/** * Return a list of callbacks/event handlers for the given event * * @param string $eventName * @return EmailOneApi_Params */ public function getEventHandlers($eventName) { if (!self::$_eventHandlers instanceof EmailOneApi_Params) { self::$_eventHandlers = new EmailOneApi_Params(self::$_eventHandlers); } if (!self::$_eventHandlers->contains($eventName) || !self::$_eventHandlers->itemAt($eventName) instanceof EmailOneApi_Params) { self::$_eventHandlers->add($eventName, new EmailOneApi_Params()); } return self::$_eventHandlers->itemAt($eventName); }