/**
* Returns an array containing four roles (administrators, developers, testers
* and insights users), each role being a list of user IDs having that role.
*/
public function getRoles()
{
if (empty(self::$roles)) {
global $facebook;
// Calls to an app's properties must be made with an app access token
// https://developers.facebook.com/docs/reference/api/application/#application_access_tokens
// The app access token looks like: (APP_ID . '|' . APP_SECRET)
$user_access_token = $facebook->getAccessToken();
// Back that AcceSS up
$facebook->setAccessToken($this->id . '|' . $this->secret);
self::$roles = array('administrators' => array(), 'developers' => array(), 'testers' => array(), 'insights users' => array());
try {
$result = $facebook->api("/{$this->id}/roles");
if (isset($result['data'])) {
foreach ($result['data'] as $user) {
self::$roles[$user['role']][] = $user['user'];
}
}
} catch (FacebookApiException $e) {
error_log($e->getMessage());
}
// Restore the user access_token
$facebook->setAccessToken($user_access_token);
}
return self::$roles;
}
