Re: test variable value?

[Stut <stuttle@xxxxxxxxx>]

William Stokes wrote:

> Hello
>
> What is the best way to determine if a variable has no value?
>
> if ($var== '')
>
> or
>
> if ($var== 'null')
>
>
> Can 'null' be used here?
>  
Depends what you mean by no value. I suggest you read 
http://php.net/is_null, http://php.net/empty and http://php.net/isset.

-Stut

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