gistfile1.txt

	public function ensureFbUser($fbAccessToken) {
		try {
		    $fbUser = (new \Facebook\FacebookRequest(
		      $session, 'GET', '/me?access_token=' . $fbAccessToken
		    ))->execute()->getGraphObject(\Facebook\GraphUser::className())->asArray();

		    $user = $this->findByFbId($fbUser['id']);
		    if(empty($user)) {
		    	$this->create();
		    	$user = $this->save(array(
		    		'fb_id' => $fbUser['id'],
		    		'firstname' => $fbUser['first_name'],
		    		'lastname' => $fbUser['last_name'],
		    		'email' => isset($fbUser['email']) ? $fbUser['email'] : null,
		    		'fb_town' => isset($fbUser['town']) ? $fbUser['town'] : null,
	    		));
		    } else {
		    	$user = $this->save(array(
		    		'id' => $user[$this->alias]['id'],
		    		'fb_id' => $fbUser['id'],
		    		'firstname' => $fbUser['first_name'],
		    		'lastname' => $fbUser['last_name'],
		    		'email' => isset($fbUser['email']) ? $fbUser['email'] : null,
		    		'fb_town' => isset($fbUser['location']->name) ? $fbUser['location']->name : null,
	    		));
		    }

		    return $user;

		} catch(Exception $e) {
			return false;
	    }   
	}

	public function findFriendsFromFb($fbAccessToken) {
		try {
		    $fbUsers = (new \Facebook\FacebookRequest(
		      $session, 'GET', '/me/friends?limit=1000&access_token=' . $fbAccessToken
		    ))->execute()->getGraphObject(\Facebook\GraphUser::className())->asArray();

		    $items = [];
		    foreach ($fbUsers['data'] as $key => $value) {
		    	$item = $this->findByFbIdFriend($value->id);

		    	if(!empty($item)) {
		    		$items[] = $item;
		    	}
	    	}
	    		
	    	return $items;

		} catch(Exception $e) {
			return false;
	    } 
	}