ContainerAwareEventDispatcher (Component\EventDispatcher)
Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher
class ContainerAwareEventDispatcher extends EventDispatcher
Lazily loads listeners and subscribers from the dependency injection container.
Methods
Event | dispatch(string $eventName, Event $event = null) Dispatches an event to all registered listeners. | from EventDispatcher |
array | getListeners(string $eventName = null) Gets the listeners of a specific event or all listeners sorted by descending priority. | |
int|null | getListenerPriority(string $eventName, callable $listener) Gets the listener priority for a specific event. | |
bool | hasListeners(string $eventName = null) Checks whether an event has any registered listeners. | |
addListener(string $eventName, callable $listener, int $priority) Adds an event listener that listens on the specified events. | from EventDispatcher | |
removeListener(string $eventName, callable $listener) Removes an event listener from the specified events. | ||
addSubscriber(EventSubscriberInterface $subscriber) Adds an event subscriber. | from EventDispatcher | |
removeSubscriber(EventSubscriberInterface $subscriber) Removes an event subscriber. | from EventDispatcher | |
__construct(ContainerInterface $container) Constructor. | ||
addListenerService(string $eventName, array $callback, int $priority) Adds a service as event listener. | ||
addSubscriberService(string $serviceId, string $class) Adds a service as event subscriber. | ||
getContainer() |
Details
public Event dispatch(string $eventName, Event $event = null)
Dispatches an event to all registered listeners.
public array getListeners(string $eventName = null)
Gets the listeners of a specific event or all listeners sorted by descending priority.
public int|null getListenerPriority(string $eventName, callable $listener)
Gets the listener priority for a specific event.
Returns null if the event or the listener does not exist.
public bool hasListeners(string $eventName = null)
Checks whether an event has any registered listeners.
public addListener(string $eventName, callable $listener, int $priority)
Adds an event listener that listens on the specified events.
public removeListener(string $eventName, callable $listener)
Removes an event listener from the specified events.
public addSubscriber(EventSubscriberInterface $subscriber)
Adds an event subscriber.
The subscriber is asked for all the events he is interested in and added as a listener for these events.
public removeSubscriber(EventSubscriberInterface $subscriber)
Removes an event subscriber.
public __construct(ContainerInterface $container)
Constructor.
public addListenerService(string $eventName, array $callback, int $priority)
Adds a service as event listener.
public addSubscriberService(string $serviceId, string $class)
Adds a service as event subscriber.
public getContainer()
© 2004–2016 Fabien Potencier
Licensed under the MIT License.
http://api.symfony.com/3.0/Symfony/Component/EventDispatcher/ContainerAwareEventDispatcher.html