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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

bool sybase_set_message_handler ( callback $handler [, resource $connection ] )

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。


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