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Date: Thu, 14 Aug 2003 12:35:22 -0700
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To: ilia@prohost.org
Cc: Timm Friebe <thekid@thekid.de>, internals@lists.php.net
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Subject: Re: [PHP-DEV] Re: variable_exists() patch
From: waboring@3gstech.com (walt boring)

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Ilia Alshanetsky wrote:

>On August 14, 2003 03:11 pm, walt boring wrote:
>  
>
>>exactly why isset() is either
>>1) a bad name for the function or
>>2) 'broken'
>>    
>>
>
>Wrong. isset() has a very proper name "is-set", which to me and other people 
>says that it will see if a variable is set (has a value). It does this job 
>admirably and it certainly not broken. Documentation specifies how this 
>function will perform perfectly.
>
>Ilia
>
>  
>
Then please explain the logic of why
$var = null

isset($var) returns false.

In your words "it will see if a variable is set (has a value)".

$var IS set and DOES have a value, it just happens to be a value of null.

W

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