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PHP Functions
Function: sybase_set_message_handler (PHP 4 >= 4.3.0, PHP 5) sybase_set_message_handler -- Sets the handler called when a server message is raisedDescriptionbool 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. Note: This function is only available using the CT library interface to Sybase, and not the DB library. 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. Returns TRUE on success or FALSE on failure. Note: The connection parameter was added in PHP 4.3.5.
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'); ?> |