Very simple Facebook graph executor

Facebook.php

<?php
namespace Ai;

class Facebook
{
    private $token;
    
    public function __construct($token)
    {
        $this->token = $token;
    }

    /**
     * Call facebook graph for info
     *
     * @example
     * 
     * $fb = new \Ai\Facebook($access_token);
     * $details = $fb->me();
     * $details = $fb->me_friends();
     * $details = $fb->me_notes();
     *
     * @see http://developers.facebook.com/docs/reference/api/
     * @return stdClass
     */
    public function __call($name, $arguments)
    {
        $url = str_replace('_', '/',  $name);
        $graph_url = sprintf('https://graph.facebook.com/%s?access_token=%s', $url, $this->token);
        $r = @file_get_contents($graph_url);
        $response = json_decode($r);
        if(!is_object($response)) {
            throw new \Exception('Wrong response from Facebook: '.$r. ' URL: '.$url);
        }
        return $response;
    }
}