offsetUnset(string $key) ArrayAccess for unset argument.

addListener(string $eventName, callable $listener, int $priority) Adds an event listener that listens

addListener(string $eventName, callable $listener, int $priority) Adds an event listener that listens

Event dispatch(string $eventName,

interface EventDispatcherInterface The EventDispatcherInterface is the central point of Symfony's

class ContainerAwareEventDispatcher extends

class WrappedListener Methods

array getListeners(string $eventName = null) Gets the listeners of a specific event or all listeners

removeListener(string $eventName, callable $listener) Removes an event listener from the specified

removeListener(string $eventName, callable $listener) Removes an event listener from the specified