Description
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.
Nota:
Questa funzione รจ disponibile soltanto usando la libreria CT
e non la libreria DB.
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.
Restituisce TRUE in caso di successo, FALSE in caso di fallimento.
Nota:
The connection parameter was added in
PHP 4.3.5.
Esempio 1. sybase_set_message_handler() callback function
<?php function msg_handler($msgnumber, $severity, $state, $line, $text) { var_dump($msgnumber, $severity, $state, $line, $text); } sybase_set_message_handler('msg_handler'); ?>
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Esempio 2. sybase_set_message_handler() callback to a class
<?php class Sybase { function handler($msgnumber, $severity, $state, $line, $text) { var_dump($msgnumber, $severity, $state, $line, $text); } } $sybase= new Sybase(); sybase_set_message_handler(array($sybase, 'handler')); ?>
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Esempio 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'); ?>
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