What are tags in Symfony?
Tags, then, are a way of telling Symfony or other third-party packages that your service should be registered or used in some special way by the package. For a list of all the tags available in the main Symfony Framework, see Dependency Injection Tags.
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What is the tag to use to register your service to be called during the cache heating process?
Dependency Injection Tags¶
tag name | Use |
---|---|
kernel.cache_clearer | Register your service to be called during the cache cleanup process |
kernel.cache_warmer | Register your service to be called during the cache heating process |
kernel.event_listener | Listen to different events/hooks in Symfony |
What is the tag to use to listen to different event hooks in Symfony?
Dependency Injection Tags¶
tag name | Use |
---|---|
kernel.event_listener | Listen to different events/hooks in Symfony |
monolog.logger | Sign in with a custom registration channel |
monolog.processor | Add a custom processor for login |
routing.loader | Register a custom service that loads routes |
What is the PHP event dispatcher?
Dispatcher: A Dispatcher is a service object to which an emitter assigns an event object. The Dispatcher is responsible for ensuring that the Event is broadcast to all relevant Listeners, but MUST defer determination of responsible listeners to a Listener Provider.
What is an event dispatcher?
A Dispatcher is a service object that implements the EventDispatcherInterface. It is responsible for retrieving Listeners from a Listener Provider for the dispatched Event and invoking each Listener with that Event. A dispatcher: SHOULD return the same event object that was passed after it finishes invoking listeners. …
What is the event dispatcher in Symfony?
The EventDispatcher component provides tools that allow your application components to communicate with each other by sending and listening to events.
How do I create a custom event in react?
You can create a simple synthetic event with a custom type using the event constructor: const event = new Event(‘build’); document.
What is Symfony’s event listener?
Symfony fires various events during the request-response flow. Event listeners and event subscribers allow you to run some code to respond to those events. Event subscribers are generally preferred because they can listen to multiple events and do not require any configuration when using automatic configuration.
What is the use of the twig?
Twig is a modern template engine for PHP. This allows Twig to be used as a template language for applications where users can modify the layout of the template. Flexible: Twig works with a flexible lexer and parser. This allows the developer to define their own custom labels and filters and create their own DSL.