Zend Framework 2 dispatch event doesn't run before action

Question

I need some help. I want to run a method in Zend Framework 2 before the controller's action runs. I putted my method in Module.php's onBootstrap, but it doesn't run before action initated.

In Module.php:

public function onBootstrap(MvcEvent $e) { $eventManager = $e->getApplication()->getEventManager(); $moduleRouteListener = new ModuleRouteListener(); $moduleRouteListener->attach($eventManager); $app = $e->getApplication(); $em = $app->getEventManager(); $em->attach(MvcEvent::EVENT_DISPATCH, function($e) { $controller = $e->getTarget(); $controller->Init(); }); }

I want to run the Init() method to my Adapter would be initialized before action runs but it didn't work and I always get this message:
Catchable fatal error: Argument 1 passed to Application\Model\Members::__construct() must be an instance of Zend\Db\Adapter\Adapter, null given, called in PATH\module\Application\src\Application\Controller\AdminController.php on line 39 and defined in PATH\module\Application\src\Application\Model\Members.php on line 17

The members class is in the action which should run and its __construct need to have a valid Adapter object that should be initialized in Init() method.

Could anyone help me? Thanks a lot!

Michael Radionov · Accepted Answer · 2014-01-29 12:26:15Z

Try a different approach:

I'm assuming your controller extends the Zend\Mvc\Controller\AbstractActionController. Override the parent's onDispatch method in your controller, to do what you need to do:

ex:

class YourController extends AbstractActionController { public function onDispatch($event){ $this->Init(); return parent::onDispatch($event); } //your other actions/init methods etc... }

philburnett · Accepted Answer · 2015-01-27 09:17:22Z

You need to set the priority > 1 when attaching to the event.

eg.

$em->attach(MvcEvent::EVENT_DISPATCH, function($e) { $controller = $e->getTarget(); $controller->Init(); }, 100);

This ensures the code is executed pre-dispatch.

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