 4.3.4 2019-08-26 18:47:28 +02:00
CODE_OF_CONDUCT.md Added the Code of Conduct file 2018-10-10 03:13:30 -07:00
composer.json Merge branch '3.4' into 4.3 2019-08-30 14:41:22 +02:00
CONTRIBUTING.md Mention the community review guide 2016-12-18 22:02:35 +01:00
CONTRIBUTORS.md update CONTRIBUTORS for 3.4.31 2019-08-26 18:36:24 +02:00
LICENSE update year in license files 2019-01-01 14:45:19 +01:00
link Merge branch '3.4' into 4.2 2019-05-20 18:15:26 +02:00
phpunit cs fix 2019-08-14 11:39:58 +02:00
phpunit.xml.dist [Cache] Add optimized FileSystem & Redis TagAware Adapters 2019-04-24 07:47:35 +02:00
README.md Merge branch '2.8' into 3.4 2018-05-25 16:50:57 +02:00
UPGRADE-4.0.md Merge branch '3.4' into 4.2 2019-06-06 12:03:46 +02:00
UPGRADE-4.1.md Merge branch '4.0' into 4.1 2018-05-31 12:17:53 +02:00
UPGRADE-4.2.md [Validator] fix deprecation layer of ValidatorBuilder 2019-06-06 19:07:55 +02:00
UPGRADE-4.3.md cs fix 2019-08-13 08:47:41 +02:00
UPGRADE-5.0.md Clarify deprecations for framework.templating 2019-07-23 09:11:32 +02:00

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