trigger() публичный Метод

Triggers an event in the attached observers
public trigger ( string $event, array $args = [] ) : array
$event string The event to attach
$args array Arguments to the event handler
Результат array
Документация по классу Dispatcher
Пример #1
0
 /**
  * @covers FOF30\Event\Dispatcher::trigger
  */
 public function testTrigger()
 {
     ReflectionHelper::setValue($this->object, 'observers', array());
     ReflectionHelper::setValue($this->object, 'events', array());
     $observer1 = new FirstObserver($this->object);
     $observer2 = new SecondObserver($this->object);
     // Trigger a non-existent event
     $result = $this->object->trigger('notthere');
     $this->assertEquals(array(), $result);
     // Trigger a non-existent event with data
     $result = $this->object->trigger('notthere', array('whatever', 'nevermind'));
     $this->assertEquals(array(), $result);
     // Trigger an event with one observer responding to it
     $result = $this->object->trigger('onlySecond');
     $this->assertEquals(array('only second'), $result);
     // Trigger an event with two observers responding to it
     $result = $this->object->trigger('identifyYourself');
     $this->assertEquals(array('one', 'two'), $result);
     // Trigger an event with two observers responding to it, with parameters
     $result = $this->object->trigger('returnConditional', array('one'));
     $this->assertEquals(array(true, false), $result);
     // Trigger an event with two observers responding to it, with parameters
     $result = $this->object->trigger('returnConditional', array('two'));
     $this->assertEquals(array(false, true), $result);
 }