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connection_status函数说明

来源：发布时间:2015-09-11 12:12:00 浏览： connection_status() 函数返回当前的连接状态。

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

connection_status()

<?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;

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