A: 

A quick google shows a fork of pingback.tedeh.net at http://github.com/frw/PHP-Pingback - there's a readme with detailed documentation.

adam
I need an examples, PHP-Pingback is a Fork
Zephiro
It looks like you're stuck then, unless you can be bothered to read through the code and learn it.
adam
I do not understand how to implement and I read the code, so wondering if anyone could help me
Zephiro