Re: [PHP] test variable value?

[Stut]

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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