```php
function uuid()
{
$chars = md5(uniqid(mt_rand(), true));
$uuid = substr ( $chars, 0, 8 ) . '-'
. substr ( $chars, 8, 4 ) . '-'
. substr ( $chars, 12, 4 ) . '-'
. substr ( $chars, 16, 4 ) . '-'
. substr ( $chars, 20, 12 );
return $uuid ;
}
```
```php
$worker->onWorkerStart = function($worker){
$con = new AsyncTcpConnection('ws://vop.baidu.com/realtime_asr'.'?sn='.uuid());
```
大家看可以连接这个地址试一下。 我怎么实验都不行。 baidu接口
