Listeners debug Command for Symfony2 console

This bundle provides a simple command container:debug:listeners to allow to easily debug listeners by providing useful information about those defined in the app. It will fetch information about all the listeners tagged with .event_listener

IMPORTANT

Symfony 2.2.X

If you are using this from Symfony <= 2.2, please update your composer.json file to use version=1.4.1 which is the current stable branch for Symfony 2.2.x

Symfony 2.0.X

If you are using this from Symfony 2.0.x, please update your deps file to use version=symfony2.0.x which is the current stable branch for Symfony 2.0.x

Usage

As for any command you should use: app/console from your project root. The command is: app/console container:debug:listeners

Available options

There are 4 available options:

• --show-private : if issued will show also private services
• --event=event.name: if issued will filter to show only the listeners listening to the given name (ordered by descending priority)
• --order-asc: in combination with --event orders them by ascending priority
• --listeners: if issued will filter to show only the listeners (only available since Symfony 2.1.x)
• --subscribers: if issued will filter to show only the subscribers (only available since Symfony 2.1.x)

Sample output (Symfony >= 2.3)

• Output for container:debug:listeners Here
• Output for container:debug:listeners --event=kernel.response Here
• Output for container:debug:listeners listener.id Here
• Output for container:debug:listeners --listeners Here
• Output for container:debug:listeners --subscribers Here

Sample output (Symfony >= 2.1.x <= 2.2.x)

• Output for container:debug:listeners Here
• Output for container:debug:listeners --event=kernel.response Here
• Output for container:debug:listeners listener.id Here
• Output for container:debug:listeners --listeners Here
• Output for container:debug:listeners --subscribers Here

Sample output (Symfony 2.0.x)

• Output for container:debug:listeners Here
• Output for container:debug:listeners --event=kernel.request Here
• Output for container:debug:listeners listener.id Here

Installation and configuration

Get the bundle

Add to your composer.json

##Symfony >= 2.3

{
    "require": {
        "egulias/listeners-debug-command-bundle": "1.9.0"
    }
}

##Symfony >= 2.2

{
    "require": {
        "egulias/listeners-debug-command-bundle": "symfony2.2"
    }
}

Use composer to download the new requirement

$ php composer.phar update egulias/listeners-debug-command-bundle

Add ListenersDebugCommandBundle to your application kernel

<?php

  // app/AppKernel.php
  public function registerBundles()
  {
    return array(
      // ...
      new Egulias\ListenersDebugCommandBundle\EguliasListenersDebugCommandBundle(),
      // ...
      );
  }

##Symfony 2.0.x Add to your /deps file :

[EguliasListenersDebugCommandBundle]
    [email protected]:egulias/ListenersDebugCommandBundle.git
    target=/bundles/Egulias/ListenersDebugCommandBundle
    version=symfony2.0.x

And make a php bin/vendors install.

Register the namespace

<?php

  // app/autoload.php
  $loader->registerNamespaces(array(
      'Egulias' => __DIR__.'/../vendor/bundles',
      // your other namespaces
      ));

Add ListenersDebugCommandBundle to your application kernel

<?php

  // app/AppKernel.php
  public function registerBundles()
  {
    return array(
      // ...
      new Egulias\ListenersDebugCommandBundle\EguliasListenersDebugCommandBundle(),
      // ...
      );
  }