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- <?php namespace Laravel;
- class Event {
- /**
- * All of the registered events.
- *
- * @var array
- */
- public static $events = array();
- /**
- * Determine if an event has any registered listeners.
- *
- * @param string $event
- * @return bool
- */
- public static function listeners($event)
- {
- return isset(static::$events[$event]);
- }
- /**
- * Register a callback for a given event.
- *
- * <code>
- * // Register a callback for the "start" event
- * Event::listen('start', function() {return 'Started!';});
- *
- * // Register an object instance callback for the given event
- * Event::listen('event', array($object, 'method'));
- * </code>
- *
- * @param string $event
- * @param mixed $callback
- * @return void
- */
- public static function listen($event, $callback)
- {
- static::$events[$event][] = $callback;
- }
- /**
- * Fire an event so that all listeners are called.
- *
- * <code>
- * // Fire the "start" event
- * $responses = Event::fire('start');
- *
- * // Fire the "start" event passing an array of parameters
- * $responses = Event::fire('start', array('Laravel', 'Framework'));
- * </code>
- *
- * @param string $event
- * @param array $parameters
- * @return array
- */
- public static function fire($event, $parameters = array())
- {
- $responses = array();
- if (static::listeners($event))
- {
- foreach (static::$events[$event] as $callback)
- {
- $responses[] = call_user_func_array($callback, $parameters);
- }
- }
- return $responses;
- }
- }
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