PHP connection_status() 函数
定义和用法
connection_status() 函数返回当前的连接状态。
可返回的可能值：
0 - CONNECTION_NORMAL - 连接运行正常
1 - CONNECTION_ABORTED - 连接由用户或网络错误终止
2 - CONNECTION_TIMEOUT - 连接超时
3 - CONNECTION_ABORTED & CONNECTION_TIMEOUT
语法
connection_status()
例子
<?php
switch (connection_status())
{
case CONNECTION_NORMAL:
$txt = Connection is in a normal state;
break;
case CONNECTION_ABORTED:
$txt = Connection aborted;
break;
case CONNECTION_TIMEOUT:
$txt = Connection timed out;
break;
case (CONNECTION_ABORTED & CONNECTION_TIMEOUT):
$txt = Connection aborted and timed out;
break;
default:
$txt = Unknown;
break;
}
echo $txt;
?>