Reading data from Facebook graphObject - facebook

Question

A user has accepted my Facebook app. I can now access some of their data. It is returned as a graphObject, which contains something like:
Facebook\GraphObject Object ( [backingData:protected] => Array ( [id] => 11111 [first_name] => Bob [gender] => male [last_name] => Builder [link] => https://www.facebook.com/app_scoped_user_id/11111/ [locale] => de_DE [name] => Bob Builder [timezone] => 2 [updated_time] => 2014-02-14T14:35:54+0000 [verified] => 1 ) )
Unfortunately I cannot get at the data inside this object. Reading it like an array throws an error:
$fbid = $graphObject['id']; // Cannot use object of type Facebook\GraphObject as array
$fbid = $graphObject->id; // Undefined property: Facebook\GraphObject::$id
How can I get at the ID?

Answer 1

If you have casted the response as a GraphObject by using one of the following two methods:
// Get the response typed as a GraphLocation
$loc = $response->getGraphObject(GraphLocation::className());
// or convert the base object previously accessed
// $loc = $object->cast(GraphLocation::className());
You can use the Get properties of the graph object, depending on what kind of object you've casted it as... here's an example for the GraphUser Object:
echo $user->getName();
Or, if you know the name of the property (as shown in the base data), you can use getProperty():
echo $object->getProperty('name');
So in your example, you can use the following to get the id property:
echo $user->getProperty('id');
More examples and documentation here

Answer 2

In the New version of Graph API getProperty does not work.
For the New version Graph API v2.5 of Facebook Read read data as below :
$fb = new \Facebook\Facebook([
'app_id' => 'APPIDHERE',
'app_secret' => 'SECRET HERE',
'default_graph_version' => 'v2.5',
]);
$asscee_t ="ACCESS TOKEN HERE";
$response = $fb->get('/me/friends', $asscee_t);
$get_data = $response->getDecodedBody(); // for Array resonse
//$get_data = $response->getDecodedBody(); // For Json format result only
echo $get_data['summary']['total_count']; die; // Get total number of Friends

Answer 3

Note that from API version >= 5.0.0 getProperty() has been renamed to getField(). It will be removed from >= v6. So
Instead of
$user->getProperty('name')
Use
$user->getField('name')