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com_isenum> <com_get
Last updated: Fri, 18 Jul 2008

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com_invoke

(PHP 4)

com_invoke — Chiama un metodo di un componente COM.

Descrizione

mixed com_invoke ( resource $oggetto_com , string $nome_funzione [, mixed $ parametri, ... ] )

com_invoke() chiama un metodo del componente COM referenziato da oggetto_com . Restituisce FALSE in caso di errore, altrimenti restituisce il valore di ritorno di nome_funzione .



add a note add a note User Contributed Notes
com_invoke
tomer at parity-bit dot com
01-Feb-2005 09:21
Note that if you want to use a string to specify the method to call (e.g. a drop-down list to decide what to do to a server process) you can do this in three ways.

The first is to use this function, as in <?php com_invoke($obj, $_GET['func']); ?>
That's bad.

The second is to use eval(), as in <?php eval("\$obj->{$_GET['func']}();"); ?>
That's very very very *very* bad.

The third is to use call_user_func(), as in <?php call_user_func(array($obj, $_GET['func'])); ?>
That's very good.

Remember to validate the user input against a list of allowed methods if a non-admin is at the console.

http://php.net/manual/en/function.call-user-func.php

com_isenum> <com_get
Last updated: Fri, 18 Jul 2008
 
 
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