Method responsible for removing observers from event manager
@param  ObserverInterface $observer
194572
public function detach(ObserverInterface $observer)
    {
        $observers = $this->getObservers();

        foreach ($observer->getEvents() as $event) {
            $count = count($observers[$event]);

            for ($i = 0; $i < $count; $i++) {
                if ($observers[$event][$i] == $observer) {
                    unset($observers[$event][$i]);
                }
            }
        }

        $this->setObservers($observers);
    }
776884
public static function createObserver(
        ContainerInterface $container
    ): ObserverInterface {
        /**
         * @var Observer
         */
        $observer = new Observer($container->get(ObservedFactoryInterface::class));
        $observer->addEventDispatcher($container->get(EventDispatcherBridgeInterface::class));
        $observer->setTokenizer($container->get(TokenizerInterface::class));

        return $observer;
    }
1339543
public function detach(ObserverInterface $observer): SubjectInterface
    {
        if (is_int(($key = array_search($observer, $this->observer, true)))) {
            unset($this->observer[$key]);
        }
        return $this;
    }
160096
public function removeSubscriber(EventSubscriberInterface $subscriber)
    {
        unset($this->subscribers[array_search($subscriber, $this->subscribers, true)]);
        $this->subscribers = empty($this->subscribers) ? [] : array_values($this->subscribers);

        return $this;
    }
1146166
public function detachObserver(ObserverInterface $observer){
		$this->connection->detachObserver($observer);
		$this->observers->detach($observer);
		$e = new NeevoException;
		$e->detachObserver($observer);
	}
750548
def discard_observer(self, observer):
        
        discarded = False
        key = self.make_key(observer)
        if key in self.observers:
            del self.observers[key]
            discarded = True
        return discarded
778507
def deleteObserver(self, observer):
        """"""
        Observable.deleteObserver(self, observer)
        # If self.startOnDemand is True, the reader monitoring
        # thread is stopped when there are no more observers.
        if self.startOnDemand:
            if 0 == self.countObservers():
                self.rmthread.stop()
                del self.rmthread
                self.rmthread = None
1065517
boolean removeObserver(ApptentiveNotificationObserver observer) {
		int index = indexOf(observer);
		if (index != -1) {
			observers.remove(index);
			return true;
		}
		return false;
	}
114819
public function execute(Observer $observer) {
        $data           = $this->readDataArgument($observer);
        $additionalData = $data->getData(PaymentInterface::KEY_ADDITIONAL_DATA);

        if (!is_array($additionalData)) {
            return;
        }

        $paymentInfo = $this->readPaymentModelArgument($observer);

        foreach (self::$additionalInformationList as $additionalInformationKey) {
            if( array_key_exists($additionalInformationKey, $additionalData) ) {
                $paymentInfo->setAdditionalInformation($additionalInformationKey, $additionalData[$additionalInformationKey]);
            }
        }
    }
1282536
public function unregisterObserver($observer) {
        if (!is_string($observer)) {
            $observer = $observer->getName();
        }
        unset($this->_observers[$observer]);
        return $this;
    }
1244046
@Override
    public void removeSynchronizationObserver(Observer<Registry<KEY, ENTRY>, Long> observer) {
        synchronisationObservable.removeObserver(observer);
    }
1219903
public function removeEntityChangedListener(EntityChangedListenerInterface $listener)
    {
        if ($this->listeners->hasItem($listener)) {
            $this->listeners->removeItem($listener);
        }
    }
293508
function detach($observer)
    {
        if (!is_a($observer, 'Log_observer') ||
            !isset($this->_listeners[$observer->_id])) {
            return false;
        }

        unset($this->_listeners[$observer->_id]);

        return true;
    }
458642
public function AttachObserver($observer)
	{
		parent::AttachObserver($observer);
		foreach ($this->DataAdapters as $adapter) {
			$adapter->AttachObserver($observer);
		}
	}
648142
public function detach(\SplObserver $observer)
    {
        if ($this->_observers == null)
        {
            return;
        }
        $this->_observers->detach($observer);
    }
838423
public void removeStaleCacheObserver (String cache, StaleCacheObserver observer)
    {
        ObserverList<StaleCacheObserver> list = _cacheobs.get(cache);
        if (list == null) {
            return;
        }
        list.remove(observer);
        if (list.isEmpty()) {
            _cacheobs.remove(cache);
        }
    }
213309
@Override
    public void removeConfigObserver(final Observer<ConfigurableRemote<String, M, CONFIG>, CONFIG> observer) {
        configObservable.removeObserver(observer);
    }