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public function ImmutableEventDispatcher::addListener in Zircon Profile 8.0

Same name and namespace in other branches
  1. 8 vendor/symfony/event-dispatcher/ImmutableEventDispatcher.php \Symfony\Component\EventDispatcher\ImmutableEventDispatcher::addListener()

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)

Overrides EventDispatcherInterface::addListener

File

vendor/symfony/event-dispatcher/ImmutableEventDispatcher.php, line 49

Class

ImmutableEventDispatcher
A read-only proxy for an event dispatcher.

Namespace

Symfony\Component\EventDispatcher

Code

public function addListener($eventName, $listener, $priority = 0) {
  throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');
}