/**
* Removes a callback for the given $event
* @param string $event
* @param callback $callback
*/
public static function unsubscribe($event = null, $callback = null)
{
if (null === $event) {
self::$events = array();
return;
}
if (!isset(self::$events[$event])) {
return;
}
if (null === $callback) {
unset(self::$events[$event]);
return;
}
$id = self::getCallbackHash($callback);
// remove all callbacks for specific event
unset(self::$events[$event][$id]);
}
/**
* @covers PubSub::add
*/
public function testGet()
{
PubSub::subscribe('my_event', 'global_pub_sub_test_callback');
// all events
$this->assertNotEmpty(PubSub::events());
// same priority, different event
$this->assertEmpty(PubSub::subscriptions('some_other_event'));
// diffent event, no priority distinction
$this->assertEmpty(PubSub::subscriptions('some_other_event'));
$callbacks = PubSub::subscriptions('my_event');
$this->assertNotEmpty($callbacks);
$this->assertEquals('global_pub_sub_test_callback', $callbacks[0]);
}
