Files
kiri-core/System/Events/EventProvider.php
T
2021-08-03 18:18:09 +08:00

46 lines
792 B
PHP

<?php
namespace Snowflake\Events;
/**
*
*/
class EventProvider implements EventProviders
{
/** @var Struct[] */
private array $_listeners = [];
/**
* @param object $event
* @return iterable
*/
public function getListenersForEvent(object $event): iterable
{
$queue = new \SplPriorityQueue();
// TODO: Implement getListenersForEvent() method.
foreach ($this->_listeners as $listener) {
if (!($event instanceof $listener->event)) {
continue;
}
$queue->insert($listener, $listener->priority);
}
return $queue;
}
/**
* @param string $event
* @param callable $handler
* @param int $zOrder
*/
public function on(string $event, callable $handler, int $zOrder = 1)
{
$this->_listeners[$event][] = new Struct($event, $handler, $zOrder);
}
}