/**
* Trigger an event.
*
* @param mixed $event The event object or name.
* @return array The event after being passed through all listeners.
*/
public function trigger($event, $args = array())
{
if (!$event instanceof Event) {
if (isset($this->events[$event])) {
$event = $this->events[$event];
} else {
$event = new Event($event);
}
}
// If a listener group was specified
// lazy load the listeners.
if ($group = $event->getGroup()) {
$this->addListeners($group);
}
// Attach any incoming aruments
foreach ((array) $args as $name => $arg) {
$event->addArgument($name, $arg);
}
// Are there any listeners for this event?
if (isset($this->listeners[$event->getName()])) {
foreach ($this->listeners[$event->getName()] as $listener) {
// Call the event listener
if ($listener instanceof Closure) {
$response = call_user_func($listener, $event);
} else {
$response = call_user_func(array($listener, $event->getName()), $event);
}
// Attach response
if (!is_null($response)) {
$event->addResponse($response);
}
// Is propagation stopped?
if ($event->isStopped()) {
break;
}
}
}
return $event->getResponse();
}
