PHP Class Symfony\Component\EventDispatcher\EventDispatcher

Listeners are registered on the manager and events are dispatched through the manager.

Author: Guilherme Blanco ([email protected])

Author: Jonathan Wage ([email protected])

Author: Roman Borschel ([email protected])

Author: Bernhard Schussek ([email protected])

Author: Fabien Potencier ([email protected])

Author: Jordi Boggiano ([email protected])

Author: Jordan Alliot ([email protected])

Inheritance: implements Symfony\Component\EventDispatcher\EventDispatcherInterface

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Public Methods

Method	Description
addListener ( $eventName, $listener, $priority )
addSubscriber ( Symfony\Component\EventDispatcher\EventSubscriberInterface $subscriber )
connect ( string $name, mixed $listener, integer $priority )	Connects a listener to a given event name.
disconnect ( string $name )	Disconnects all listeners for the given event name.
dispatch ( $eventName, Symfony\Component\EventDispatcher\Event $event = null )
filter ( Symfony\Component\EventDispatcher\Event $event, mixed $value ) : Symfony\Component\EventDispatcher\Event	Filters a value by calling all listeners of a given event.
getListeners ( $eventName = null )
getListeners ( string $name ) : array	Returns all listeners associated with a given event name.
hasListeners ( $eventName = null )
hasListeners ( string $name ) : boolean	Returns true if the given event name has some listeners.
notify ( Symfony\Component\EventDispatcher\Event $event ) : Symfony\Component\EventDispatcher\Event	Notifies all listeners of a given event.
notifyUntil ( Symfony\Component\EventDispatcher\Event $event ) : Symfony\Component\EventDispatcher\Event	Notifies all listeners of a given event until one returns a non null value.
removeListener ( $eventName, $listener )
removeSubscriber ( Symfony\Component\EventDispatcher\EventSubscriberInterface $subscriber )

Protected Methods

Method	Description
doDispatch ( array[callback] $listeners, string $eventName, Symfony\Component\EventDispatcher\Event $event )	Triggers the listeners of an event.

Private Methods

Method	Description
sortListeners ( string $eventName )	Sorts the internal list of listeners for the given event by priority.

Method Details

addListener() public method

See also: EventDispatcherInterface::addListener

public addListener ( $eventName, $listener, $priority )

addSubscriber() public method

See also: EventDispatcherInterface::addSubscriber

public addSubscriber ( Symfony\Component\EventDispatcher\EventSubscriberInterface $subscriber )
$subscriber	Symfony\Component\EventDispatcher\EventSubscriberInterface

connect() public method

Connects a listener to a given event name.

public connect ( string $name, mixed $listener, integer $priority )
$name	string	An event name
$listener	mixed	A PHP callable
$priority	integer	The priority (between -10 and 10 -- defaults to 0)

disconnect() public method

Disconnects all listeners for the given event name.

public disconnect ( string $name )
$name	string	An event name

dispatch() public method

See also: EventDispatcherInterface::dispatch

public dispatch ( $eventName, Symfony\Component\EventDispatcher\Event $event = null )
$event	Symfony\Component\EventDispatcher\Event

doDispatch() protected method

This method can be overridden to add functionality that is executed for each listener.

protected doDispatch ( array[callback] $listeners, string $eventName, Symfony\Component\EventDispatcher\Event $event )
$listeners	array[callback]
$eventName	string	The name of the event to dispatch.
$event	Symfony\Component\EventDispatcher\Event	The event object to pass to the event handlers/listeners.

filter() public method

Filters a value by calling all listeners of a given event.

public filter ( Symfony\Component\EventDispatcher\Event $event, mixed $value ) : Symfony\Component\EventDispatcher\Event
$event	Symfony\Component\EventDispatcher\Event	An Event instance
$value	mixed	The value to be filtered
return	Symfony\Component\EventDispatcher\Event	The Event instance

getListeners() public method

See also: EventDispatcherInterface::getListeners

public getListeners ( $eventName = null )

getListeners() public method

Returns all listeners associated with a given event name.

public getListeners ( string $name ) : array
$name	string	The event name
return	array	An array of listeners

hasListeners() public method

See also: EventDispatcherInterface::hasListeners

public hasListeners ( $eventName = null )

hasListeners() public method

Returns true if the given event name has some listeners.

public hasListeners ( string $name ) : boolean
$name	string	The event name
return	boolean	true if some listeners are connected, false otherwise

notify() public method

Notifies all listeners of a given event.

public notify ( Symfony\Component\EventDispatcher\Event $event ) : Symfony\Component\EventDispatcher\Event
$event	Symfony\Component\EventDispatcher\Event	An Event instance
return	Symfony\Component\EventDispatcher\Event	The Event instance

notifyUntil() public method

Notifies all listeners of a given event until one returns a non null value.

public notifyUntil ( Symfony\Component\EventDispatcher\Event $event ) : Symfony\Component\EventDispatcher\Event
$event	Symfony\Component\EventDispatcher\Event	An Event instance
return	Symfony\Component\EventDispatcher\Event	The Event instance

removeListener() public method

See also: EventDispatcherInterface::removeListener

public removeListener ( $eventName, $listener )

removeSubscriber() public method

See also: EventDispatcherInterface::removeSubscriber

public removeSubscriber ( Symfony\Component\EventDispatcher\EventSubscriberInterface $subscriber )
$subscriber	Symfony\Component\EventDispatcher\EventSubscriberInterface