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Date: Fri, 12 May 2006 03:23:47 +0400
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To: "D. Dante Lorenso" <dante@vocalspace.com>
CC: PHPdev <internals@lists.php.net>
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Subject: Re: [PHP-DEV] allow extension writers to ignore E_NOTICE warnings
	about unset variables
From: antony@zend.com (Antony Dovgal)

On 12.05.2006 03:05, D. Dante Lorenso wrote:
> Antony Dovgal wrote:
>> On 12.05.2006 02:49, D. Dante Lorenso wrote:
>>>     * #define ZEND_SEND_BY_REF     1
>> This one is what you need.
> I don't think it is.  The variable did not exist before the function was 
> called and should STILL not exist afterwards.  I believe when you pass 
> by reference, the variable will exist after the call. 

Only if you created it during the call.

<?php
function foo(&$arg) {
}

foo($nonex);
var_dump(isset($nonex));
?>

bool(false)

>  This is bad since 
> future calls to 'isset' will suddenly start returning TRUE when they 
> shouldn't.

-- 
Wbr, 
Antony Dovgal