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

<?phpswitch (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;?>