# heartbeat_idle_time
与heartbeat_check_interval配合使用。表示连接最大允许空闲的时间。如
~~~
array(
'heartbeat_idle_time' => 600,
'heartbeat_check_interval' => 60,
);
~~~
表示每60秒遍历一次，一个连接如果600秒内未向服务器发送任何数据，此连接将被强制关闭。
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