Class ImmutableEventDispatcher

A read-only proxy for an event dispatcher.

Symfony\Component\EventDispatcher\ImmutableEventDispatcher implements Symfony\Component\EventDispatcher\EventDispatcherInterface

Namespace: Symfony\Component\EventDispatcher
Author: Bernhard Schussek bschussek@gmail.com
Located at ImmutableEventDispatcher.php

Methods summary
`public`	# `__construct( Symfony\Component\EventDispatcher\EventDispatcherInterface $dispatcher )` Creates an unmodifiable proxy for an event dispatcher. Creates an unmodifiable proxy for an event dispatcher. Parameters `$dispatcher` The proxied event dispatcher.
`public Symfony\Component\EventDispatcher\Event`	# `dispatch( string $eventName, Symfony\Component\EventDispatcher\Event $event = null )` Dispatches an event to all registered listeners. Dispatches an event to all registered listeners. Parameters `$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` The event to pass to the event handlers/listeners. If not supplied, an empty Event instance is created. Returns `Symfony\Component\EventDispatcher\Event` Implementation of `Symfony\Component\EventDispatcher\EventDispatcherInterface::dispatch()`
`public`	# `addListener( string $eventName, callable $listener, integer $priority = 0 )` Adds an event listener that listens on the specified events. Adds an event listener that listens on the specified events. Parameters `$eventName` The event to listen on `$listener` The listener `$priority` The higher this value, the earlier an event listener will be triggered in the chain (defaults to 0) Implementation of `Symfony\Component\EventDispatcher\EventDispatcherInterface::addListener()`
`public`	# `addSubscriber( Symfony\Component\EventDispatcher\EventSubscriberInterface $subscriber )` Adds an event subscriber. Adds an event subscriber. Parameters `$subscriber` The subscriber. Implementation of `Symfony\Component\EventDispatcher\EventDispatcherInterface::addSubscriber()`
`public`	# `removeListener( string $eventName, callable $listener )` Removes an event listener from the specified events. Removes an event listener from the specified events. Parameters `$eventName` The event to remove a listener from `$listener` The listener to remove Implementation of `Symfony\Component\EventDispatcher\EventDispatcherInterface::removeListener()`
`public`	# `removeSubscriber( Symfony\Component\EventDispatcher\EventSubscriberInterface $subscriber )` Removes an event subscriber. Removes an event subscriber. Parameters `$subscriber` The subscriber Implementation of `Symfony\Component\EventDispatcher\EventDispatcherInterface::removeSubscriber()`
`public array`	# `getListeners( string $eventName = null )` Gets the listeners of a specific event or all listeners. Gets the listeners of a specific event or all listeners. Parameters `$eventName` The name of the event Returns array The event listeners for the specified event, or all event listeners by event name Implementation of `Symfony\Component\EventDispatcher\EventDispatcherInterface::getListeners()`
`public boolean`	# `hasListeners( string $eventName = null )` Checks whether an event has any registered listeners. Checks whether an event has any registered listeners. Parameters `$eventName` The name of the event Returns boolean true if the specified event has any listeners, false otherwise Implementation of `Symfony\Component\EventDispatcher\EventDispatcherInterface::hasListeners()`

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Class ImmutableEventDispatcher

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