/**
* Retrieves the list of all authorised permissions for the current user
* with the most updated version from the server
* @return array List of approved permissions, or empty array if none are approved
*/
public function updateGrantedFacebookPermissions()
{
// Check user is logged in
$user = FacebookAPI::get()->getUser();
if (empty($user)) {
return array();
}
// Check permissions are retrieveable
$permissions = FacebookAPI::get()->api("/{$user}/permissions");
if (empty($permissions['data'])) {
return array();
}
// $permissions should look something like the below
// $permissions = array('data' => array(array('installed' => 1, 'email' => 1)), 'paging' => array())
// Merge each array element in data
$permissionItems = call_user_func_array('array_merge', $permissions['data']);
return array_keys($permissionItems);
}
