/** * subscribe * @param $postObj * @return string */ function subscribe($postObj) { $fromUserName = $postObj->FromUserName; $openID = $fromUserName; $db = new Db(); $log = new Logs(); if (!$db->insert(TB_USER, array('', $openID))) { $log->write_log($db->error, $db->level); } $contentStr = "Welcome to blublu"; return responseText($postObj, $contentStr); }