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ibase_set_event_handler

ibase_set_event_handler

Register a callback function to be called when events are posted

resource **ibase_set_event_handler** callable $event_handler string $event_name string $even_names

resource **ibase_set_event_handler** resource $connection callable $event_handler string $event_name string $event_names

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

event_handlerThe 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_nameAn event name.

event_namesAt most 15 events allowed.

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

Voorbeeld: 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");
?>

ibase_free_event_handler``ibase_wait_event

Vorige ← ibase_service_detach Volgende ibase_trans →

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