class TraceableEventDispatcher implements TraceableEventDispatcherInterface

Collects some data about event listeners.

This event dispatcher delegates the dispatching to another one.

Methods

__construct(EventDispatcherInterface $dispatcher, Stopwatch $stopwatch, LoggerInterface $logger = null)

No description

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

Adds an event listener that listens on the specified events.

addSubscriber(EventSubscriberInterface $subscriber)

Adds an event subscriber.

removeListener(string $eventName, callable $listener)

Removes an event listener from the specified events.

removeSubscriber(EventSubscriberInterface $subscriber)

No description

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.

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

Dispatches an event to all registered listeners.

array
getCalledListeners()

Gets the called listeners.

array
getNotCalledListeners()

Gets the not called listeners.

reset()

Resets the trace.

mixed
__call(string $method, array $arguments)

Proxies all method calls to the original event dispatcher.

Details

at line line 36
__construct(EventDispatcherInterface $dispatcher, Stopwatch $stopwatch, LoggerInterface $logger = null)

Parameters

EventDispatcherInterface $dispatcher
Stopwatch $stopwatch
LoggerInterface $logger

at line line 48
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)

at line line 56
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

at line line 64
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

at line line 82
removeSubscriber(EventSubscriberInterface $subscriber)

Parameters

EventSubscriberInterface $subscriber

at line line 90
array getListeners(string $eventName = null)

Gets the listeners of a specific event or all listeners sorted by descending priority.

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

at line line 98
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.

Parameters

string $eventName The name of the event
callable $listener The listener

Return Value

int|null The event listener priority

at line line 116
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 124
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

at line line 154
array getCalledListeners()

Gets the called listeners.

Return Value

array An array of called listeners

at line line 169
array getNotCalledListeners()

Gets the not called listeners.

Return Value

array An array of not called listeners

at line line 210
reset()

Resets the trace.

at line line 223
mixed __call(string $method, array $arguments)

Proxies all method calls to the original event dispatcher.

Parameters

string $method The method name
array $arguments The method arguments

Return Value

mixed