Jordan,

http://www.php.net/manual/en/function.isset.php

When you do: if ($var) 
you are saying if $var is boolean true
which is not what you say you want: 
> Hi,
> If I want to test if a variable exists (or has been passed) then I just do:
> 

Mohamed~

Jordan Elver wrote:
> 
> Hi,
> If I want to test if a variable exists (or has been passed) then I just do:
> 
> if($var) {
>         // variable is here
> }
> 
> But I've noticed that a lot of people do:
> 
> if(isset($var)) {
>         // variable is here
> }
> 
> What's the difference and which is the best way?
> 
> TIA,
> 
> Jord
> 
> --
> Jordan Elver
> while (!asleep()) sheep++;
> 
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