实例
返回连接状态：
<?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;
?>
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
技术细节
|
返回值：
|
返回连接状态位字段。
|
|
PHP 版本：
|
4+
|
