Push notification in PHP

Question

I get this error after trying to execute my php script to send a push notifcation to my iphone.

I have tried everything and nothing works. I believe that this means

Answer 1

What have you tried exactly?

http://www.raywenderlich.com/3443/apple-push-notification-services-tutorial-part-12 http://www.raywenderlich.com/3525/apple-push-notification-services-tutorial-part-2

This is a good tutorial on generating the certificate, making the php script etc.