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CHANGELOG.md	ab1334c0cf the whole shebang	10 anni fa
ContainerAwareEventDispatcher.php	ab1334c0cf the whole shebang	10 anni fa
Event.php	ab1334c0cf the whole shebang	10 anni fa
EventDispatcher.php	ab1334c0cf the whole shebang	10 anni fa
EventDispatcherInterface.php	ab1334c0cf the whole shebang	10 anni fa
EventSubscriberInterface.php	ab1334c0cf the whole shebang	10 anni fa
GenericEvent.php	ab1334c0cf the whole shebang	10 anni fa
ImmutableEventDispatcher.php	ab1334c0cf the whole shebang	10 anni fa
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phpunit.xml.dist	ab1334c0cf the whole shebang	10 anni fa

EventDispatcher Component

EventDispatcher implements a lightweight version of the Observer design pattern.

use Symfony\Component\EventDispatcher\EventDispatcher;
use Symfony\Component\EventDispatcher\Event;

$dispatcher = new EventDispatcher();

$dispatcher->addListener('event_name', function (Event $event) {
    // ...
});

$dispatcher->dispatch('event_name');

Resources

You can run the unit tests with the following command:

$ cd path/to/Symfony/Component/EventDispatcher/
$ composer.phar install --dev
$ phpunit

README.md

EventDispatcher Component

Resources