Can I use some API call to invite User's Friends?

I want to invite facebook friends to my app. via some sort of API call whether rest or PHP Sdk, so is there a way to do so. I know about multifriend selector in FBML but don't want that. Please tell that which API can be used to do so? Graph API or any other? I am using PHP so if you know some PHP API call then that is also g开发者_如何学编程ood.

thanks in advance for assisting me.

You can use the Requests Dialog for invites. This will prompt the user for which friends to send a request/invite to. This is designed to work in iframe apps, no fbml required.

http://developers.facebook.com/docs/reference/dialogs/requests/