CSocServAuth::checkOldUser

static function checkOldUser(&$socservUserFields)
{
	// check for user with old socialservices linking system (socservice ID in user's EXTERNAL_AUTH_ID)
	$dbUsersOld = CUser::GetList('ID', 'ASC', array('XML_ID' => $socservUserFields['XML_ID'], 'EXTERNAL_AUTH_ID' => $socservUserFields['EXTERNAL_AUTH_ID'], 'ACTIVE' => 'Y'), array('NAV_PARAMS' => array("nTopCount" => "1")));
	$socservUser = $dbUsersOld->Fetch();
	if($socservUser)
	{
		return $socservUser["ID"];
	}

	return false;
}