I would like to know how is it possible to retrieve a string from an external page.
For example: In a PHP website, the user sends a facebook id, ex: 1157251270
you get it by:
$link = json_decode(file_get_contents('http://graph.facebook.com/1157251270')); echo $link->name;
Nice tut: http://webhole.net/2009/08/31/how-to-read-json-data-with-php/