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How to use php connection_status function

藏色散人
藏色散人Original
2019-05-26 13:15:253309browse

php The connection_status function is used to return the current connection status. Its syntax is connection_status(), and the return value is the connection status bit field.

How to use php connection_status function

#How to use the php connection_status function?

Definition and usage

The connection_status() function returns the current connection status.

Possible values ​​that can be returned:

0 - CONNECTION_NORMAL - The connection was operating normally

1 - CONNECTION_ABORTED - The connection was terminated by user or network error

2 - CONNECTION_TIMEOUT - Connection timeout

3 - CONNECTION_ABORTED & CONNECTION_TIMEOUT

Syntax

connection_status()

Return value: Returns the connection status bit field.

PHP Version: 4

Instance

Return connection status:

<?php
switch (connection_status())
{
case CONNECTION_NORMAL:
$txt = &#39;Connection is in a normal state&#39;;
break;
case CONNECTION_ABORTED:
$txt = &#39;Connection aborted&#39;;
break;
case CONNECTION_TIMEOUT:
$txt = &#39;Connection timed out&#39;;
break;
case (CONNECTION_ABORTED & CONNECTION_TIMEOUT):
$txt = &#39;Connection aborted and timed out&#39;;
break;
default:
$txt = &#39;Unknown&#39;;
break;
}
echo $txt;
?>

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