1. interface
  2. Symfony
  3. Component
  4. EventDispatcher
  5. Debug
  6. TraceableEventDispatcherInterface

TraceableEventDispatcherInterface

interface TraceableEventDispatcherInterface implements EventDispatcherInterface

Methods

Event
dispatch(string $eventName, Event $event = null)

Dispatches an event to all registered listeners.

from EventDispatcherInterface
addListener(string $eventName, callable $listener, int $priority)

Adds an event listener that listens on the specified events.

from EventDispatcherInterface
addSubscriber(EventSubscriberInterface $subscriber)

Adds an event subscriber.

from EventDispatcherInterface
removeListener(string $eventName, callable $listener)

Removes an event listener from the specified events.

from EventDispatcherInterface
removeSubscriber(EventSubscriberInterface $subscriber)

Removes an event subscriber.

from EventDispatcherInterface
array
getListeners(string $eventName = null)

Gets the listeners of a specific event or all listeners.

from EventDispatcherInterface
bool
hasListeners(string $eventName = null)

Checks whether an event has any registered listeners.

from EventDispatcherInterface
array
getCalledListeners()

Gets the called listeners.

array
getNotCalledListeners()

Gets the not called listeners.

Details

in EventDispatcherInterface at line line 38
Event dispatch(string $eventName, Event $event = null)

Dispatches an event to all registered listeners.

Parameters

string $eventName The name of the event to dispatch. The name of the event is the name of the method that is invoked on listeners.
Event $event The event to pass to the event handlers/listeners. If not supplied, an empty Event instance is created.

Return Value

Event

in EventDispatcherInterface at line line 50
addListener(string $eventName, callable $listener, int $priority)

Adds an event listener that listens on the specified events.

Parameters

string $eventName The event to listen on
callable $listener The listener
int $priority The higher this value, the earlier an event listener will be triggered in the chain (defaults to 0)

in EventDispatcherInterface at line line 62
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.

Parameters

EventSubscriberInterface $subscriber The subscriber.

in EventDispatcherInterface at line line 70
removeListener(string $eventName, callable $listener)

Removes an event listener from the specified events.

Parameters

string $eventName The event to remove a listener from
callable $listener The listener to remove

in EventDispatcherInterface at line line 77
removeSubscriber(EventSubscriberInterface $subscriber)

Removes an event subscriber.

Parameters

EventSubscriberInterface $subscriber The subscriber

in EventDispatcherInterface at line line 86
array getListeners(string $eventName = null)

Gets the listeners of a specific event or all listeners.

Parameters

string $eventName The name of the event

Return Value

array The event listeners for the specified event, or all event listeners by event name

in EventDispatcherInterface at line line 95
bool hasListeners(string $eventName = null)

Checks whether an event has any registered listeners.

Parameters

string $eventName The name of the event

Return Value

bool true if the specified event has any listeners, false otherwise

at line line 26
array getCalledListeners()

Gets the called listeners.

Return Value

array An array of called listeners

at line line 33
array getNotCalledListeners()

Gets the not called listeners.

Return Value

array An array of not called listeners