public static function getUser($jUserId, $provider = 'facebook')
{
if (self::$instances == null) {
self::$instances = array();
}
if (!array_key_exists($jUserId, self::$instances)) {
self::$instances[$jUserId] = array();
}
if (!array_key_exists($provider, self::$instances[$jUserId])) {
$instance = new JFBConnectModelUserMap();
$instance->getData($jUserId, $provider);
self::$instances[$jUserId][$provider] = $instance;
}
return self::$instances[$jUserId][$provider];
}