Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:23705
Return-Path: <helly@php.net>
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Delivered-To: mailing list internals@lists.php.net
Received: (qmail 92870 invoked by uid 1010); 26 May 2006 22:15:01 -0000
Delivered-To: ezmlm-scan-internals@lists.php.net
Delivered-To: ezmlm-internals@lists.php.net
Received: (qmail 92855 invoked from network); 26 May 2006 22:15:01 -0000
Received: from unknown (HELO lists.php.net) (127.0.0.1)
  by localhost with SMTP; 26 May 2006 22:15:01 -0000
X-PHP-List-Original-Sender: helly@php.net
X-Host-Fingerprint: 81.169.182.136 ajaxatwork.net Linux 2.4/2.6
Received: from ([81.169.182.136:35896] helo=strato.aixcept.de)
	by pb1.pair.com (ecelerity 2.0 beta r(6323M)) with SMTP
	id B6/05-17316-5ED77744 for <internals@lists.php.net>; Fri, 26 May 2006 18:15:01 -0400
Received: from baumbart.mbo (dslb-084-063-047-180.pools.arcor-ip.net [84.63.47.180])
	(using TLSv1 with cipher AES256-SHA (256/256 bits))
	(No client certificate requested)
	by strato.aixcept.de (Postfix) with ESMTP id 774EC35C1EB;
	Sat, 27 May 2006 00:14:58 +0200 (CEST)
Date: Sat, 27 May 2006 00:13:09 +0200
Reply-To: Marcus Boerger <helly@php.net>
X-Priority: 3 (Normal)
Message-ID: <789922954.20060527001309@marcus-boerger.de>
To: "D. Dante Lorenso" <dante@vocalspace.com>
Cc: PHPdev <internals@lists.php.net>
In-Reply-To: <447768DF.1000203@vocalspace.com>
References: <447768DF.1000203@vocalspace.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Subject: Re: [PHP-DEV] extension can not receive unset values without E_NOTICE or reference creation
From: helly@php.net (Marcus Boerger)

Hello D.,

  you are looking for ZEND_BEGIN_ARG_INFO_EX(), the names of the macro
parameters are self speaking.

best regards
marcus

Friday, May 26, 2006, 10:45:19 PM, you wrote:

> All,

> Back on the topic of trying to write a 'filled' function in an 
> extension, I have run into trouble.  I have declared a function as follows:

> ---------- 8< -------------------- 8< ----------
> static
>         ZEND_BEGIN_ARG_INFO(all_args_prefer_ref, ZEND_SEND_PREFER_REF)
>         ZEND_END_ARG_INFO()

> zend_function_entry shorthand_functions[] = {
>         PHP_FE(filled, all_args_prefer_ref)
>         {NULL, NULL, NULL}      /* Must be the last line in 
> shorthand_functions[] */
> };

> PHP_FUNCTION(filled)
> {
>     RETURN_TRUE;
> }
> ---------- 8< -------------------- 8< ----------

> Then, in PHP I try the following test code:

> ---------- 8< -------------------- 8< ----------
> <?php
> $x = array();
> $x["dog"] = "spot";
> $x["cat"] = "moriss";
> print_r($x);

> // testing
> print filled("testing", $x["pig"], $y->testing);
> print "\n";

> print_r($x);
> print_r($y);
?>>
> ---------- 8< -------------------- 8< ----------

> Unfortunately, $x now contains a 'pig' key and the non-existent $y has 
> been transformed into an object:

> ---------- 8< -------------------- 8< ----------
> Array
> (

>     [dog] => spot
>     [cat] => moriss
> )
> 1
> Array
> (
>     [dog] => spot
>     [cat] => moriss
>     [pig] => 
> )
> stdClass Object
> (
>     [testing] => 
> )

> ---------- 8< -------------------- 8< ----------

> Is there a way to define the parameters which an extension's function 
> will accept to be optionally set?  The prefer-by-ref I am using is 
> making the var exist even when I don't want it to.

> Dante




Best regards,
 Marcus