update database when a user shared a link to facebook

Question

Is it possible to update database once a user shared a link in my website?

Such as,some points will be awarded to their account if they shared the link.

And

Answer 1

Yes, it is possible.

Example Link:

SHARE TO FACEBOOK

Example code to proses

if(isset($_GET['share']))
{
    if(mysql_query("insert into table X() value()"))
    {
        //open window, you can use header('location:..') or meta redirect or another way, in this sample i'm using javascript window.open;
        echo '';
    }
}

To implementing facebook "Like" button, this link maybe can help you