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Fabien Potencier 433f640247 minor #12216 [FrameworkBundle] [DX] Displays friendly message if the event does not have any registered listeners (matthieuauger)
This PR was submitted for the master branch but it was merged into the 2.7 branch instead (closes #12216).

Discussion
----------

[FrameworkBundle] [DX] Displays friendly message if the event does not have any registered listeners

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

Currently if you run debug:event-dispatcher on an event without registered listeners, the output looks like this

![capture d ecran de 2014-10-13 00 43 26](https://cloud.githubusercontent.com/assets/1172099/4607814/486213e4-5261-11e4-93b3-6ef009c19a05.png)

This PR just add a friendly message like debug:container or debug:router :

![capture d ecran de 2014-10-13 00 44 38](https://cloud.githubusercontent.com/assets/1172099/4607819/7a28a01e-5261-11e4-9b07-d0ca36725da2.png)

Commits
-------

a5628bd Displays friendly message if the event does not have any registered listeners
2015-03-26 13:59:20 +01:00
src/Symfony Displays friendly message if the event does not have any registered listeners 2015-03-26 13:59:20 +01:00
.editorconfig Add EditorConfig File 2012-06-16 14:08:15 +02:00
.gitignore Test with local components instead of waiting for the subtree-splitter when possible 2015-03-05 00:16:30 +01:00
.php_cs CS: Ensure there is no code on the same line as the PHP open tag and it is followed by a blankline 2015-03-24 17:36:00 +01:00
.travis.sh [travis] Do no tar in // 2015-03-13 13:47:20 +01:00
.travis.yml [2.7] add @group legacy 2015-03-13 18:50:01 +01:00
CHANGELOG-2.2.md Merge branch '2.2' into 2.3 2013-12-03 15:51:26 +01:00
CHANGELOG-2.3.md updated CHANGELOG for 2.3.26 2015-03-17 15:16:29 +01:00
CHANGELOG-2.4.md updated CHANGELOG for 2.4.9 2014-09-03 11:50:09 +02:00
CHANGELOG-2.5.md updated CHANGELOG for 2.5.10 2015-02-02 10:26:02 +01:00
CHANGELOG-2.6.md updated CHANGELOG for 2.6.5 2015-03-17 15:58:33 +01:00
composer.json [PhpUnitBridge] do not replace but require-dev in symfony/symfony 2015-03-07 17:28:03 +01:00
CONTRIBUTING.md [2.3] Update CONTRIBUTING.md 2015-02-24 10:01:10 +01:00
CONTRIBUTORS.md update CONTRIBUTORS for 2.3.26 2015-03-17 15:17:33 +01:00
LICENSE Updated copyright to 2015 2015-01-01 13:56:52 +01:00
phpunit.xml.dist Merge branch '2.3' into 2.6 2015-02-24 12:52:21 +01:00
README.md Update README.md to min PHP 5.3.9 2015-01-10 19:20:22 +01:00
UPGRADE-2.1.md Remove aligned '=>' and '=' 2014-10-26 08:30:58 +01:00
UPGRADE-2.2.md Merge branch '2.3' into 2.5 2014-10-01 07:50:18 +02:00
UPGRADE-2.3.md [Doc] Use Markdown syntax highlighting 2014-10-01 07:38:33 +02:00
UPGRADE-2.4.md [Form] Changed (Number|Integer)ToLocalizedStringTransformer::reverseTransform() to do rounding 2013-08-01 17:19:11 +02:00
UPGRADE-2.5.md Merge branch '2.5' into 2.6 2015-01-05 21:59:13 +01:00
UPGRADE-2.6.md Fix grammar 2014-12-30 09:24:50 +01:00
UPGRADE-2.7.md [Serializer] rename exception interface 2015-03-02 10:36:49 +01:00
UPGRADE-3.0.md [Assets] Make templating.helper.assets service available again for BC reasons 2015-03-13 12:07:00 +01:00

README

What is Symfony?

Symfony is a PHP 5.3 full-stack web framework. It is written with speed and flexibility in mind. It allows developers to build better and easy to maintain websites with PHP.

Symfony can be used to develop all kind of websites, from your personal blog to high traffic ones like Dailymotion or Yahoo! Answers.

Requirements

Symfony is only supported on PHP 5.3.9 and up.

Be warned that PHP 5.3.16 has a major bug in the Reflection subsystem and is not suitable to run Symfony (https://bugs.php.net/bug.php?id=62715)

Installation

The best way to install Symfony is to download the Symfony Standard Edition available at http://symfony.com/download.

Documentation

The "Quick Tour" tutorial gives you a first feeling of the framework. If, like us, you think that Symfony can help speed up your development and take the quality of your work to the next level, read the official Symfony documentation.

Contributing

Symfony is an open source, community-driven project. If you'd like to contribute, please read the Contributing Code part of the documentation. If you're submitting a pull request, please follow the guidelines in the Submitting a Patch section and use Pull Request Template.

Running Symfony Tests

Information on how to run the Symfony test suite can be found in the Running Symfony Tests section.