public function getNetWorkSpeed() { $time_start = ACloudSysCoreCommon::getMicrotime(); require_once Wind::getRealPath("ACLOUD:system.core.ACloudSysCoreHttp"); $result = ACloudSysCoreHttp::sendPost($this->buildPostParams('env.ping', array('speed' => $time_start))); $time_end = is_object($result) && $result->code == 100 ? ACloudSysCoreCommon::getMicrotime() : $time_start - 1; return number_format($time_end - $time_start, 4); }