sybase_set_message_handler
(PHP 4 >= 4.3.0, PHP 5)
sybase_set_message_handler — Sets the handler called when a server message is raised
说明
sybase_set_message_handler() sets a user function to handle messages generated by the server. You may specify the name of a global function, or use an array to specify an object reference and a method name.
参数
- handler
-
The handler expects five arguments in the following order: message number, severity, state, line number and description. The first four are integers. The last is a string. If the function returns FALSE, PHP generates an ordinary error message.
- connection
-
返回值
如果成功则返回 TRUE，失败则返回 FALSE。
更新日志
| 版本 | 说明 |
|---|---|
| 4.3.5 | The connection parameter was added. |
范例
Example#1 sybase_set_message_handler() callback function
<?php
function msg_handler($msgnumber, $severity, $state, $line, $text)
{
var_dump($msgnumber, $severity, $state, $line, $text);
}
sybase_set_message_handler('msg_handler');
?>
Example#2 sybase_set_message_handler() callback to a class
<?php
class Sybase {
function handler($msgnumber, $severity, $state, $line, $text)
{
var_dump($msgnumber, $severity, $state, $line, $text);
}
}
$sybase= new Sybase();
sybase_set_message_handler(array($sybase, 'handler'));
?>
Example#3 sybase_set_message_handler() unhandled messages
<?php
// Return FALSE from this function to indicate you can't handle
// this. The error is printed out as a warning, the way you're used
// to it if there is no handler installed.
function msg_handler($msgnumber, $severity, $state, $line, $text)
{
if (257 == $msgnumber) {
return false;
}
var_dump($msgnumber, $severity, $state, $line, $text);
}
sybase_set_message_handler('msg_handler');
?>
注释
Note: 本函数仅适用于 Sybase 的 CT 库接口，而不适用于 DB 库。
