unsetAttribute example

/** * Returns the controller path of the given request class. * * @return object|string|null */
    public function getControllerPath(Enlight_Controller_Request_Request $request)
    {
        $controllerName = $request->getControllerName();
        $controllerName = $this->formatControllerName($controllerName);
        $moduleName = $this->formatModuleName($this->curModule);
        $controllerId = $this->getControllerServiceId($moduleName, $controllerName);
        $request->unsetAttribute('controllerId');

        if ($event = Shopware()->Events()->notifyUntil(
            'Enlight_Controller_Dispatcher_ControllerPath_' . $moduleName . self::CLASS_NAMESPACE_SEPARATOR . $controllerName,
            ['subject' => $this, 'request' => $request])
        ) {
            return $event->getReturn();
        }

        if ($controllerId) {
            $request->setAttribute('controllerId', $controllerId);