get user id from oauth token for elgg with elgg_social_login

get_guid_from_oauth

<?php

function get_guid_from_oauth($provider, $token) {
  global $CONFIG;
  $identifier = strtolower($provider);
  foreach (array("LinkedIn", "MySpace", "AOL") as $prov) {
    $identifier = str_replace(strtolower($prov), $prov, $identifier);
  }
  $identifier = ucfirst($identifier) . "_" . $token;
  $query = "SELECT entity_guid from {$CONFIG->dbprefix}private_settings where name = 'plugin:user_setting:elgg_social_login:uid' and value = '{$identifier}'";
  $guid = get_data_row($query)->entity_guid;
  if($guid) return $guid; else throw new Exception("User with OAuth identifier {$identifier} not found");
}
  
echo get_guid_from_oauth("facebook", "713936190");

?>