iPhone - Push Notifications

i would like to know how to implement push notifications. I know that i have to create dedicated certificat开发者_如何学Ce. The problem is the script. Can anyone tell me how to write a correct php script? If someone can write a working script i'll be reaaally happy! :) Thanks

You should try APNS server which is a full set of open source PHP classes to interact with the Apple Push Notification service