Function.sybase-set-message-handler

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sybase_set_message_handler — Sets the handler called when a server message is raised

Beschreibung

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.

Parameter-Liste

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

Rückgabewerte

Gibt bei Erfolg TRUE zurück, im Fehlerfall FALSE.

ChangeLog

Version Beschreibung 4.3.5 The connection parameter was added.

Beispiele

Beispiel #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');
?>

Beispiel #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'));
?>

Beispiel #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');
?>

Anmerkungen

Hinweis: Diese Funktion steht nur zur Verfügung, wenn Sie die CT Bibliothek als Schnittstelle zu Sybase verwenden.