Re: [PHP] test variable value?

[Jochem Maas]

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?

yeah buts its a string which doesn't do what you want.



if (empty($var)) { echo 'yes'; }

or:

if (is_null($var)) { echo 'yes'; }

Thanks
-Willa

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