Php/func misc connection status
来自菜鸟教程
PHP connection_status()函数
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。
可以返回的可能值为:
- 0-CONNECTION_NORMAL-连接正常运行
- 1-CONNECTION_ABORTED-连接因用户或网络错误而中止
- 2-CONNECTION_TIMEOUT-连接超时
- 3-CONNECTION_ABORTED和CONNECTION_TIMEOUT
句法
connection_status()
技术细节
| 返回值: | 返回连接状态位字段 |
| PHP版本: | 4+ |