Firebird/InterBase
PHP Manual

ibase_set_event_handler

(PHP 5)

ibase_set_event_handler — Register a callback function to be called when events are posted

Descripción

resource ibase_set_event_handler ( callback $event_handler , string $event_name1 [, string $event_name2 [, string $... ]] )
resource ibase_set_event_handler ( resource $connection , callback $event_handler , string $event_name1 [, string $event_name2 [, string $... ]] )

This function registers a PHP user function as event handler for the specified events.

Lista de parámetros

event_handler

The callback is called with the event name and the link resource as arguments whenever one of the specified events is posted by the database.

The callback must return FALSE if the event handler should be canceled. Any other return value is ignored. This function accepts up to 15 event arguments.

event_name1

An event name.

event_name2

...

Valores retornados

The return value is an event resource. This resource can be used to free the event handler using ibase_free_event_handler().

Ejemplos

Example#1 ibase_set_event_handler() example

<?php

function event_handler($event_name$link)
{
    if (
$event_name == "NEW ORDER") {
        
// process new order
        
ibase_query($link"UPDATE orders SET status='handled'");
    } else if (
$event_name == "DB_SHUTDOWN") {
        
// free event handler
        
return false;
    }
}

ibase_set_event_handler($link"event_handler""NEW_ORDER""DB_SHUTDOWN");
?>

Ver también


Firebird/InterBase
PHP Manual