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()
实例
<?php
switch(connection_status())
{
caseCONNECTION_NORMAL:
$txt='Connection is in a normal state';
break;
caseCONNECTION_ABORTED:
$txt='Connection aborted';
break;
caseCONNECTION_TIMEOUT:
$txt='Connection timed out';
break;
case(CONNECTION_ABORTED&CONNECTION_TIMEOUT):
$txt='Connection aborted and timed out';
break;
default:
$txt='Unknown';
break;
}
echo$txt;
?>
