Re: [PHP-DEV] Re: [PHP-QA] Re: [PHP-DEV] Re: [PHP-QA] Re: [PHP-DEV] Re: [PHP-QA] Re: [PHP-DEV] Release process

[Zeev Suraski]

At 17:30 4/5/2001, Joe Brown wrote:
>Question:
>Is is_null() an alias for isset()?
>
>Based on this statement and my understanding of both funcitons, it should
>be.

No it's not, it's a function.  As such, it cannot detect whether a variable 
exists and has a null value, or is undefined completely.

Zeev


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