Event::existEventHandlersById

static function existEventHandlersById(string $id): bool
{
	if (!isset(self::$catalogHandlerExist[$id]))
	{
		$eventManager = MainEventManager::getInstance();
		$eventsList = $eventManager->findEventHandlers(
			'catalog', $id
		);
		self::$catalogHandlerExist[$id] = !empty($eventsList);
		unset($eventsList, $eventManager);
	}
	return self::$catalogHandlerExist[$id];
}